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/*
* (c) Copyright 2018 Palantir Technologies Inc. All rights reserved.
*
* 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 com.palantir.atlasdb.keyvalue.cassandra;
import com.google.common.collect.Maps;
import java.nio.ByteBuffer;
import java.util.List;
import java.util.Map;
import org.apache.cassandra.thrift.ConsistencyLevel;
import org.apache.cassandra.thrift.InvalidRequestException;
import org.apache.cassandra.thrift.Mutation;
import org.apache.cassandra.thrift.TimedOutException;
import org.apache.cassandra.thrift.UnavailableException;
import org.apache.thrift.TException;
@SuppressWarnings({"all"}) // thrift variable names.
public class InstrumentedCassandraClient implements AutoDelegate_CassandraClient {
private final CassandraClient delegate;
private final CassandraClientMetrics instrumentation;
public InstrumentedCassandraClient(CassandraClient client, CassandraClientMetrics instrumentation) {
this.delegate = client;
this.instrumentation = instrumentation;
}
@Override
public CassandraClient delegate() {
return delegate;
}
@Override
public void batch_mutate(
String kvsMethodName,
Map>> mutation_map,
ConsistencyLevel consistency_level)
throws InvalidRequestException, UnavailableException, TimedOutException, TException {
delegate.batch_mutate(kvsMethodName, mutation_map, consistency_level);
Map tablesToCells = Maps.newHashMapWithExpectedSize(mutation_map.size());
mutation_map.values().forEach(tableToCellsMap -> {
tableToCellsMap.forEach((table, cells) -> {
Long numberOfCells = tablesToCells.getOrDefault(table, 0L);
tablesToCells.put(table, numberOfCells + cells.size());
});
});
tablesToCells.forEach(instrumentation::recordCellsWritten);
}
}