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LocalModeClientBlobStore.java
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LocalModeClientBlobStore.java
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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.apache.storm.blobstore;
import java.util.Iterator;
import java.util.Map;
import org.apache.storm.generated.AuthorizationException;
import org.apache.storm.generated.KeyAlreadyExistsException;
import org.apache.storm.generated.KeyNotFoundException;
import org.apache.storm.generated.ReadableBlobMeta;
import org.apache.storm.generated.SettableBlobMeta;
import org.apache.storm.utils.NimbusClient;
/**
* A Client blob store for LocalMode.
*/
public class LocalModeClientBlobStore extends ClientBlobStore {
private final BlobStore wrapped;
public LocalModeClientBlobStore(BlobStore wrapped) {
this.wrapped = wrapped;
}
@Override
public void shutdown() {
wrapped.shutdown();
}
@Override
public void prepare(Map<String, Object> conf) {
//NOOP prepare should have already been called
}
@Override
protected AtomicOutputStream createBlobToExtend(String key, SettableBlobMeta meta) throws AuthorizationException, KeyAlreadyExistsException {
return wrapped.createBlob(key, meta, null);
}
@Override
public AtomicOutputStream updateBlob(String key) throws AuthorizationException, KeyNotFoundException {
return wrapped.updateBlob(key, null);
}
@Override
public ReadableBlobMeta getBlobMeta(String key) throws AuthorizationException, KeyNotFoundException {
return wrapped.getBlobMeta(key, null);
}
@Override
protected void setBlobMetaToExtend(String key, SettableBlobMeta meta) throws AuthorizationException, KeyNotFoundException {
wrapped.setBlobMeta(key, meta, null);
}
@Override
public void deleteBlob(String key) throws AuthorizationException, KeyNotFoundException {
wrapped.deleteBlob(key, null);
}
@Override
public InputStreamWithMeta getBlob(String key) throws AuthorizationException, KeyNotFoundException {
return wrapped.getBlob(key, null);
}
@Override
public Iterator<String> listKeys() {
return wrapped.listKeys();
}
@Override
public int getBlobReplication(String key) throws AuthorizationException, KeyNotFoundException {
try {
return wrapped.getBlobReplication(key, null);
} catch (AuthorizationException | KeyNotFoundException rethrow) {
throw rethrow;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
@Override
public int updateBlobReplication(String key, int replication) throws AuthorizationException, KeyNotFoundException {
try {
return wrapped.updateBlobReplication(key, replication, null);
} catch (AuthorizationException | KeyNotFoundException rethrow) {
throw rethrow;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
@Override
public boolean setClient(Map<String, Object> conf, NimbusClient client) {
return true;
}
@Override
public void createStateInZookeeper(String key) {
//NOOP
}
@Override
public void close() {
wrapped.shutdown();
}
}