org.elasticsearch.index.gateway.none.NoneIndexShardGateway Maven / Gradle / Ivy
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*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.elasticsearch.index.gateway.none;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.lucene.Lucene;
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.settings.IndexSettings;
import org.elasticsearch.index.shard.AbstractIndexShardComponent;
import org.elasticsearch.index.shard.IndexShard;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.indices.recovery.RecoveryState;
import java.io.IOException;
/**
*
*/
public class NoneIndexShardGateway extends AbstractIndexShardComponent implements IndexShardGateway {
private final IndexShard indexShard;
@Inject
public NoneIndexShardGateway(ShardId shardId, @IndexSettings Settings indexSettings, IndexShard indexShard) {
super(shardId, indexSettings);
this.indexShard = indexShard;
}
@Override
public String toString() {
return "_none_";
}
@Override
public void recover(boolean indexShouldExists, RecoveryState recoveryState) throws IndexShardGatewayRecoveryException {
indexShard.prepareForIndexRecovery();
// in the none case, we simply start the shard
// clean the store, there should be nothing there...
indexShard.store().incRef();
try {
logger.debug("cleaning shard content before creation");
Lucene.cleanLuceneIndex(indexShard.store().directory());
} catch (IOException e) {
logger.warn("failed to clean store before starting shard", e);
} finally {
indexShard.store().decRef();
}
recoveryState.getTranslog().totalOperations(0);
recoveryState.getTranslog().totalOperationsOnStart(0);
indexShard.prepareForTranslogRecovery();
indexShard.finalizeRecovery();
indexShard.postRecovery("post recovery from gateway");
}
@Override
public String type() {
return NoneGateway.TYPE;
}
@Override
public void close() {
}
}