132 lines
3.1 KiB
Java
132 lines
3.1 KiB
Java
package it.cavallium.dbengine.database;
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import com.google.common.primitives.Ints;
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import com.google.common.primitives.Longs;
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import java.nio.ByteBuffer;
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import java.nio.charset.StandardCharsets;
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import java.util.Arrays;
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import java.util.Objects;
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import java.util.StringJoiner;
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import org.apache.lucene.document.Field;
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public class LLItem {
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private final LLType type;
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private final String name;
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private final byte[] data;
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public LLItem(LLType type, String name, byte[] data) {
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this.type = type;
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this.name = name;
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this.data = data;
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}
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private LLItem(LLType type, String name, String data) {
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this.type = type;
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this.name = name;
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this.data = data.getBytes(StandardCharsets.UTF_8);
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}
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private LLItem(LLType type, String name, int data) {
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this.type = type;
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this.name = name;
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this.data = Ints.toByteArray(data);
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}
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private LLItem(LLType type, String name, float data) {
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this.type = type;
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this.name = name;
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this.data = ByteBuffer.allocate(4).putFloat(data).array();
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}
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private LLItem(LLType type, String name, long data) {
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this.type = type;
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this.name = name;
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this.data = Longs.toByteArray(data);
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}
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public static LLItem newIntPoint(String name, int data) {
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return new LLItem(LLType.IntPoint, name, data);
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}
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public static LLItem newLongPoint(String name, long data) {
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return new LLItem(LLType.LongPoint, name, data);
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}
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public static LLItem newLongStoredField(String name, long data) {
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return new LLItem(LLType.LongStoredField, name, data);
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}
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public static LLItem newFloatPoint(String name, float data) {
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return new LLItem(LLType.FloatPoint, name, data);
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}
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public static LLItem newTextField(String name, String data, Field.Store store) {
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if (store == Field.Store.YES) {
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return new LLItem(LLType.TextFieldStored, name, data);
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} else {
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return new LLItem(LLType.TextField, name, data);
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}
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}
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public static LLItem newStringField(String name, String data, Field.Store store) {
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if (store == Field.Store.YES) {
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return new LLItem(LLType.StringFieldStored, name, data);
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} else {
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return new LLItem(LLType.StringField, name, data);
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}
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}
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public static LLItem newSortedNumericDocValuesField(String name, long data) {
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return new LLItem(LLType.SortedNumericDocValuesField, name, data);
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}
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public String getName() {
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return name;
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}
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public LLType getType() {
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return type;
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}
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public byte[] getData() {
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return data;
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) {
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return true;
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}
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if (o == null || getClass() != o.getClass()) {
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return false;
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}
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LLItem llItem = (LLItem) o;
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return type == llItem.type &&
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Objects.equals(name, llItem.name) &&
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Arrays.equals(data, llItem.data);
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}
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@Override
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public int hashCode() {
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int result = Objects.hash(type, name);
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result = 31 * result + Arrays.hashCode(data);
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return result;
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}
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@Override
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public String toString() {
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var sj = new StringJoiner(", ", "[", "]")
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.add("type=" + type)
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.add("name='" + name + "'");
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if (data != null && data.length > 0) {
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sj.add("data=" + new String(data));
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}
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return sj.toString();
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}
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public String stringValue() {
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return new String(data, StandardCharsets.UTF_8);
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}
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}
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