org.elasticsearch.index.gateway.blobstore.BlobStoreIndexGateway Maven / Gradle / Ivy
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* 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
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* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.index.gateway.blobstore;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.common.blobstore.BlobPath;
import org.elasticsearch.common.blobstore.BlobStore;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.unit.ByteSizeValue;
import org.elasticsearch.gateway.Gateway;
import org.elasticsearch.gateway.blobstore.BlobStoreGateway;
import org.elasticsearch.gateway.none.NoneGateway;
import org.elasticsearch.index.AbstractIndexComponent;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.gateway.IndexGateway;
import org.elasticsearch.index.settings.IndexSettings;
/**
*
*/
public abstract class BlobStoreIndexGateway extends AbstractIndexComponent implements IndexGateway {
private final BlobStoreGateway gateway;
private final BlobStore blobStore;
private final BlobPath indexPath;
protected ByteSizeValue chunkSize;
protected BlobStoreIndexGateway(Index index, @IndexSettings Settings indexSettings, Gateway gateway) {
super(index, indexSettings);
if (gateway.type().equals(NoneGateway.TYPE)) {
logger.warn("index gateway is configured, but no cluster level gateway configured, cluster level metadata will be lost on full shutdown");
}
this.gateway = (BlobStoreGateway) gateway;
this.blobStore = this.gateway.blobStore();
this.chunkSize = componentSettings.getAsBytesSize("chunk_size", this.gateway.chunkSize());
this.indexPath = this.gateway.basePath().add("indices").add(index.name());
}
@Override
public String toString() {
return type() + "://" + blobStore + "/" + indexPath;
}
public BlobStore blobStore() {
return blobStore;
}
public ByteSizeValue chunkSize() {
return this.chunkSize;
}
public BlobPath shardPath(int shardId) {
return indexPath.add(Integer.toString(shardId));
}
public static BlobPath shardPath(BlobPath basePath, String index, int shardId) {
return basePath.add("indices").add(index).add(Integer.toString(shardId));
}
@Override
public void close() throws ElasticsearchException {
}
}