tools/stress/src/org/apache/cassandra/stress/operations/userdefined/SchemaQuery.java

package org.apache.cassandra.stress.operations.userdefined;
/*
 * 
 * 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.
 * 
 */


import java.io.IOException;

import com.datastax.driver.core.PreparedStatement;
import com.datastax.driver.core.ResultSet;
import org.apache.cassandra.db.ConsistencyLevel;
import org.apache.cassandra.stress.generate.PartitionGenerator;
import org.apache.cassandra.stress.settings.OptionDistribution;
import org.apache.cassandra.stress.settings.StressSettings;
import org.apache.cassandra.stress.settings.ValidationType;
import org.apache.cassandra.stress.util.JavaDriverClient;
import org.apache.cassandra.stress.util.ThriftClient;
import org.apache.cassandra.stress.util.Timer;
import org.apache.cassandra.thrift.CqlResult;
import org.apache.cassandra.thrift.ThriftConversion;

public class SchemaQuery extends SchemaStatement
{

    public SchemaQuery(Timer timer, PartitionGenerator generator, StressSettings settings, Integer thriftId, PreparedStatement statement, ConsistencyLevel cl, ValidationType validationType)
    {
        super(timer, generator, settings, OptionDistribution.get("fixed(1)").get(), statement, thriftId, cl, validationType);
    }

    int execute(JavaDriverClient client) throws Exception
    {
        return client.getSession().execute(bindRandom(partitions.get(0))).all().size();
    }

    int execute(ThriftClient client) throws Exception
    {
        return client.execute_prepared_cql3_query(thriftId, partitions.get(0).getToken(), thriftRandomArgs(partitions.get(0)), ThriftConversion.toThrift(cl)).getRowsSize();
    }

    private class JavaDriverRun extends Runner
    {
        final JavaDriverClient client;

        private JavaDriverRun(JavaDriverClient client)
        {
            this.client = client;
        }

        public boolean run() throws Exception
        {
            ResultSet rs = client.getSession().execute(bindRandom(partitions.get(0)));
            validate(rs);
            rowCount = rs.all().size();
            partitionCount = Math.min(1, rowCount);
            return true;
        }
    }

    private class ThriftRun extends Runner
    {
        final ThriftClient client;

        private ThriftRun(ThriftClient client)
        {
            this.client = client;
        }

        public boolean run() throws Exception
        {
            CqlResult rs = client.execute_prepared_cql3_query(thriftId, partitions.get(0).getToken(), thriftRandomArgs(partitions.get(0)), ThriftConversion.toThrift(cl));
            validate(rs);
            rowCount = rs.getRowsSize();
            partitionCount = Math.min(1, rowCount);
            return true;
        }
    }

    @Override
    public void run(JavaDriverClient client) throws IOException
    {
        timeWithRetry(new JavaDriverRun(client));
    }

    @Override
    public void run(ThriftClient client) throws IOException
    {
        timeWithRetry(new ThriftRun(client));
    }

}