/*
* 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.accumulo.test.continuous;
import java.util.Map.Entry;
import java.util.Random;
import org.apache.accumulo.core.Constants;
import org.apache.accumulo.core.cli.ScannerOpts;
import org.apache.accumulo.core.client.Connector;
import org.apache.accumulo.core.client.Scanner;
import org.apache.accumulo.core.data.Key;
import org.apache.accumulo.core.data.Range;
import org.apache.accumulo.core.data.Value;
import org.apache.accumulo.test.continuous.ContinuousIngest.BaseOpts;
import org.apache.hadoop.io.Text;
import com.beust.jcommander.Parameter;
public class ContinuousQuery {
public static class Opts extends BaseOpts {
@Parameter(names="--sleep", description="the time to wait between queries", converter=TimeConverter.class)
long sleepTime = 100;
}
public static void main(String[] args) throws Exception {
Opts opts = new Opts();
ScannerOpts scanOpts = new ScannerOpts();
opts.parseArgs(ContinuousQuery.class.getName(), args, scanOpts);
Connector conn = opts.getConnector();
Scanner scanner = conn.createScanner(opts.getTableName(), opts.auths);
scanner.setBatchSize(scanOpts.scanBatchSize);
Random r = new Random();
while (true) {
byte[] row = ContinuousIngest.genRow(opts.min, opts.max, r);
int count = 0;
long t1 = System.currentTimeMillis();
scanner.setRange(new Range(new Text(row)));
for (Entry<Key,Value> entry : scanner) {
ContinuousWalk.validate(entry.getKey(), entry.getValue());
count++;
}
long t2 = System.currentTimeMillis();
System.out.printf("SRQ %d %s %d %d%n", t1, new String(row, Constants.UTF8), (t2 - t1), count);
if (opts.sleepTime > 0)
Thread.sleep(opts.sleepTime);
}
}
}