| 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 java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Random; |
| |
| import com.datastax.driver.core.BoundStatement; |
| import com.datastax.driver.core.PreparedStatement; |
| import com.datastax.driver.core.ResultSet; |
| import org.apache.cassandra.db.ConsistencyLevel; |
| import org.apache.cassandra.stress.generate.*; |
| import org.apache.cassandra.stress.settings.StressSettings; |
| 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 static enum ArgSelect |
| { |
| MULTIROW, SAMEROW; |
| //TODO: FIRSTROW, LASTROW |
| } |
| |
| final ArgSelect argSelect; |
| final Object[][] randomBuffer; |
| final Random random = new Random(); |
| |
| public SchemaQuery(Timer timer, StressSettings settings, PartitionGenerator generator, SeedManager seedManager, Integer thriftId, PreparedStatement statement, ConsistencyLevel cl, ArgSelect argSelect) |
| { |
| super(timer, settings, new DataSpec(generator, seedManager, new DistributionFixed(1), settings.insert.rowPopulationRatio.get(), argSelect == ArgSelect.MULTIROW ? statement.getVariables().size() : 1), statement, thriftId, cl); |
| this.argSelect = argSelect; |
| randomBuffer = new Object[argumentIndex.length][argumentIndex.length]; |
| } |
| |
| 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(bindArgs()); |
| 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(), thriftArgs(), ThriftConversion.toThrift(cl)); |
| rowCount = rs.getRowsSize(); |
| partitionCount = Math.min(1, rowCount); |
| return true; |
| } |
| } |
| |
| private int fillRandom() |
| { |
| int c = 0; |
| PartitionIterator iterator = partitions.get(0); |
| while (iterator.hasNext()) |
| { |
| Row row = iterator.next(); |
| Object[] randomBufferRow = randomBuffer[c++]; |
| for (int i = 0 ; i < argumentIndex.length ; i++) |
| randomBufferRow[i] = row.get(argumentIndex[i]); |
| if (c >= randomBuffer.length) |
| break; |
| } |
| assert c > 0; |
| return c; |
| } |
| |
| BoundStatement bindArgs() |
| { |
| switch (argSelect) |
| { |
| case MULTIROW: |
| int c = fillRandom(); |
| for (int i = 0 ; i < argumentIndex.length ; i++) |
| { |
| int argIndex = argumentIndex[i]; |
| bindBuffer[i] = randomBuffer[argIndex < 0 ? 0 : random.nextInt(c)][i]; |
| } |
| return statement.bind(bindBuffer); |
| case SAMEROW: |
| return bindRow(partitions.get(0).next()); |
| default: |
| throw new IllegalStateException(); |
| } |
| } |
| |
| List<ByteBuffer> thriftArgs() |
| { |
| switch (argSelect) |
| { |
| case MULTIROW: |
| List<ByteBuffer> args = new ArrayList<>(); |
| int c = fillRandom(); |
| for (int i = 0 ; i < argumentIndex.length ; i++) |
| { |
| int argIndex = argumentIndex[i]; |
| args.add(spec.partitionGenerator.convert(argIndex, randomBuffer[argIndex < 0 ? 0 : random.nextInt(c)][i])); |
| } |
| return args; |
| case SAMEROW: |
| return thriftRowArgs(partitions.get(0).next()); |
| default: |
| throw new IllegalStateException(); |
| } |
| } |
| |
| @Override |
| public void run(JavaDriverClient client) throws IOException |
| { |
| timeWithRetry(new JavaDriverRun(client)); |
| } |
| |
| @Override |
| public void run(ThriftClient client) throws IOException |
| { |
| timeWithRetry(new ThriftRun(client)); |
| } |
| |
| } |