    001/*
    002 * Copyright (c) 2007-2016 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 AssertNotEquals asserts the number of constructor values is equal
    037 * to the number of argument values {@link cascading.tuple.Tuple} and each constructor value is not
    038 * {@code .equals()} to its corresponding argument value.
    039 */
    040public class AssertNotEquals extends BaseAssertion implements ValueAssertion
    041  {
    042  /** Field values */
    043  private Tuple values;
    044
    045  /**
    046   * Constructor AssertEquals creates a new AssertEquals instance.
    047   *
    048   * @param values of type Object...
    049   */
    050  @ConstructorProperties({"values"})
    051  public AssertNotEquals( Object... values )
    052    {
    053    // set to 1 if null, will fail immediately afterwards
    054    super( values == null ? 1 : values.length, "argument tuple: %s was not equal to values: %s" );
    055
    056    if( values == null )
    057      throw new IllegalArgumentException( "values may not be null" );
    058
    059    if( values.length == 0 )
    060      throw new IllegalArgumentException( "values may not be empty" );
    061
    062    this.values = new Tuple( values );
    063    }
    064
    065  @Property(name = "values", visibility = Visibility.PRIVATE)
    066  @PropertyDescription("The expected values.")
    067  public Collection getValues()
    068    {
    069    return Tuples.asCollection( values );
    070    }
    071
    072  @Override
    073  public void doAssert( FlowProcess flowProcess, ValueAssertionCall assertionCall )
    074    {
    075    Tuple tuple = assertionCall.getArguments().getTuple();
    076
    077    if( tuple.equals( values ) )
    078      fail( tuple.print(), values.print() );
    079    }
    080
    081  @Override
    082  public boolean equals( Object object )
    083    {
    084    if( this == object )
    085      return true;
    086    if( !( object instanceof AssertNotEquals ) )
    087      return false;
    088    if( !super.equals( object ) )
    089      return false;
    090
    091    AssertNotEquals that = (AssertNotEquals) object;
    092
    093    if( values != null ? !values.equals( that.values ) : that.values != null )
    094      return false;
    095
    096    return true;
    097    }
    098
    099  @Override
    100  public int hashCode()
    101    {
    102    int result = super.hashCode();
    103    result = 31 * result + ( values != null ? values.hashCode() : 0 );
    104    return result;
    105    }
    106  }