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*
* 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.
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package org.apache.hadoop.hbase.coprocessor;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.Collections;
import java.util.Map;
import java.util.TreeMap;
import org.apache.hadoop.hbase.client.Admin;
import org.apache.hadoop.hbase.client.Table;
import org.apache.hadoop.hbase.util.ByteStringer;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.HColumnDescriptor;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.MediumTests;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.HBaseAdmin;
import org.apache.hadoop.hbase.client.HTable;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.client.coprocessor.Batch;
import org.apache.hadoop.hbase.coprocessor.protobuf.generated.ColumnAggregationProtos;
import org.apache.hadoop.hbase.coprocessor.protobuf.generated.ColumnAggregationProtos.SumResponse;
import org.apache.hadoop.hbase.coprocessor.protobuf.generated.ColumnAggregationWithErrorsProtos;
import org.apache.hadoop.hbase.coprocessor.protobuf.generated.ColumnAggregationWithNullResponseProtos;
import org.apache.hadoop.hbase.coprocessor.protobuf.generated.ColumnAggregationWithNullResponseProtos.ColumnAggregationServiceNullResponse;
import org.apache.hadoop.hbase.util.Bytes;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import com.google.protobuf.ServiceException;
/**
* TestEndpoint: test cases to verify the batch execution of coprocessor Endpoint
*/
@Category(MediumTests.class)
public class TestBatchCoprocessorEndpoint {
private static final Log LOG = LogFactory.getLog(TestBatchCoprocessorEndpoint.class);
private static final TableName TEST_TABLE =
TableName.valueOf("TestTable");
private static final byte[] TEST_FAMILY = Bytes.toBytes("TestFamily");
private static final byte[] TEST_QUALIFIER = Bytes.toBytes("TestQualifier");
private static byte[] ROW = Bytes.toBytes("testRow");
private static final int ROWSIZE = 20;
private static final int rowSeperator1 = 5;
private static final int rowSeperator2 = 12;
private static byte[][] ROWS = makeN(ROW, ROWSIZE);
private static HBaseTestingUtility util = new HBaseTestingUtility();
@BeforeClass
public static void setupBeforeClass() throws Exception {
// set configure to indicate which cp should be loaded
Configuration conf = util.getConfiguration();
conf.setStrings(CoprocessorHost.REGION_COPROCESSOR_CONF_KEY,
org.apache.hadoop.hbase.coprocessor.ColumnAggregationEndpoint.class.getName(),
ProtobufCoprocessorService.class.getName(),
ColumnAggregationEndpointWithErrors.class.getName(),
ColumnAggregationEndpointNullResponse.class.getName());
conf.setStrings(CoprocessorHost.MASTER_COPROCESSOR_CONF_KEY,
ProtobufCoprocessorService.class.getName());
util.startMiniCluster(2);
Admin admin = new HBaseAdmin(conf);
HTableDescriptor desc = new HTableDescriptor(TEST_TABLE);
desc.addFamily(new HColumnDescriptor(TEST_FAMILY));
admin.createTable(desc, new byte[][]{ROWS[rowSeperator1], ROWS[rowSeperator2]});
util.waitUntilAllRegionsAssigned(TEST_TABLE);
admin.close();
Table table = new HTable(conf, TEST_TABLE);
for (int i = 0; i < ROWSIZE; i++) {
Put put = new Put(ROWS[i]);
put.add(TEST_FAMILY, TEST_QUALIFIER, Bytes.toBytes(i));
table.put(put);
}
table.close();
}
@AfterClass
public static void tearDownAfterClass() throws Exception {
util.shutdownMiniCluster();
}
@Test
public void testAggregationNullResponse() throws Throwable {
Table table = new HTable(util.getConfiguration(), TEST_TABLE);
ColumnAggregationWithNullResponseProtos.SumRequest.Builder builder =
ColumnAggregationWithNullResponseProtos.SumRequest
.newBuilder();
builder.setFamily(ByteStringer.wrap(TEST_FAMILY));
if (TEST_QUALIFIER != null && TEST_QUALIFIER.length > 0) {
builder.setQualifier(ByteStringer.wrap(TEST_QUALIFIER));
}
Map<byte[], ColumnAggregationWithNullResponseProtos.SumResponse> results =
table.batchCoprocessorService(
ColumnAggregationServiceNullResponse.getDescriptor().findMethodByName("sum"),
builder.build(), ROWS[0], ROWS[ROWS.length - 1],
ColumnAggregationWithNullResponseProtos.SumResponse.getDefaultInstance());
int sumResult = 0;
int expectedResult = 0;
for (Map.Entry<byte[], ColumnAggregationWithNullResponseProtos.SumResponse> e :
results.entrySet()) {
LOG.info("Got value " + e.getValue().getSum() + " for region "
+ Bytes.toStringBinary(e.getKey()));
sumResult += e.getValue().getSum();
}
for (int i = 0; i < rowSeperator2; i++) {
expectedResult += i;
}
assertEquals("Invalid result", expectedResult, sumResult);
table.close();
}
private static byte[][] makeN(byte[] base, int n) {
byte[][] ret = new byte[n][];
for (int i = 0; i < n; i++) {
ret[i] = Bytes.add(base, Bytes.toBytes(String.format("%02d", i)));
}
return ret;
}
private Map<byte[], SumResponse> sum(final Table table, final byte[] family,
final byte[] qualifier, final byte[] start, final byte[] end) throws ServiceException,
Throwable {
ColumnAggregationProtos.SumRequest.Builder builder = ColumnAggregationProtos.SumRequest
.newBuilder();
builder.setFamily(ByteStringer.wrap(family));
if (qualifier != null && qualifier.length > 0) {
builder.setQualifier(ByteStringer.wrap(qualifier));
}
return table.batchCoprocessorService(
ColumnAggregationProtos.ColumnAggregationService.getDescriptor().findMethodByName("sum"),
builder.build(), start, end, ColumnAggregationProtos.SumResponse.getDefaultInstance());
}
@Test
public void testAggregationWithReturnValue() throws Throwable {
Table table = new HTable(util.getConfiguration(), TEST_TABLE);
Map<byte[], SumResponse> results = sum(table, TEST_FAMILY, TEST_QUALIFIER, ROWS[0],
ROWS[ROWS.length - 1]);
int sumResult = 0;
int expectedResult = 0;
for (Map.Entry<byte[], SumResponse> e : results.entrySet()) {
LOG.info("Got value " + e.getValue().getSum() + " for region "
+ Bytes.toStringBinary(e.getKey()));
sumResult += e.getValue().getSum();
}
for (int i = 0; i < ROWSIZE; i++) {
expectedResult += i;
}
assertEquals("Invalid result", expectedResult, sumResult);
results.clear();
// scan: for region 2 and region 3
results = sum(table, TEST_FAMILY, TEST_QUALIFIER, ROWS[rowSeperator1],
ROWS[ROWS.length - 1]);
sumResult = 0;
expectedResult = 0;
for (Map.Entry<byte[], SumResponse> e : results.entrySet()) {
LOG.info("Got value " + e.getValue().getSum() + " for region "
+ Bytes.toStringBinary(e.getKey()));
sumResult += e.getValue().getSum();
}
for (int i = rowSeperator1; i < ROWSIZE; i++) {
expectedResult += i;
}
assertEquals("Invalid result", expectedResult, sumResult);
table.close();
}
@Test
public void testAggregation() throws Throwable {
Table table = new HTable(util.getConfiguration(), TEST_TABLE);
Map<byte[], SumResponse> results = sum(table, TEST_FAMILY, TEST_QUALIFIER,
ROWS[0], ROWS[ROWS.length - 1]);
int sumResult = 0;
int expectedResult = 0;
for (Map.Entry<byte[], SumResponse> e : results.entrySet()) {
LOG.info("Got value " + e.getValue().getSum() + " for region "
+ Bytes.toStringBinary(e.getKey()));
sumResult += e.getValue().getSum();
}
for (int i = 0; i < ROWSIZE; i++) {
expectedResult += i;
}
assertEquals("Invalid result", expectedResult, sumResult);
// scan: for region 2 and region 3
results = sum(table, TEST_FAMILY, TEST_QUALIFIER, ROWS[rowSeperator1], ROWS[ROWS.length - 1]);
sumResult = 0;
expectedResult = 0;
for (Map.Entry<byte[], SumResponse> e : results.entrySet()) {
LOG.info("Got value " + e.getValue().getSum() + " for region "
+ Bytes.toStringBinary(e.getKey()));
sumResult += e.getValue().getSum();
}
for (int i = rowSeperator1; i < ROWSIZE; i++) {
expectedResult += i;
}
assertEquals("Invalid result", expectedResult, sumResult);
table.close();
}
@Test
public void testAggregationWithErrors() throws Throwable {
Table table = new HTable(util.getConfiguration(), TEST_TABLE);
final Map<byte[], ColumnAggregationWithErrorsProtos.SumResponse> results =
Collections.synchronizedMap(
new TreeMap<byte[], ColumnAggregationWithErrorsProtos.SumResponse>(
Bytes.BYTES_COMPARATOR
));
ColumnAggregationWithErrorsProtos.SumRequest.Builder builder =
ColumnAggregationWithErrorsProtos.SumRequest
.newBuilder();
builder.setFamily(ByteStringer.wrap(TEST_FAMILY));
if (TEST_QUALIFIER != null && TEST_QUALIFIER.length > 0) {
builder.setQualifier(ByteStringer.wrap(TEST_QUALIFIER));
}
boolean hasError = false;
try {
table.batchCoprocessorService(
ColumnAggregationWithErrorsProtos.ColumnAggregationServiceWithErrors.getDescriptor()
.findMethodByName("sum"),
builder.build(), ROWS[0], ROWS[ROWS.length - 1],
ColumnAggregationWithErrorsProtos.SumResponse.getDefaultInstance(),
new Batch.Callback<ColumnAggregationWithErrorsProtos.SumResponse>() {
@Override
public void update(byte[] region, byte[] row,
ColumnAggregationWithErrorsProtos.SumResponse result) {
results.put(region, result);
}
});
} catch (Throwable t) {
LOG.info("Exceptions in coprocessor service", t);
hasError = true;
}
int sumResult = 0;
int expectedResult = 0;
for (Map.Entry<byte[], ColumnAggregationWithErrorsProtos.SumResponse> e : results.entrySet()) {
LOG.info("Got value " + e.getValue().getSum() + " for region "
+ Bytes.toStringBinary(e.getKey()));
sumResult += e.getValue().getSum();
}
for (int i = 0; i < rowSeperator2; i++) {
expectedResult += i;
}
assertEquals("Invalid result", expectedResult, sumResult);
assertTrue(hasError);
table.close();
}
}