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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.cluster.routing.allocation;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
* Class used to encapsulate a number of {@link RerouteExplanation}
* explanations.
*/
public class RoutingExplanations implements ToXContent {
private final List explanations;
public RoutingExplanations() {
this.explanations = new ArrayList<>();
}
public RoutingExplanations add(RerouteExplanation explanation) {
this.explanations.add(explanation);
return this;
}
public List explanations() {
return this.explanations;
}
/**
* Read in a RoutingExplanations object
*/
public static RoutingExplanations readFrom(StreamInput in) throws IOException {
int exCount = in.readVInt();
RoutingExplanations exp = new RoutingExplanations();
for (int i = 0; i < exCount; i++) {
RerouteExplanation explanation = RerouteExplanation.readFrom(in);
exp.add(explanation);
}
return exp;
}
/**
* Write the RoutingExplanations object
*/
public static void writeTo(RoutingExplanations explanations, StreamOutput out) throws IOException {
out.writeVInt(explanations.explanations.size());
for (RerouteExplanation explanation : explanations.explanations) {
RerouteExplanation.writeTo(explanation, out);
}
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startArray("explanations");
for (RerouteExplanation explanation : explanations) {
explanation.toXContent(builder, params);
}
builder.endArray();
return builder;
}
}