001/* 002 * Copyright (c) 2007-2015 Concurrent, Inc. All Rights Reserved. 003 * 004 * Project and contact information: http://www.cascading.org/ 005 * 006 * This file is part of the Cascading project. 007 * 008 * Licensed under the Apache License, Version 2.0 (the "License"); 009 * you may not use this file except in compliance with the License. 010 * You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, software 015 * distributed under the License is distributed on an "AS IS" BASIS, 016 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 017 * See the License for the specific language governing permissions and 018 * limitations under the License. 019 */ 020 021package cascading.operation.assertion; 022 023import java.beans.ConstructorProperties; 024import java.util.Collection; 025 026import cascading.flow.FlowProcess; 027import cascading.management.annotation.Property; 028import cascading.management.annotation.PropertyDescription; 029import cascading.management.annotation.Visibility; 030import cascading.operation.ValueAssertion; 031import cascading.operation.ValueAssertionCall; 032import cascading.tuple.Tuple; 033import cascading.tuple.Tuples; 034 035/** 036 * Class AssertEquals asserts the number of constructor values is equal 037 * to the number of argument values {@link Tuple} and each constructor value is {@code .equals()} to its corresponding argument value. 038 */ 039public class AssertEquals extends BaseAssertion implements ValueAssertion 040 { 041 /** Field values */ 042 private Tuple values; 043 044 /** 045 * Constructor AssertEquals creates a new AssertEquals instance. 046 * 047 * @param values of type Object... 048 */ 049 @ConstructorProperties({"values"}) 050 public AssertEquals( Object... values ) 051 { 052 // set to 1 if null, will fail immediately afterwards 053 super( values == null ? 1 : values.length, "argument tuple: %s was not equal to values: %s" ); 054 055 if( values == null ) 056 throw new IllegalArgumentException( "values may not be null" ); 057 058 if( values.length == 0 ) 059 throw new IllegalArgumentException( "values may not be empty" ); 060 061 this.values = new Tuple( values ); 062 } 063 064 @Property(name = "values", visibility = Visibility.PRIVATE) 065 @PropertyDescription("The expected values.") 066 public Collection getValues() 067 { 068 return Tuples.asCollection( values ); 069 } 070 071 @Override 072 public void doAssert( FlowProcess flowProcess, ValueAssertionCall assertionCall ) 073 { 074 Tuple tuple = assertionCall.getArguments().getTuple(); 075 076 if( !tuple.equals( values ) ) 077 fail( tuple.print(), values.print() ); 078 } 079 080 @Override 081 public boolean equals( Object object ) 082 { 083 if( this == object ) 084 return true; 085 if( !( object instanceof AssertEquals ) ) 086 return false; 087 if( !super.equals( object ) ) 088 return false; 089 090 AssertEquals that = (AssertEquals) object; 091 092 if( values != null ? !values.equals( that.values ) : that.values != null ) 093 return false; 094 095 return true; 096 } 097 098 @Override 099 public int hashCode() 100 { 101 int result = super.hashCode(); 102 result = 31 * result + ( values != null ? values.hashCode() : 0 ); 103 return result; 104 } 105 }