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NoopProcedureStore.java
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NoopProcedureStore.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.hadoop.hbase.procedure2.store;
import java.io.IOException;
import org.apache.hadoop.hbase.procedure2.Procedure;
/**
* An In-Memory store that does not keep track of the procedures inserted.
*/
public class NoopProcedureStore extends ProcedureStoreBase {
private int numThreads;
@Override
public void start(int numThreads) throws IOException {
if (!setRunning(true)) {
return;
}
this.numThreads = numThreads;
}
@Override
public void stop(boolean abort) {
setRunning(false);
}
@Override
public void recoverLease() throws IOException {
// no-op
}
@Override
public int getNumThreads() {
return numThreads;
}
@Override
public void load(final ProcedureLoader loader) throws IOException {
loader.setMaxProcId(0);
}
@Override
public void insert(Procedure proc, Procedure[] subprocs) {
// no-op
}
@Override
public void update(Procedure proc) {
// no-op
}
@Override
public void delete(long procId) {
// no-op
}
@Override
public void delete(Procedure proc, long[] subprocs) {
// no-op
}
@Override
public void delete(long[] procIds, int offset, int count) {
// no-op
}
}