org.elasticsearch.action.OriginalIndices Maven / Gradle / Ivy
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* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.action;
import org.elasticsearch.Version;
import org.elasticsearch.action.support.IndicesOptions;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import java.io.IOException;
/**
* Used to keep track of original indices within internal (e.g. shard level) requests
*/
public class OriginalIndices implements IndicesRequest {
public static OriginalIndices EMPTY = new OriginalIndices();
private final String[] indices;
private final IndicesOptions indicesOptions;
private OriginalIndices() {
this.indices = null;
this.indicesOptions = null;
}
public OriginalIndices(IndicesRequest indicesRequest) {
this(indicesRequest.indices(), indicesRequest.indicesOptions());
}
public OriginalIndices(String[] indices, IndicesOptions indicesOptions) {
this.indices = indices;
assert indicesOptions != null;
this.indicesOptions = indicesOptions;
}
@Override
public String[] indices() {
return indices;
}
@Override
public IndicesOptions indicesOptions() {
return indicesOptions;
}
public static OriginalIndices readOptionalOriginalIndices(StreamInput in) throws IOException {
if (in.getVersion().onOrAfter(Version.V_1_4_0_Beta1)) {
boolean empty = in.readBoolean();
if (!empty) {
return new OriginalIndices(in.readStringArray(), IndicesOptions.readIndicesOptions(in));
}
}
return OriginalIndices.EMPTY;
}
public static void writeOptionalOriginalIndices(OriginalIndices originalIndices, StreamOutput out) throws IOException {
if (out.getVersion().onOrAfter(Version.V_1_4_0_Beta1)) {
boolean empty = originalIndices == EMPTY;
out.writeBoolean(empty);
if (!empty) {
out.writeStringArrayNullable(originalIndices.indices);
originalIndices.indicesOptions.writeIndicesOptions(out);
}
}
}
public static OriginalIndices readOriginalIndices(StreamInput in) throws IOException {
if (in.getVersion().onOrAfter(Version.V_1_4_0_Beta1)) {
return new OriginalIndices(in.readStringArray(), IndicesOptions.readIndicesOptions(in));
}
return OriginalIndices.EMPTY;
}
public static void writeOriginalIndices(OriginalIndices originalIndices, StreamOutput out) throws IOException {
if (out.getVersion().onOrAfter(Version.V_1_4_0_Beta1)) {
out.writeStringArrayNullable(originalIndices.indices);
originalIndices.indicesOptions.writeIndicesOptions(out);
}
}
}