| /** |
| * 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.hadoop.hbase.client; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertSame; |
| |
| import java.io.IOException; |
| import java.util.Arrays; |
| import org.apache.hadoop.hbase.Cell; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.KeyValue; |
| import org.apache.hadoop.hbase.testclassification.ClientTests; |
| import org.apache.hadoop.hbase.testclassification.SmallTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| @Category({ SmallTests.class, ClientTests.class }) |
| public class TestCompleteResultScanResultCache { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestCompleteResultScanResultCache.class); |
| |
| private static byte[] CF = Bytes.toBytes("cf"); |
| |
| private static byte[] CQ1 = Bytes.toBytes("cq1"); |
| |
| private static byte[] CQ2 = Bytes.toBytes("cq2"); |
| |
| private static byte[] CQ3 = Bytes.toBytes("cq3"); |
| |
| private CompleteScanResultCache resultCache; |
| |
| @Before |
| public void setUp() { |
| resultCache = new CompleteScanResultCache(); |
| } |
| |
| @After |
| public void tearDown() { |
| resultCache.clear(); |
| resultCache = null; |
| } |
| |
| private static Cell createCell(int key, byte[] cq) { |
| return new KeyValue(Bytes.toBytes(key), CF, cq, Bytes.toBytes(key)); |
| } |
| |
| @Test |
| public void testNoPartial() throws IOException { |
| assertSame(ScanResultCache.EMPTY_RESULT_ARRAY, |
| resultCache.addAndGet(ScanResultCache.EMPTY_RESULT_ARRAY, false)); |
| assertSame(ScanResultCache.EMPTY_RESULT_ARRAY, |
| resultCache.addAndGet(ScanResultCache.EMPTY_RESULT_ARRAY, true)); |
| int count = 10; |
| Result[] results = new Result[count]; |
| for (int i = 0; i < count; i++) { |
| results[i] = Result.create(Arrays.asList(createCell(i, CQ1))); |
| } |
| assertSame(results, resultCache.addAndGet(results, false)); |
| } |
| |
| @Test |
| public void testCombine1() throws IOException { |
| Result previousResult = Result.create(Arrays.asList(createCell(0, CQ1)), null, false, true); |
| Result result1 = Result.create(Arrays.asList(createCell(1, CQ1)), null, false, true); |
| Result result2 = Result.create(Arrays.asList(createCell(1, CQ2)), null, false, true); |
| Result result3 = Result.create(Arrays.asList(createCell(1, CQ3)), null, false, true); |
| Result[] results = resultCache.addAndGet(new Result[] { previousResult, result1 }, false); |
| assertEquals(1, results.length); |
| assertSame(previousResult, results[0]); |
| |
| assertEquals(0, resultCache.addAndGet(new Result[] { result2 }, false).length); |
| assertEquals(0, resultCache.addAndGet(new Result[] { result3 }, false).length); |
| assertEquals(0, resultCache.addAndGet(new Result[0], true).length); |
| |
| results = resultCache.addAndGet(new Result[0], false); |
| assertEquals(1, results.length); |
| assertEquals(1, Bytes.toInt(results[0].getRow())); |
| assertEquals(3, results[0].rawCells().length); |
| assertEquals(1, Bytes.toInt(results[0].getValue(CF, CQ1))); |
| assertEquals(1, Bytes.toInt(results[0].getValue(CF, CQ2))); |
| assertEquals(1, Bytes.toInt(results[0].getValue(CF, CQ3))); |
| } |
| |
| @Test |
| public void testCombine2() throws IOException { |
| Result result1 = Result.create(Arrays.asList(createCell(1, CQ1)), null, false, true); |
| Result result2 = Result.create(Arrays.asList(createCell(1, CQ2)), null, false, true); |
| Result result3 = Result.create(Arrays.asList(createCell(1, CQ3)), null, false, true); |
| Result nextResult1 = Result.create(Arrays.asList(createCell(2, CQ1)), null, false, true); |
| Result nextToNextResult1 = Result.create(Arrays.asList(createCell(3, CQ2)), null, false, false); |
| |
| assertEquals(0, resultCache.addAndGet(new Result[] { result1 }, false).length); |
| assertEquals(0, resultCache.addAndGet(new Result[] { result2 }, false).length); |
| assertEquals(0, resultCache.addAndGet(new Result[] { result3 }, false).length); |
| |
| Result[] results = resultCache.addAndGet(new Result[] { nextResult1 }, false); |
| assertEquals(1, results.length); |
| assertEquals(1, Bytes.toInt(results[0].getRow())); |
| assertEquals(3, results[0].rawCells().length); |
| assertEquals(1, Bytes.toInt(results[0].getValue(CF, CQ1))); |
| assertEquals(1, Bytes.toInt(results[0].getValue(CF, CQ2))); |
| assertEquals(1, Bytes.toInt(results[0].getValue(CF, CQ3))); |
| |
| results = resultCache.addAndGet(new Result[] { nextToNextResult1 }, false); |
| assertEquals(2, results.length); |
| assertEquals(2, Bytes.toInt(results[0].getRow())); |
| assertEquals(1, results[0].rawCells().length); |
| assertEquals(2, Bytes.toInt(results[0].getValue(CF, CQ1))); |
| assertEquals(3, Bytes.toInt(results[1].getRow())); |
| assertEquals(1, results[1].rawCells().length); |
| assertEquals(3, Bytes.toInt(results[1].getValue(CF, CQ2))); |
| } |
| |
| @Test |
| public void testCombine3() throws IOException { |
| Result result1 = Result.create(Arrays.asList(createCell(1, CQ1)), null, false, true); |
| Result result2 = Result.create(Arrays.asList(createCell(1, CQ2)), null, false, true); |
| Result nextResult1 = Result.create(Arrays.asList(createCell(2, CQ1)), null, false, false); |
| Result nextToNextResult1 = Result.create(Arrays.asList(createCell(3, CQ1)), null, false, true); |
| |
| assertEquals(0, resultCache.addAndGet(new Result[] { result1 }, false).length); |
| assertEquals(0, resultCache.addAndGet(new Result[] { result2 }, false).length); |
| |
| Result[] results = |
| resultCache.addAndGet(new Result[] { nextResult1, nextToNextResult1 }, false); |
| assertEquals(2, results.length); |
| assertEquals(1, Bytes.toInt(results[0].getRow())); |
| assertEquals(2, results[0].rawCells().length); |
| assertEquals(1, Bytes.toInt(results[0].getValue(CF, CQ1))); |
| assertEquals(1, Bytes.toInt(results[0].getValue(CF, CQ2))); |
| assertEquals(2, Bytes.toInt(results[1].getRow())); |
| assertEquals(1, results[1].rawCells().length); |
| assertEquals(2, Bytes.toInt(results[1].getValue(CF, CQ1))); |
| |
| results = resultCache.addAndGet(new Result[0], false); |
| assertEquals(1, results.length); |
| assertEquals(3, Bytes.toInt(results[0].getRow())); |
| assertEquals(1, results[0].rawCells().length); |
| assertEquals(3, Bytes.toInt(results[0].getValue(CF, CQ1))); |
| } |
| |
| @Test |
| public void testCombine4() throws IOException { |
| Result result1 = Result.create(Arrays.asList(createCell(1, CQ1)), null, false, true); |
| Result result2 = Result.create(Arrays.asList(createCell(1, CQ2)), null, false, false); |
| Result nextResult1 = Result.create(Arrays.asList(createCell(2, CQ1)), null, false, true); |
| Result nextResult2 = Result.create(Arrays.asList(createCell(2, CQ2)), null, false, false); |
| |
| assertEquals(0, resultCache.addAndGet(new Result[] { result1 }, false).length); |
| |
| Result[] results = resultCache.addAndGet(new Result[] { result2, nextResult1 }, false); |
| assertEquals(1, results.length); |
| assertEquals(1, Bytes.toInt(results[0].getRow())); |
| assertEquals(2, results[0].rawCells().length); |
| assertEquals(1, Bytes.toInt(results[0].getValue(CF, CQ1))); |
| assertEquals(1, Bytes.toInt(results[0].getValue(CF, CQ2))); |
| |
| results = resultCache.addAndGet(new Result[] { nextResult2 }, false); |
| assertEquals(1, results.length); |
| assertEquals(2, Bytes.toInt(results[0].getRow())); |
| assertEquals(2, results[0].rawCells().length); |
| assertEquals(2, Bytes.toInt(results[0].getValue(CF, CQ1))); |
| assertEquals(2, Bytes.toInt(results[0].getValue(CF, CQ2))); |
| } |
| } |