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Server functionality for HBase
/*
* 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.regionserver;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.UUID;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.classification.InterfaceStability;
import org.apache.hadoop.hbase.HBaseInterfaceAudience;
import org.apache.hadoop.hbase.client.Durability;
import org.apache.hadoop.hbase.regionserver.wal.WALEdit;
import com.google.protobuf.Message;
/**
* Base class for RowProcessor with some default implementations.
*/
@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.COPROC)
@InterfaceStability.Evolving
public abstract class BaseRowProcessor
implements RowProcessor {
@Override
public void preProcess(HRegion region, WALEdit walEdit) throws IOException {
}
@Override
public void preBatchMutate(HRegion region, WALEdit walEdit) throws IOException {
}
@Override
public void postBatchMutate(HRegion region) throws IOException {
}
@Override
public void postProcess(HRegion region, WALEdit walEdit, boolean success) throws IOException {
}
@Override
public List getClusterIds() {
return new ArrayList<>();
}
@Override
public String getName() {
return this.getClass().getSimpleName().toLowerCase(Locale.ROOT);
}
@Override
public Durability useDurability() {
return Durability.USE_DEFAULT;
}
}