API accessor
* Make config an instance object * Add functional interfaces * http options * Remove dead code * Clean up/format
This commit is contained in:
elcallio
Calle Wilund
parent
f4f3c44dc1
commit
1709ff2d02
@ -14,6 +14,8 @@ import java.util.List;
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import java.util.Map;
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import java.util.Map.Entry;
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import java.util.Set;
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import java.util.function.BiFunction;
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import java.util.logging.Logger;
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import javax.json.Json;
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import javax.json.JsonArray;
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@ -35,13 +37,12 @@ import javax.ws.rs.core.Response;
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import org.glassfish.jersey.client.ClientConfig;
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import com.scylladb.jmx.utils.EstimatedHistogram;
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import com.scylladb.jmx.utils.SnapshotDetailsTabularData;
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import com.yammer.metrics.core.HistogramValues;
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public class APIClient {
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Map<String, CacheEntry> cache = new HashMap<String, CacheEntry>();
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String getCacheKey(String key, MultivaluedMap<String, String> param, long duration) {
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private Map<String, CacheEntry> cache = new HashMap<String, CacheEntry>();
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private String getCacheKey(String key, MultivaluedMap<String, String> param, long duration) {
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if (duration <= 0) {
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return null;
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}
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@ -56,43 +57,40 @@ public class APIClient {
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return key;
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}
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String getStringFromCache(String key, long duration) {
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private String getStringFromCache(String key, long duration) {
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if (key == null) {
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return null;
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}
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CacheEntry value = cache.get(key);
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return (value!= null && value.valid(duration))? value.stringValue() : null;
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return (value != null && value.valid(duration)) ? value.stringValue() : null;
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}
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JsonObject getJsonObjectFromCache(String key, long duration) {
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private JsonObject getJsonObjectFromCache(String key, long duration) {
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if (key == null) {
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return null;
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}
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CacheEntry value = cache.get(key);
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return (value!= null && value.valid(duration))? value.jsonObject() : null;
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return (value != null && value.valid(duration)) ? value.jsonObject() : null;
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}
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EstimatedHistogram getEstimatedHistogramFromCache(String key, long duration) {
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if (key == null) {
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return null;
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}
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CacheEntry value = cache.get(key);
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return (value!= null && value.valid(duration))? value.getEstimatedHistogram() : null;
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private JsonReaderFactory factory = Json.createReaderFactory(null);
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private static final Logger logger = Logger.getLogger(APIClient.class.getName());
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private final APIConfig config;
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public APIClient(APIConfig config) {
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this.config = config;
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}
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JsonReaderFactory factory = Json.createReaderFactory(null);
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private static final java.util.logging.Logger logger = java.util.logging.Logger
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.getLogger(APIClient.class.getName());
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public static String getBaseUrl() {
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return APIConfig.getBaseUrl();
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private String getBaseUrl() {
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return config.getBaseUrl();
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}
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public Invocation.Builder get(String path, MultivaluedMap<String, String> queryParams) {
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Client client = ClientBuilder.newClient( new ClientConfig());
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Client client = ClientBuilder.newClient(new ClientConfig());
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WebTarget webTarget = client.target(getBaseUrl()).path(path);
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if (queryParams != null) {
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for (Entry<String, List<String>> qp : queryParams.entrySet()) {
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for (Entry<String, List<String>> qp : queryParams.entrySet()) {
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for (String e : qp.getValue()) {
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webTarget = webTarget.queryParam(qp.getKey(), e);
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}
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@ -112,8 +110,9 @@ public class APIClient {
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public Response post(String path, MultivaluedMap<String, String> queryParams, Object object, String type) {
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try {
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Response response = get(path, queryParams).post(Entity.entity(object, type));
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if (response.getStatus() != Response.Status.OK.getStatusCode() ) {
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throw getException("Scylla API server HTTP POST to URL '" + path + "' failed", response.readEntity(String.class));
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if (response.getStatus() != Response.Status.OK.getStatusCode()) {
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throw getException("Scylla API server HTTP POST to URL '" + path + "' failed",
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response.readEntity(String.class));
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}
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return response;
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} catch (ProcessingException e) {
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@ -124,7 +123,7 @@ public class APIClient {
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public Response post(String path, MultivaluedMap<String, String> queryParams, Object object) {
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return post(path, queryParams, object, MediaType.TEXT_PLAIN);
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}
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public void post(String path) {
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post(path, null);
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}
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@ -159,8 +158,7 @@ public class APIClient {
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delete(path, null);
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}
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public String getRawValue(String string,
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MultivaluedMap<String, String> queryParams, long duration) {
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public String getRawValue(String string, MultivaluedMap<String, String> queryParams, long duration) {
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try {
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if (string.equals("")) {
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return "";
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@ -176,7 +174,8 @@ public class APIClient {
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// TBD
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// We are currently not caching errors,
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// it should be reconsider.
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throw getException("Scylla API server HTTP GET to URL '" + string + "' failed", response.readEntity(String.class));
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throw getException("Scylla API server HTTP GET to URL '" + string + "' failed",
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response.readEntity(String.class));
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}
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res = response.readEntity(String.class);
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if (duration > 0) {
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@ -188,8 +187,7 @@ public class APIClient {
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}
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}
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public String getRawValue(String string,
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MultivaluedMap<String, String> queryParams) {
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public String getRawValue(String string, MultivaluedMap<String, String> queryParams) {
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return getRawValue(string, queryParams, 0);
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}
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@ -202,23 +200,19 @@ public class APIClient {
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}
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public String getStringValue(String string, MultivaluedMap<String, String> queryParams) {
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return getRawValue(string,
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queryParams).replaceAll("^\"|\"$", "");
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return getRawValue(string, queryParams).replaceAll("^\"|\"$", "");
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}
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public String getStringValue(String string, MultivaluedMap<String, String> queryParams, long duration) {
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return getRawValue(string,
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queryParams, duration).replaceAll("^\"|\"$", "");
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return getRawValue(string, queryParams, duration).replaceAll("^\"|\"$", "");
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}
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public String getStringValue(String string) {
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return getStringValue(string, null);
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}
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public JsonReader getReader(String string,
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MultivaluedMap<String, String> queryParams) {
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return factory.createReader(new StringReader(getRawValue(string,
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queryParams)));
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public JsonReader getReader(String string, MultivaluedMap<String, String> queryParams) {
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return factory.createReader(new StringReader(getRawValue(string, queryParams)));
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}
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public JsonReader getReader(String string) {
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@ -230,8 +224,7 @@ public class APIClient {
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return val.toArray(new String[val.size()]);
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}
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public int getIntValue(String string,
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MultivaluedMap<String, String> queryParams) {
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public int getIntValue(String string, MultivaluedMap<String, String> queryParams) {
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return Integer.parseInt(getRawValue(string, queryParams));
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}
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@ -239,6 +232,19 @@ public class APIClient {
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return getIntValue(string, null);
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}
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public static <T> BiFunction<APIClient, String, T> getReader(Class<T> type) {
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if (type == String.class) {
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return (c, s) -> type.cast(c.getRawValue(s));
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} else if (type == Integer.class) {
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return (c, s) -> type.cast(c.getIntValue(s));
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} else if (type == Double.class) {
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return (c, s) -> type.cast(c.getDoubleValue(s));
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} else if (type == Long.class) {
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return (c, s) -> type.cast(c.getLongValue(s));
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}
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throw new IllegalArgumentException(type.getName());
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}
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public boolean getBooleanValue(String string) {
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return Boolean.parseBoolean(getRawValue(string));
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}
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@ -247,8 +253,7 @@ public class APIClient {
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return Double.parseDouble(getRawValue(string));
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}
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public List<String> getListStrValue(String string,
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MultivaluedMap<String, String> queryParams) {
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public List<String> getListStrValue(String string, MultivaluedMap<String, String> queryParams) {
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JsonReader reader = getReader(string, queryParams);
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JsonArray arr = reader.readArray();
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List<String> res = new ArrayList<String>(arr.size());
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@ -303,8 +308,7 @@ public class APIClient {
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return join(arr, ",");
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}
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public static String mapToString(Map<String, String> mp, String pairJoin,
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String joiner) {
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public static String mapToString(Map<String, String> mp, String pairJoin, String joiner) {
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String res = "";
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if (mp != null) {
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for (String name : mp.keySet()) {
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@ -321,19 +325,15 @@ public class APIClient {
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return mapToString(mp, "=", ",");
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}
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public static boolean set_query_param(
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MultivaluedMap<String, String> queryParams, String key, String value) {
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if (queryParams != null && key != null && value != null
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&& !value.equals("")) {
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public static boolean set_query_param(MultivaluedMap<String, String> queryParams, String key, String value) {
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if (queryParams != null && key != null && value != null && !value.equals("")) {
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queryParams.add(key, value);
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return true;
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}
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return false;
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}
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public static boolean set_bool_query_param(
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MultivaluedMap<String, String> queryParams, String key,
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boolean value) {
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public static boolean set_bool_query_param(MultivaluedMap<String, String> queryParams, String key, boolean value) {
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if (queryParams != null && key != null && value) {
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queryParams.add(key, "true");
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return true;
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@ -352,8 +352,7 @@ public class APIClient {
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for (int i = 0; i < arr.size(); i++) {
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JsonObject obj = arr.getJsonObject(i);
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if (obj.containsKey("key") && obj.containsKey("value")) {
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map.put(obj.getString("key"),
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listStrFromJArr(obj.getJsonArray("value")));
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map.put(obj.getString("key"), listStrFromJArr(obj.getJsonArray("value")));
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}
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}
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reader.close();
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@ -375,8 +374,7 @@ public class APIClient {
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for (int i = 0; i < arr.size(); i++) {
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JsonObject obj = arr.getJsonObject(i);
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if (obj.containsKey("key") && obj.containsKey("value")) {
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map.put(listStrFromJArr(obj.getJsonArray("key")),
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listStrFromJArr(obj.getJsonArray("value")));
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map.put(listStrFromJArr(obj.getJsonArray("key")), listStrFromJArr(obj.getJsonArray("value")));
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}
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}
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reader.close();
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@ -387,8 +385,7 @@ public class APIClient {
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return getMapListStrValue(string, null);
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}
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public Set<String> getSetStringValue(String string,
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MultivaluedMap<String, String> queryParams) {
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public Set<String> getSetStringValue(String string, MultivaluedMap<String, String> queryParams) {
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JsonReader reader = getReader(string, queryParams);
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JsonArray arr = reader.readArray();
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Set<String> res = new HashSet<String>();
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@ -403,8 +400,7 @@ public class APIClient {
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return getSetStringValue(string, null);
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}
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public Map<String, String> getMapStrValue(String string,
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MultivaluedMap<String, String> queryParams) {
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public Map<String, String> getMapStrValue(String string, MultivaluedMap<String, String> queryParams) {
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if (string.equals("")) {
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return null;
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}
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@ -425,8 +421,7 @@ public class APIClient {
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return getMapStrValue(string, null);
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}
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public Map<String, String> getReverseMapStrValue(String string,
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MultivaluedMap<String, String> queryParams) {
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public Map<String, String> getReverseMapStrValue(String string, MultivaluedMap<String, String> queryParams) {
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if (string.equals("")) {
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return null;
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}
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@ -443,12 +438,11 @@ public class APIClient {
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return map;
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}
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public Map<String, String> getReverseMapStrValue(String string) {
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public Map<String, String> getReverseMapStrValue(String string) {
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return getReverseMapStrValue(string, null);
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}
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public List<InetAddress> getListInetAddressValue(String string,
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MultivaluedMap<String, String> queryParams) {
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public List<InetAddress> getListInetAddressValue(String string, MultivaluedMap<String, String> queryParams) {
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List<String> vals = getListStrValue(string, queryParams);
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List<InetAddress> res = new ArrayList<InetAddress>();
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for (String val : vals) {
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@ -472,22 +466,20 @@ public class APIClient {
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}
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private TabularDataSupport getSnapshotData(String key, JsonArray arr) {
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TabularDataSupport data = new TabularDataSupport(
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SnapshotDetailsTabularData.TABULAR_TYPE);
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TabularDataSupport data = new TabularDataSupport(SnapshotDetailsTabularData.TABULAR_TYPE);
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for (int i = 0; i < arr.size(); i++) {
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JsonObject obj = arr.getJsonObject(i);
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if (obj.containsKey("ks") && obj.containsKey("cf")) {
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SnapshotDetailsTabularData.from(key, obj.getString("ks"),
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obj.getString("cf"), obj.getInt("total"),
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SnapshotDetailsTabularData.from(key, obj.getString("ks"), obj.getString("cf"), obj.getInt("total"),
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obj.getInt("live"), data);
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}
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}
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return data;
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}
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public Map<String, TabularData> getMapStringSnapshotTabularDataValue(
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String string, MultivaluedMap<String, String> queryParams) {
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public Map<String, TabularData> getMapStringSnapshotTabularDataValue(String string,
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MultivaluedMap<String, String> queryParams) {
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if (string.equals("")) {
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return null;
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}
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@ -521,8 +513,7 @@ public class APIClient {
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for (int i = 0; i < arr.size(); i++) {
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try {
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obj = arr.getJsonObject(i);
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res.put(InetAddress.getByName(obj.getString("key")),
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Float.parseFloat(obj.getString("value")));
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res.put(InetAddress.getByName(obj.getString("key")), Float.parseFloat(obj.getString("value")));
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} catch (UnknownHostException e) {
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logger.warning("Bad formatted address " + obj.getString("key"));
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}
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@ -534,8 +525,7 @@ public class APIClient {
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return getMapInetAddressFloatValue(string, null);
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}
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public Map<String, Long> getMapStringLongValue(String string,
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MultivaluedMap<String, String> queryParams) {
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public Map<String, Long> getMapStringLongValue(String string, MultivaluedMap<String, String> queryParams) {
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Map<String, Long> res = new HashMap<String, Long>();
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JsonReader reader = getReader(string, queryParams);
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@ -553,8 +543,7 @@ public class APIClient {
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return getMapStringLongValue(string, null);
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}
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public long[] getLongArrValue(String string,
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MultivaluedMap<String, String> queryParams) {
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public long[] getLongArrValue(String string, MultivaluedMap<String, String> queryParams) {
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JsonReader reader = getReader(string, queryParams);
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JsonArray arr = reader.readArray();
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long[] res = new long[arr.size()];
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@ -569,8 +558,7 @@ public class APIClient {
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return getLongArrValue(string, null);
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}
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public Map<String, Integer> getMapStringIntegerValue(String string,
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MultivaluedMap<String, String> queryParams) {
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public Map<String, Integer> getMapStringIntegerValue(String string, MultivaluedMap<String, String> queryParams) {
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Map<String, Integer> res = new HashMap<String, Integer>();
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JsonReader reader = getReader(string, queryParams);
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@ -588,8 +576,7 @@ public class APIClient {
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return getMapStringIntegerValue(string, null);
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}
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public int[] getIntArrValue(String string,
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MultivaluedMap<String, String> queryParams) {
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public int[] getIntArrValue(String string, MultivaluedMap<String, String> queryParams) {
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JsonReader reader = getReader(string, queryParams);
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JsonArray arr = reader.readArray();
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int[] res = new int[arr.size()];
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@ -604,8 +591,7 @@ public class APIClient {
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return getIntArrValue(string, null);
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}
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public Map<String, Long> getListMapStringLongValue(String string,
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MultivaluedMap<String, String> queryParams) {
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public Map<String, Long> getListMapStringLongValue(String string, MultivaluedMap<String, String> queryParams) {
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if (string.equals("")) {
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return null;
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}
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@ -638,8 +624,7 @@ public class APIClient {
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return getListMapStringLongValue(string, null);
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}
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public JsonArray getJsonArray(String string,
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MultivaluedMap<String, String> queryParams) {
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public JsonArray getJsonArray(String string, MultivaluedMap<String, String> queryParams) {
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if (string.equals("")) {
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return null;
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}
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@ -653,8 +638,7 @@ public class APIClient {
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return getJsonArray(string, null);
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}
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public List<Map<String, String>> getListMapStrValue(String string,
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MultivaluedMap<String, String> queryParams) {
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public List<Map<String, String>> getListMapStrValue(String string, MultivaluedMap<String, String> queryParams) {
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JsonArray arr = getJsonArray(string, queryParams);
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List<Map<String, String>> res = new ArrayList<Map<String, String>>();
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for (int i = 0; i < arr.size(); i++) {
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@ -672,8 +656,7 @@ public class APIClient {
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return null;
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}
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public JsonObject getJsonObj(String string,
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MultivaluedMap<String, String> queryParams, long duration) {
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public JsonObject getJsonObj(String string, MultivaluedMap<String, String> queryParams, long duration) {
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if (string.equals("")) {
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return null;
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}
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@ -690,61 +673,19 @@ public class APIClient {
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}
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return res;
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}
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public JsonObject getJsonObj(String string,
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MultivaluedMap<String, String> queryParams) {
|
||||
|
||||
public JsonObject getJsonObj(String string, MultivaluedMap<String, String> queryParams) {
|
||||
return getJsonObj(string, queryParams, 0);
|
||||
}
|
||||
|
||||
public static HistogramValues json2histogram(JsonObject obj) {
|
||||
HistogramValues res = new HistogramValues();
|
||||
res.count = obj.getJsonNumber("count").longValue();
|
||||
res.max = obj.getJsonNumber("max").longValue();
|
||||
res.min = obj.getJsonNumber("min").longValue();
|
||||
res.sum = obj.getJsonNumber("sum").longValue();
|
||||
res.variance = obj.getJsonNumber("variance").doubleValue();
|
||||
res.mean = obj.getJsonNumber("mean").doubleValue();
|
||||
JsonArray arr = obj.getJsonArray("sample");
|
||||
if (arr != null) {
|
||||
res.sample = new long[arr.size()];
|
||||
for (int i = 0; i < arr.size(); i++) {
|
||||
res.sample[i] = arr.getJsonNumber(i).longValue();
|
||||
}
|
||||
}
|
||||
return res;
|
||||
}
|
||||
|
||||
public HistogramValues getHistogramValue(String url,
|
||||
MultivaluedMap<String, String> queryParams) {
|
||||
return json2histogram(getJsonObj(url, queryParams));
|
||||
}
|
||||
|
||||
public HistogramValues getHistogramValue(String url) {
|
||||
return getHistogramValue(url, null);
|
||||
}
|
||||
|
||||
public EstimatedHistogram getEstimatedHistogram(String string,
|
||||
MultivaluedMap<String, String> queryParams, long duration) {
|
||||
String key = getCacheKey(string, queryParams, duration);
|
||||
EstimatedHistogram res = getEstimatedHistogramFromCache(key, duration);
|
||||
if (res != null) {
|
||||
return res;
|
||||
}
|
||||
res = new EstimatedHistogram(getEstimatedHistogramAsLongArrValue(string, queryParams));
|
||||
if (duration > 0) {
|
||||
cache.put(key, new CacheEntry(res));
|
||||
}
|
||||
return res;
|
||||
|
||||
}
|
||||
public long[] getEstimatedHistogramAsLongArrValue(String string,
|
||||
MultivaluedMap<String, String> queryParams) {
|
||||
public long[] getEstimatedHistogramAsLongArrValue(String string, MultivaluedMap<String, String> queryParams) {
|
||||
JsonObject obj = getJsonObj(string, queryParams);
|
||||
JsonArray arr = obj.getJsonArray("buckets");
|
||||
if (arr == null) {
|
||||
return new long[0];
|
||||
}
|
||||
long res[] = new long[arr.size()];
|
||||
for (int i = 0; i< arr.size(); i++) {
|
||||
for (int i = 0; i < arr.size(); i++) {
|
||||
res[i] = arr.getJsonNumber(i).longValue();
|
||||
}
|
||||
return res;
|
||||
@ -754,8 +695,7 @@ public class APIClient {
|
||||
return getEstimatedHistogramAsLongArrValue(string, null);
|
||||
}
|
||||
|
||||
public Map<String, Double> getMapStringDouble(String string,
|
||||
MultivaluedMap<String, String> queryParams) {
|
||||
public Map<String, Double> getMapStringDouble(String string, MultivaluedMap<String, String> queryParams) {
|
||||
if (string.equals("")) {
|
||||
return null;
|
||||
}
|
||||
@ -783,6 +723,7 @@ public class APIClient {
|
||||
reader.close();
|
||||
return map;
|
||||
}
|
||||
|
||||
public Map<String, Double> getMapStringDouble(String string) {
|
||||
return getMapStringDouble(string, null);
|
||||
}
|
||||
|
||||
@ -30,23 +30,22 @@ import org.yaml.snakeyaml.Yaml;
|
||||
*/
|
||||
|
||||
public class APIConfig {
|
||||
static String address = "localhost";
|
||||
static String port = "10000";
|
||||
private String address = "localhost";
|
||||
private String port = "10000";
|
||||
|
||||
public static String getAddress() {
|
||||
public String getAddress() {
|
||||
return address;
|
||||
}
|
||||
|
||||
public static String getPort() {
|
||||
public String getPort() {
|
||||
return port;
|
||||
}
|
||||
|
||||
public static String getBaseUrl() {
|
||||
return "http://" + address + ":"
|
||||
+ port;
|
||||
public String getBaseUrl() {
|
||||
return "http://" + address + ":" + port;
|
||||
}
|
||||
|
||||
public static void readFile(String name) {
|
||||
private void readFile(String name) {
|
||||
System.out.println("Using config file: " + name);
|
||||
InputStream input;
|
||||
try {
|
||||
@ -61,7 +60,7 @@ public class APIConfig {
|
||||
address = (String) map.get("api_address");
|
||||
}
|
||||
if (map.containsKey("api_port")) {
|
||||
port = (String) map.get("api_port").toString();
|
||||
port = map.get("api_port").toString();
|
||||
}
|
||||
} catch (FileNotFoundException e) {
|
||||
System.err.println("fail reading from config file: " + name);
|
||||
@ -74,7 +73,7 @@ public class APIConfig {
|
||||
return varTmpDir.exists();
|
||||
}
|
||||
|
||||
public static boolean loadIfExists(String path, String name) {
|
||||
private boolean loadIfExists(String path, String name) {
|
||||
if (path == null) {
|
||||
return false;
|
||||
}
|
||||
@ -84,24 +83,21 @@ public class APIConfig {
|
||||
readFile(path + name);
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* setConfig load the JMX proxy configuration
|
||||
* The configuration hierarchy is as follow:
|
||||
* Command line argument takes precedence over everything
|
||||
* Then configuration file in the command line (command line
|
||||
* argument can replace specific values in it.
|
||||
* Then SCYLLA_CONF/scylla.yaml
|
||||
* Then SCYLLA_HOME/conf/scylla.yaml
|
||||
* Then conf/scylla.yaml
|
||||
* Then the default values
|
||||
* With file configuration, to make it clearer what is been used, only
|
||||
* one file will be chosen with the highest precedence
|
||||
* setConfig load the JMX proxy configuration The configuration hierarchy is
|
||||
* as follow: Command line argument takes precedence over everything Then
|
||||
* configuration file in the command line (command line argument can replace
|
||||
* specific values in it. Then SCYLLA_CONF/scylla.yaml Then
|
||||
* SCYLLA_HOME/conf/scylla.yaml Then conf/scylla.yaml Then the default
|
||||
* values With file configuration, to make it clearer what is been used,
|
||||
* only one file will be chosen with the highest precedence
|
||||
*/
|
||||
public static void setConfig() {
|
||||
if (!System.getProperty("apiconfig","").equals("")) {
|
||||
public APIConfig() {
|
||||
if (!System.getProperty("apiconfig", "").equals("")) {
|
||||
readFile(System.getProperty("apiconfig"));
|
||||
} else if (!loadIfExists(System.getenv("SCYLLA_CONF"), "/scylla.yaml") &&
|
||||
!loadIfExists(System.getenv("SCYLLA_HOME"), "/conf/scylla.yaml")) {
|
||||
} else if (!loadIfExists(System.getenv("SCYLLA_CONF"), "/scylla.yaml")
|
||||
&& !loadIfExists(System.getenv("SCYLLA_HOME"), "/conf/scylla.yaml")) {
|
||||
loadIfExists("", "conf/scylla.yaml");
|
||||
}
|
||||
|
||||
|
||||
@ -23,13 +23,11 @@ package com.scylladb.jmx.api;
|
||||
|
||||
import javax.json.JsonObject;
|
||||
|
||||
import com.scylladb.jmx.utils.EstimatedHistogram;
|
||||
class CacheEntry {
|
||||
private long time;
|
||||
private Object value;
|
||||
|
||||
public class CacheEntry {
|
||||
long time;
|
||||
Object value;
|
||||
|
||||
CacheEntry(Object res) {
|
||||
public CacheEntry(Object res) {
|
||||
time = System.currentTimeMillis();
|
||||
this.value = res;
|
||||
}
|
||||
@ -42,10 +40,6 @@ public class CacheEntry {
|
||||
return (String) value;
|
||||
}
|
||||
|
||||
public EstimatedHistogram getEstimatedHistogram() {
|
||||
return (EstimatedHistogram)value;
|
||||
}
|
||||
|
||||
public JsonObject jsonObject() {
|
||||
return (JsonObject) value;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user