    001    /*
    002     * Copyright (c) 2007-2014 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    import java.util.Collection;
    025
    026    import cascading.flow.FlowProcess;
    027    import cascading.management.annotation.Property;
    028    import cascading.management.annotation.PropertyDescription;
    029    import cascading.management.annotation.Visibility;
    030    import cascading.operation.ValueAssertion;
    031    import cascading.operation.ValueAssertionCall;
    032    import cascading.tuple.Tuple;
    033    import 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     */
    040    public 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      }