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 java.util.Set; 021import java.util.TreeSet; 022import junit.framework.TestCase; 023import org.apache.hadoop.hbase.HBaseClassTestRule; 024import org.apache.hadoop.hbase.KeyValue; 025import org.apache.hadoop.hbase.testclassification.FilterTests; 026import org.apache.hadoop.hbase.testclassification.SmallTests; 027import org.apache.hadoop.hbase.util.Bytes; 028import org.junit.ClassRule; 029import org.junit.experimental.categories.Category; 030 031@SuppressWarnings("deprecation") 032@Category({FilterTests.class, SmallTests.class}) 033public class TestFirstKeyValueMatchingQualifiersFilter extends TestCase { 034 035 @ClassRule 036 public static final HBaseClassTestRule CLASS_RULE = 037 HBaseClassTestRule.forClass(TestFirstKeyValueMatchingQualifiersFilter.class); 038 039 private static final byte[] ROW = Bytes.toBytes("test"); 040 private static final byte[] COLUMN_FAMILY = Bytes.toBytes("test"); 041 private static final byte[] COLUMN_QUALIFIER_1 = Bytes.toBytes("foo"); 042 private static final byte[] COLUMN_QUALIFIER_2 = Bytes.toBytes("foo_2"); 043 private static final byte[] COLUMN_QUALIFIER_3 = Bytes.toBytes("foo_3"); 044 private static final byte[] VAL_1 = Bytes.toBytes("a"); 045 046 /** 047 * Test the functionality of 048 * {@link FirstKeyValueMatchingQualifiersFilter#filterCell(org.apache.hadoop.hbase.Cell)} 049 * 050 * @throws Exception 051 */ 052 public void testFirstKeyMatchingQualifierFilter() throws Exception { 053 Set<byte[]> quals = new TreeSet<>(Bytes.BYTES_COMPARATOR); 054 quals.add(COLUMN_QUALIFIER_1); 055 quals.add(COLUMN_QUALIFIER_2); 056 Filter filter = new FirstKeyValueMatchingQualifiersFilter(quals); 057 058 // Match in first attempt 059 KeyValue cell; 060 cell = new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER_1, VAL_1); 061 assertTrue("includeAndSetFlag", 062 filter.filterCell(cell) == Filter.ReturnCode.INCLUDE); 063 cell = new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER_2, VAL_1); 064 assertTrue("flagIsSetSkipToNextRow", 065 filter.filterCell(cell) == Filter.ReturnCode.NEXT_ROW); 066 067 // A mismatch in first attempt and match in second attempt. 068 filter.reset(); 069 cell = new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER_3, VAL_1); 070 System.out.println(filter.filterCell(cell)); 071 assertTrue("includeFlagIsUnset", 072 filter.filterCell(cell) == Filter.ReturnCode.INCLUDE); 073 cell = new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER_2, VAL_1); 074 assertTrue("includeAndSetFlag", 075 filter.filterCell(cell) == Filter.ReturnCode.INCLUDE); 076 cell = new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER_1, VAL_1); 077 assertTrue("flagIsSetSkipToNextRow", 078 filter.filterCell(cell) == Filter.ReturnCode.NEXT_ROW); 079 } 080 081}