/*
* 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.indices.recovery;
import org.apache.lucene.util.Version;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.lucene.Lucene;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.index.store.StoreFileMetaData;
import org.elasticsearch.transport.TransportRequest;
import java.io.IOException;
/**
*
*/
public final class RecoveryFileChunkRequest extends TransportRequest { // public for testing
private boolean lastChunk;
private long recoveryId;
private ShardId shardId;
private long position;
private BytesReference content;
private StoreFileMetaData metaData;
RecoveryFileChunkRequest() {
}
public RecoveryFileChunkRequest(long recoveryId, ShardId shardId, StoreFileMetaData metaData, long position, BytesReference content, boolean lastChunk) {
this.recoveryId = recoveryId;
this.shardId = shardId;
this.metaData = metaData;
this.position = position;
this.content = content;
this.lastChunk = lastChunk;
}
public long recoveryId() {
return this.recoveryId;
}
public ShardId shardId() {
return shardId;
}
public String name() {
return metaData.name();
}
public long position() {
return position;
}
@Nullable
public String checksum() {
return metaData.checksum();
}
public long length() {
return metaData.length();
}
public BytesReference content() {
return content;
}
@Override
public void readFrom(StreamInput in) throws IOException {
super.readFrom(in);
recoveryId = in.readLong();
shardId = ShardId.readShardId(in);
String name = in.readString();
position = in.readVLong();
long length = in.readVLong();
String checksum = in.readOptionalString();
content = in.readBytesReference();
Version writtenBy = null;
if (in.getVersion().onOrAfter(org.elasticsearch.Version.V_1_3_0)) {
String versionString = in.readOptionalString();
writtenBy = Lucene.parseVersionLenient(versionString, null);
}
metaData = new StoreFileMetaData(name, length, checksum, writtenBy);
if (in.getVersion().onOrAfter(org.elasticsearch.Version.V_1_4_0_Beta1)) {
lastChunk = in.readBoolean();
} else {
lastChunk = false;
}
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
out.writeLong(recoveryId);
shardId.writeTo(out);
out.writeString(metaData.name());
out.writeVLong(position);
out.writeVLong(metaData.length());
out.writeOptionalString(metaData.checksum());
out.writeBytesReference(content);
if (out.getVersion().onOrAfter(org.elasticsearch.Version.V_1_3_0)) {
out.writeOptionalString(metaData.writtenBy() == null ? null : metaData.writtenBy().toString());
}
if (out.getVersion().onOrAfter(org.elasticsearch.Version.V_1_4_0_Beta1)) {
out.writeBoolean(lastChunk);
}
}
@Override
public String toString() {
return shardId + ": name='" + name() + '\'' +
", position=" + position +
", length=" + length();
}
public StoreFileMetaData metadata() {
return metaData;
}
/**
* Returns <code>true</code> if this chunk is the last chunk in the stream.
*/
public boolean lastChunk() {
return lastChunk;
}
}