/**
* 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.cassandra.stress.operations;
import com.yammer.metrics.core.TimerContext;
import org.apache.cassandra.stress.Session;
import org.apache.cassandra.stress.util.CassandraClient;
import org.apache.cassandra.stress.util.Operation;
import org.apache.cassandra.db.ColumnFamilyType;
import org.apache.cassandra.thrift.*;
import org.apache.cassandra.utils.ByteBufferUtil;
import org.apache.cassandra.utils.FBUtilities;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.*;
public class Inserter extends Operation
{
private static List<ByteBuffer> values;
public Inserter(Session client, int index)
{
super(client, index);
}
public void run(CassandraClient client) throws IOException
{
if (values == null)
values = generateValues();
List<Column> columns = new ArrayList<Column>(session.getColumnsPerKey());
List<SuperColumn> superColumns = null;
// format used for keys
String format = "%0" + session.getTotalKeysLength() + "d";
for (int i = 0; i < session.getColumnsPerKey(); i++)
{
columns.add(new Column(columnName(i, session.timeUUIDComparator))
.setValue(values.get(i % values.size()))
.setTimestamp(FBUtilities.timestampMicros()));
}
if (session.getColumnFamilyType() == ColumnFamilyType.Super)
{
superColumns = new ArrayList<SuperColumn>();
// supers = [SuperColumn('S' + str(j), columns) for j in xrange(supers_per_key)]
for (int i = 0; i < session.getSuperColumns(); i++)
{
String superColumnName = "S" + Integer.toString(i);
superColumns.add(new SuperColumn(ByteBufferUtil.bytes(superColumnName), columns));
}
}
String rawKey = String.format(format, index);
Map<String, List<Mutation>> row = session.getColumnFamilyType() == ColumnFamilyType.Super
? getSuperColumnsMutationMap(superColumns)
: getColumnsMutationMap(columns);
Map<ByteBuffer, Map<String, List<Mutation>>> record = Collections.singletonMap(ByteBufferUtil.bytes(rawKey), row);
TimerContext context = session.latency.time();
boolean success = false;
String exceptionMessage = null;
for (int t = 0; t < session.getRetryTimes(); t++)
{
if (success)
break;
try
{
client.batch_mutate(record, session.getConsistencyLevel());
success = true;
}
catch (Exception e)
{
exceptionMessage = getExceptionMessage(e);
success = false;
}
}
if (!success)
{
error(String.format("Operation [%d] retried %d times - error inserting key %s %s%n",
index,
session.getRetryTimes(),
rawKey,
(exceptionMessage == null) ? "" : "(" + exceptionMessage + ")"));
}
session.operations.getAndIncrement();
session.keys.getAndIncrement();
context.stop();
}
private Map<String, List<Mutation>> getSuperColumnsMutationMap(List<SuperColumn> superColumns)
{
List<Mutation> mutations = new ArrayList<Mutation>(superColumns.size());
for (SuperColumn s : superColumns)
{
ColumnOrSuperColumn superColumn = new ColumnOrSuperColumn().setSuper_column(s);
mutations.add(new Mutation().setColumn_or_supercolumn(superColumn));
}
return Collections.singletonMap("Super1", mutations);
}
private Map<String, List<Mutation>> getColumnsMutationMap(List<Column> columns)
{
List<Mutation> mutations = new ArrayList<Mutation>(columns.size());
for (Column c : columns)
{
ColumnOrSuperColumn column = new ColumnOrSuperColumn().setColumn(c);
mutations.add(new Mutation().setColumn_or_supercolumn(column));
}
return Collections.singletonMap("Standard1", mutations);
}
}