001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.apache.hadoop.hbase.filter; 019 020import static org.junit.Assert.assertTrue; 021 022import java.util.Set; 023import java.util.TreeSet; 024import org.apache.hadoop.hbase.HBaseClassTestRule; 025import org.apache.hadoop.hbase.KeyValue; 026import org.apache.hadoop.hbase.testclassification.FilterTests; 027import org.apache.hadoop.hbase.testclassification.SmallTests; 028import org.apache.hadoop.hbase.util.Bytes; 029import org.junit.ClassRule; 030import org.junit.experimental.categories.Category; 031 032@SuppressWarnings("deprecation") 033@Category({ FilterTests.class, SmallTests.class }) 034public class TestFirstKeyValueMatchingQualifiersFilter { 035 036 @ClassRule 037 public static final HBaseClassTestRule CLASS_RULE = 038 HBaseClassTestRule.forClass(TestFirstKeyValueMatchingQualifiersFilter.class); 039 040 private static final byte[] ROW = Bytes.toBytes("test"); 041 private static final byte[] COLUMN_FAMILY = Bytes.toBytes("test"); 042 private static final byte[] COLUMN_QUALIFIER_1 = Bytes.toBytes("foo"); 043 private static final byte[] COLUMN_QUALIFIER_2 = Bytes.toBytes("foo_2"); 044 private static final byte[] COLUMN_QUALIFIER_3 = Bytes.toBytes("foo_3"); 045 private static final byte[] VAL_1 = Bytes.toBytes("a"); 046 047 /** 048 * Test the functionality of 049 * {@link FirstKeyValueMatchingQualifiersFilter#filterCell(org.apache.hadoop.hbase.Cell)} 050 */ 051 public void testFirstKeyMatchingQualifierFilter() throws Exception { 052 Set<byte[]> quals = new TreeSet<>(Bytes.BYTES_COMPARATOR); 053 quals.add(COLUMN_QUALIFIER_1); 054 quals.add(COLUMN_QUALIFIER_2); 055 Filter filter = new FirstKeyValueMatchingQualifiersFilter(quals); 056 057 // Match in first attempt 058 KeyValue cell; 059 cell = new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER_1, VAL_1); 060 assertTrue("includeAndSetFlag", filter.filterCell(cell) == Filter.ReturnCode.INCLUDE); 061 cell = new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER_2, VAL_1); 062 assertTrue("flagIsSetSkipToNextRow", filter.filterCell(cell) == Filter.ReturnCode.NEXT_ROW); 063 064 // A mismatch in first attempt and match in second attempt. 065 filter.reset(); 066 cell = new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER_3, VAL_1); 067 System.out.println(filter.filterCell(cell)); 068 assertTrue("includeFlagIsUnset", filter.filterCell(cell) == Filter.ReturnCode.INCLUDE); 069 cell = new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER_2, VAL_1); 070 assertTrue("includeAndSetFlag", filter.filterCell(cell) == Filter.ReturnCode.INCLUDE); 071 cell = new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER_1, VAL_1); 072 assertTrue("flagIsSetSkipToNextRow", filter.filterCell(cell) == Filter.ReturnCode.NEXT_ROW); 073 } 074 075}