joinmemorytest.java

drools 一个开放源码的规则引擎

package org.drools.reteoo;

/*
 * $Id: JoinMemoryTest.java,v 1.10 2005/05/08 04:05:13 dbarnett Exp $
 *
 * Copyright 2001-2005 (C) The Werken Company. All Rights Reserved.
 *
 * Redistribution and use of this software and associated documentation
 * ("Software"), with or without modification, are permitted provided that the
 * following conditions are met:
 *
 * 1. Redistributions of source code must retain copyright statements and
 * notices. Redistributions must also contain a copy of this document.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. The name "drools" must not be used to endorse or promote products derived
 * from this Software without prior written permission of The Werken Company.
 * For written permission, please contact [e-mail].
 *
 * 4. Products derived from this Software may not be called "drools" nor may
 * "drools" appear in their names without prior written permission of The Werken
 * Company. "drools" is a registered trademark of The Werken Company.
 *
 * 5. Due credit should be given to The Werken Company.
 * (http://drools.werken.com/).
 *
 * THIS SOFTWARE IS PROVIDED BY THE WERKEN COMPANY AND CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE WERKEN COMPANY OR ITS CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 */

import junit.framework.TestCase;

public class JoinMemoryTest extends TestCase
{
    public void testNothing()
    {
    }

    /*
     * private Declaration joinDecl1; private Declaration joinDecl2;
     * 
     * private ReteTuple tuple1; private ReteTuple tuple2; private ReteTuple
     * tuple3; private ReteTuple tuple4;
     * 
     * private MockTupleSource leftInput1; private MockTupleSource rightInput1;
     * 
     * private JoinNode oneColumnJoinNode; private JoinMemory
     * oneColumnJoinMemory;
     * 
     * private MockTupleSource leftInput2; private MockTupleSource rightInput2;
     * 
     * private JoinNode twoColumnJoinNode; private JoinMemory
     * twoColumnJoinMemory;
     * 
     * public void setUp() { this.joinDecl1 = new Declaration( new
     * MockObjectType(), "one" );
     * 
     * this.joinDecl2 = new Declaration( new MockObjectType(), "two" );
     * 
     * this.tuple1 = new ReteTuple(); this.tuple2 = new ReteTuple(); this.tuple3 =
     * new ReteTuple(); this.tuple4 = new ReteTuple();
     *  // | cheese | toast | this.tuple1.putOtherColumn( this.joinDecl1,
     * "one-cheese" );
     * 
     * this.tuple1.putOtherColumn( this.joinDecl2, "two-toast" );
     *  // | cheese | sneeze | this.tuple2.putOtherColumn( this.joinDecl1,
     * "one-cheese" );
     * 
     * this.tuple2.putOtherColumn( this.joinDecl2, "two-sneeze" );
     *  // | toast | sneeze | this.tuple3.putOtherColumn( this.joinDecl1,
     * "one-toast" );
     * 
     * this.tuple3.putOtherColumn( this.joinDecl2, "two-sneeze" );
     *  // | cheese | sneeze | this.tuple4.putOtherColumn( this.joinDecl1,
     * "one-cheese" );
     * 
     * this.tuple4.putOtherColumn( this.joinDecl2, "two-sneeze" );
     *  // ----------------------------------------
     * 
     * this.leftInput1 = new MockTupleSource(); this.rightInput1 = new
     * MockTupleSource();
     * 
     * this.leftInput1.addTupleDeclaration( this.joinDecl1 );
     * this.rightInput1.addTupleDeclaration( this.joinDecl1 );
     * 
     * this.oneColumnJoinNode = new JoinNode( this.leftInput1, this.rightInput1 );
     * 
     * this.oneColumnJoinMemory = new JoinMemory( this.oneColumnJoinNode );
     *  // ----------------------------------------
     * 
     * this.leftInput2 = new MockTupleSource(); this.rightInput2 = new
     * MockTupleSource();
     * 
     * this.leftInput2.addTupleDeclaration( this.joinDecl1 );
     * this.leftInput2.addTupleDeclaration( this.joinDecl2 );
     * this.rightInput2.addTupleDeclaration( this.joinDecl1 );
     * this.rightInput2.addTupleDeclaration( this.joinDecl2 );
     * 
     * this.twoColumnJoinNode = new JoinNode( this.leftInput2, this.rightInput2 );
     * 
     * this.twoColumnJoinMemory = new JoinMemory( this.twoColumnJoinNode );
     *  }
     * 
     * public void tearDown() { this.joinDecl1 = null; this.joinDecl2 = null; }
     */

    /**
     * If two Tuples having multiple common join columns contain the same values
     * in thoses columns, then a new joined tuple MUST be created an returned.
     */
    /*
     * public void testMultiColumnAttemptJoinSingleTuple() { ReteTuple tuple =
     * null;
     *  // ----------------------------------------
     * 
     * tuple = this.twoColumnJoinMemory.attemptJoin( this.tuple1, this.tuple2 );
     * 
     * assertNull( tuple );
     *  // ----------------------------------------
     * 
     * tuple = this.twoColumnJoinMemory.attemptJoin( this.tuple1, this.tuple3 );
     * 
     * assertNull( tuple );
     *  // ----------------------------------------
     * 
     * tuple = this.twoColumnJoinMemory.attemptJoin( this.tuple1, this.tuple4 );
     * 
     * assertNull( tuple );
     *  // ----------------------------------------
     * 
     * tuple = this.twoColumnJoinMemory.attemptJoin( this.tuple2, this.tuple4 );
     * 
     * assertNotNull( tuple );
     * 
     * assertEquals( "one-cheese", tuple.get( this.joinDecl1 ) );
     * 
     * assertEquals( "two-sneeze", tuple.get( this.joinDecl2 ) ); }
     */

    /**
     * If two Tuples having a common join column contain the same values in that
     * column, then a new joined tuple MUST be created an returned.
     */
    /*
     * public void testSingleColumnAttemptJoinSingleTuple() { ReteTuple tuple =
     * null;
     *  // ----------------------------------------
     * 
     * tuple = this.oneColumnJoinMemory.attemptJoin( this.tuple1, this.tuple2 );
     * 
     * assertNotNull( tuple );
     * 
     * assertEquals( "one-cheese", tuple.get( this.joinDecl1 ) );
     *  // ----------------------------------------
     * 
     * tuple = this.oneColumnJoinMemory.attemptJoin( this.tuple1, this.tuple3 );
     * 
     * assertNull( tuple );
     *  // ----------------------------------------
     * 
     * tuple = this.oneColumnJoinMemory.attemptJoin( this.tuple1, this.tuple4 );
     * 
     * assertNotNull( tuple );
     * 
     * assertEquals( "one-cheese", tuple.get( this.joinDecl1 ) );
     *  // ----------------------------------------
     * 
     * tuple = this.oneColumnJoinMemory.attemptJoin( this.tuple2, this.tuple3 );
     * 
     * assertNull( tuple );
     *  // ----------------------------------------
     * 
     * tuple = this.oneColumnJoinMemory.attemptJoin( this.tuple2, this.tuple4 );
     * 
     * assertNotNull( tuple );
     * 
     * assertEquals( "one-cheese", tuple.get( this.joinDecl1 ) ); }
     */

    /**
     * A Tuple added to one side of the memory MUST attempt a join against all
     * tuples in the other side memory, returning all successfully joined
     * tuples.
     */
    /*
     * public void testAddTuples() { Set joined = null;
     * 
     * joined = this.oneColumnJoinMemory.addLeftTuple( this.tuple1 );
     * 
     * assertEquals( 0, joined.size() );
     * 
     * joined = this.oneColumnJoinMemory.addRightTuple( this.tuple2 );
     * 
     * assertEquals( 1, joined.size() );
     * 
     * joined = this.oneColumnJoinMemory.addLeftTuple( this.tuple2 );
     * 
     * assertEquals( 1, joined.size() );
     * 
     * assertEquals( 2, this.oneColumnJoinMemory.getLeftTuples().size() );
     * 
     * assertEquals( 1, this.oneColumnJoinMemory.getRightTuples().size() ); }
     */
}