/*
* Copyright © 2014 Cask Data, Inc.
*
* Licensed 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 co.cask.cdap.data2.transaction.coprocessor.hbase96;
import co.cask.cdap.data2.increment.hbase96.IncrementFilter;
import co.cask.cdap.data2.transaction.coprocessor.DefaultTransactionStateCacheSupplier;
import co.cask.tephra.Transaction;
import co.cask.tephra.coprocessor.TransactionStateCache;
import co.cask.tephra.hbase96.coprocessor.TransactionProcessor;
import co.cask.tephra.hbase96.coprocessor.TransactionVisibilityFilter;
import com.google.common.base.Supplier;
import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;
import org.apache.hadoop.hbase.filter.Filter;
/**
* Implementation of the {@link co.cask.tephra.hbase96.coprocessor.TransactionProcessor}
* coprocessor that uses {@link co.cask.cdap.data2.transaction.coprocessor.DefaultTransactionStateCache}
* to automatically refresh transaction state.
*/
public class DefaultTransactionProcessor extends TransactionProcessor {
@Override
protected Supplier<TransactionStateCache> getTransactionStateCacheSupplier(RegionCoprocessorEnvironment env) {
String tableName = env.getRegion().getTableDesc().getNameAsString();
String[] parts = tableName.split("\\.", 2);
String tableNamespace = "";
if (parts.length > 0) {
tableNamespace = parts[0];
}
return new DefaultTransactionStateCacheSupplier(tableNamespace, env.getConfiguration());
}
@Override
protected Filter getTransactionFilter(Transaction tx) {
return new TransactionVisibilityFilter(tx, ttlByFamily, allowEmptyValues, new IncrementFilter());
}
}