99 lines
4.0 KiB
Java
99 lines
4.0 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Copyright 2015 ScyllaDB
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*
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* Modified by ScyllaDB
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*/
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package org.apache.cassandra.db.compaction;
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import javax.json.JsonArray;
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import javax.json.JsonObject;
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import javax.management.openmbean.CompositeDataSupport;
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import javax.management.openmbean.CompositeType;
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import javax.management.openmbean.OpenDataException;
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import javax.management.openmbean.OpenType;
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import javax.management.openmbean.SimpleType;
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import javax.management.openmbean.TabularData;
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import javax.management.openmbean.TabularDataSupport;
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import javax.management.openmbean.TabularType;
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import com.google.common.base.Throwables;
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public class CompactionHistoryTabularData {
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private static final String[] ITEM_NAMES = new String[] { "id", "keyspace_name", "columnfamily_name",
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"compacted_at", "bytes_in", "bytes_out", "rows_merged" };
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private static final String[] ITEM_DESCS = new String[] { "time uuid", "keyspace name", "column family name",
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"compaction finished at", "total bytes in", "total bytes out", "total rows merged" };
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private static final String TYPE_NAME = "CompactionHistory";
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private static final String ROW_DESC = "CompactionHistory";
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private static final OpenType<?>[] ITEM_TYPES;
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private static final CompositeType COMPOSITE_TYPE;
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private static final TabularType TABULAR_TYPE;
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static {
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try {
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ITEM_TYPES = new OpenType[] { SimpleType.STRING, SimpleType.STRING, SimpleType.STRING, SimpleType.LONG,
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SimpleType.LONG, SimpleType.LONG, SimpleType.STRING };
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COMPOSITE_TYPE = new CompositeType(TYPE_NAME, ROW_DESC, ITEM_NAMES, ITEM_DESCS, ITEM_TYPES);
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TABULAR_TYPE = new TabularType(TYPE_NAME, ROW_DESC, COMPOSITE_TYPE, ITEM_NAMES);
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} catch (OpenDataException e) {
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throw Throwables.propagate(e);
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}
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}
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public static TabularData from(JsonArray resultSet) throws OpenDataException {
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TabularDataSupport result = new TabularDataSupport(TABULAR_TYPE);
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for (int i = 0; i < resultSet.size(); i++) {
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JsonObject row = resultSet.getJsonObject(i);
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String id = row.getString("id");
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String ksName = row.getString("ks");
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String cfName = row.getString("cf");
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long compactedAt = row.getJsonNumber("compacted_at").longValue();
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long bytesIn = row.getJsonNumber("bytes_in").longValue();
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long bytesOut = row.getJsonNumber("bytes_out").longValue();
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JsonArray merged = row.getJsonArray("rows_merged");
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StringBuilder sb = new StringBuilder();
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if (merged != null) {
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sb.append('{');
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for (int m = 0; m < merged.size(); m++) {
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JsonObject entry = merged.getJsonObject(m);
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if (m > 0) {
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sb.append(',');
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}
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sb.append(entry.getString("key")).append(':').append(entry.getString("value"));
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}
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sb.append('}');
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}
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result.put(new CompositeDataSupport(COMPOSITE_TYPE, ITEM_NAMES,
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new Object[] { id, ksName, cfName, compactedAt, bytesIn, bytesOut, sb.toString() }));
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}
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return result;
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}
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}
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