    001/*
    002 * Copyright (c) 2007-2017 Xplenty, 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;
    024
    025import cascading.flow.FlowProcess;
    026import cascading.management.annotation.Property;
    027import cascading.management.annotation.PropertyDescription;
    028import cascading.management.annotation.Visibility;
    029import cascading.operation.ValueAssertion;
    030import cascading.operation.ValueAssertionCall;
    031import 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 */
    037public 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  }