/*
* 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.support.replication;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.tasks.Task;
import org.elasticsearch.tasks.TaskId;
import java.io.IOException;
import static java.util.Objects.requireNonNull;
/**
* Task that tracks replication actions.
*/
public class ReplicationTask extends Task {
private volatile String phase = "starting";
public ReplicationTask(long id, String type, String action, String description, TaskId parentTaskId) {
super(id, type, action, description, parentTaskId);
}
/**
* Set the current phase of the task.
*/
public void setPhase(String phase) {
this.phase = phase;
}
/**
* Get the current phase of the task.
*/
public String getPhase() {
return phase;
}
@Override
public Status getStatus() {
return new Status(phase);
}
public static class Status implements Task.Status {
public static final String NAME = "replication";
private final String phase;
public Status(String phase) {
this.phase = requireNonNull(phase, "Phase cannot be null");
}
public Status(StreamInput in) throws IOException {
phase = in.readString();
}
@Override
public String getWriteableName() {
return NAME;
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject();
builder.field("phase", phase);
builder.endObject();
return builder;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeString(phase);
}
@Override
public String toString() {
return Strings.toString(this);
}
// Implements equals and hashcode for testing
@Override
public boolean equals(Object obj) {
if (obj == null || obj.getClass() != ReplicationTask.Status.class) {
return false;
}
ReplicationTask.Status other = (Status) obj;
return phase.equals(other.phase);
}
@Override
public int hashCode() {
return phase.hashCode();
}
}
}