/*
* Licensed to ElasticSearch and Shay Banon 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.index.gateway.none;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.gateway.none.NoneGateway;
import org.elasticsearch.index.gateway.IndexShardGateway;
import org.elasticsearch.index.gateway.IndexShardGatewayRecoveryException;
import org.elasticsearch.index.gateway.RecoveryStatus;
import org.elasticsearch.index.gateway.SnapshotStatus;
import org.elasticsearch.index.settings.IndexSettings;
import org.elasticsearch.index.shard.AbstractIndexShardComponent;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.index.shard.service.IndexShard;
import org.elasticsearch.index.shard.service.InternalIndexShard;
import java.io.IOException;
/**
*
*/
public class NoneIndexShardGateway extends AbstractIndexShardComponent implements IndexShardGateway {
private final InternalIndexShard indexShard;
private final RecoveryStatus recoveryStatus = new RecoveryStatus();
@Inject
public NoneIndexShardGateway(ShardId shardId, @IndexSettings Settings indexSettings, IndexShard indexShard) {
super(shardId, indexSettings);
this.indexShard = (InternalIndexShard) indexShard;
}
@Override
public String toString() {
return "_none_";
}
@Override
public RecoveryStatus recoveryStatus() {
return recoveryStatus;
}
@Override
public void recover(boolean indexShouldExists, RecoveryStatus recoveryStatus) throws IndexShardGatewayRecoveryException {
recoveryStatus().index().startTime(System.currentTimeMillis());
// in the none case, we simply start the shard
// clean the store, there should be nothing there...
try {
indexShard.store().deleteContent();
} catch (IOException e) {
logger.warn("failed to clean store before starting shard", e);
}
indexShard.start("post recovery from gateway");
recoveryStatus.index().time(System.currentTimeMillis() - recoveryStatus.index().startTime());
recoveryStatus.translog().startTime(System.currentTimeMillis());
recoveryStatus.translog().time(System.currentTimeMillis() - recoveryStatus.index().startTime());
}
@Override
public String type() {
return NoneGateway.TYPE;
}
@Override
public SnapshotStatus snapshot(Snapshot snapshot) {
return null;
}
@Override
public SnapshotStatus lastSnapshotStatus() {
return null;
}
@Override
public SnapshotStatus currentSnapshotStatus() {
return null;
}
@Override
public boolean requiresSnapshot() {
return false;
}
@Override
public boolean requiresSnapshotScheduling() {
return false;
}
@Override
public void close(boolean delete) {
}
@Override
public SnapshotLock obtainSnapshotLock() throws Exception {
return NO_SNAPSHOT_LOCK;
}
}