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    
021    package cascading.operation.assertion;
022    
023    import java.beans.ConstructorProperties;
024    
025    import cascading.flow.FlowProcess;
026    import cascading.management.annotation.Property;
027    import cascading.management.annotation.PropertyDescription;
028    import cascading.management.annotation.Visibility;
029    import cascading.operation.ValueAssertion;
030    import cascading.operation.ValueAssertionCall;
031    import cascading.tuple.TupleEntry;
032    
033    /**
034     * Class AssertEqualsAll asserts that every value in the argument values {@link cascading.tuple.Tuple} is equal to the value
035     * provided on the constructor.
036     */
037    public class AssertEqualsAll extends BaseAssertion implements ValueAssertion
038      {
039      /** Field value */
040      private Object value;
041    
042      /**
043       * Constructor AssertEqualsAll creates a new AssertEqualsAll instance.
044       *
045       * @param value of type Comparable
046       */
047      @ConstructorProperties({"value"})
048      public AssertEqualsAll( Object value )
049        {
050        super( "argument '%s' value was: %s, not: %s, in tuple: %s" );
051    
052        if( value == null )
053          throw new IllegalArgumentException( "value may not be null" );
054    
055        this.value = value;
056        }
057    
058      @Property(name = "value", visibility = Visibility.PRIVATE)
059      @PropertyDescription("The expected value.")
060      public Object getValue()
061        {
062        return value;
063        }
064    
065      @Override
066      public void doAssert( FlowProcess flowProcess, ValueAssertionCall assertionCall )
067        {
068        TupleEntry input = assertionCall.getArguments();
069        int pos = 0;
070    
071        for( Object element : input.getTuple() )
072          {
073          if( !value.equals( element ) )
074            fail( input.getFields().get( pos ), element, value, input.getTuple().print() );
075    
076          pos++;
077          }
078        }
079    
080      @Override
081      public boolean equals( Object object )
082        {
083        if( this == object )
084          return true;
085        if( !( object instanceof AssertEqualsAll ) )
086          return false;
087        if( !super.equals( object ) )
088          return false;
089    
090        AssertEqualsAll that = (AssertEqualsAll) object;
091    
092        if( value != null ? !value.equals( that.value ) : that.value != 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 + ( value != null ? value.hashCode() : 0 );
103        return result;
104        }
105      }