Package org.drools.spi

Examples of org.drools.spi.Tuple

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     * @param activation The activation from which the declarations should be extracted
     * @return A String represetation of the declarations of the activation.
     */
    private String extractDeclarations(final Activation activation,  final WorkingMemory workingMemory) {
        final StringBuilder result = new StringBuilder();
        final Tuple tuple = activation.getTuple();
        final Map<?, ?> declarations = activation.getSubRule().getOuterDeclarations();
        for ( Iterator<?> it = declarations.values().iterator(); it.hasNext(); ) {
            final Declaration declaration = (Declaration) it.next();
            final FactHandle handle = tuple.get( declaration );
            if ( handle instanceof InternalFactHandle ) {
                final InternalFactHandle handleImpl = (InternalFactHandle) handle;
                if ( handleImpl.getId() == -1 ) {
                    // This handle is now invalid, probably due to an fact retraction
                    continue;
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     * @return A unique id for the activation
     */
    private static String getActivationId(final Activation activation) {
        final StringBuilder result = new StringBuilder( activation.getRule().getName() );
        result.append( " [" );
        final Tuple tuple = activation.getTuple();
        final FactHandle[] handles = tuple.getFactHandles();
        for ( int i = 0; i < handles.length; i++ ) {
            result.append( ((InternalFactHandle) handles[i]).getId() );
            if ( i < handles.length - 1 ) {
                result.append( ", " );
            }
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     * @param activation The activation from which the declarations should be extracted
     * @return A String represetation of the declarations of the activation.
     */
    private String extractDeclarations(final Activation activation,  final WorkingMemory workingMemory) {
        final StringBuilder result = new StringBuilder();
        final Tuple tuple = activation.getTuple();
        final Map<?, ?> declarations = activation.getSubRule().getOuterDeclarations();
        for ( Iterator<?> it = declarations.values().iterator(); it.hasNext(); ) {
            final Declaration declaration = (Declaration) it.next();
            final FactHandle handle = tuple.get( declaration );
            if ( handle instanceof InternalFactHandle ) {
                final InternalFactHandle handleImpl = (InternalFactHandle) handle;
                if ( handleImpl.getId() == -1 ) {
                    // This handle is now invalid, probably due to an fact retraction
                    continue;
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     * @return A unique id for the activation
     */
    private static String getActivationId(final Activation activation) {
        final StringBuilder result = new StringBuilder( activation.getRule().getName() );
        result.append( " [" );
        final Tuple tuple = activation.getTuple();
        final FactHandle[] handles = tuple.getFactHandles();
        for ( int i = 0; i < handles.length; i++ ) {
            result.append( ((InternalFactHandle) handles[i]).getId() );
            if ( i < handles.length - 1 ) {
                result.append( ", " );
            }
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                              workingMemory );

        final List asserted = sink.getAsserted();
        assertEquals( 1,
                      asserted.size() );
        Tuple tuple = (Tuple) ((Object[]) asserted.get( 0 ))[0];
        assertSame( person2,
                    tuple.getFactHandles()[1].getObject() );
        assertSame( cheese1,
                    tuple.getFactHandles()[0].getObject() );

        cheese2.setType( "stilton" );
        final Person person3 = new Person( "xxx2",
                                           30 );
        final FactHandle person3Handle = workingMemory.insert( person3 );
        final LeftTuple tuple3 = new LeftTuple( (DefaultFactHandle) person3Handle,
                                                from,
                                                true );
        from.assertLeftTuple( tuple3,
                              context,
                              workingMemory );

        assertEquals( 3,
                      asserted.size() );
        tuple = (Tuple) ((Object[]) asserted.get( 1 ))[0];
        assertSame( person3,
                    tuple.getFactHandles()[1].getObject() );
        assertSame( cheese1,
                    tuple.getFactHandles()[0].getObject() );
        tuple = (Tuple) ((Object[]) asserted.get( 2 ))[0];
        assertSame( person3,
                    tuple.getFactHandles()[1].getObject() );
        assertSame( cheese2,
                    tuple.getFactHandles()[0].getObject() );

        assertNotSame( cheese1,
                       cheese2 );
    }
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                              workingMemory );

        final List asserted = sink.getAsserted();
        assertEquals( 1,
                      asserted.size() );
        Tuple tuple = (Tuple) ((Object[]) asserted.get( 0 ))[0];
        assertSame( person2,
                    tuple.getFactHandles()[1].getObject() );
        assertSame( cheese1,
                    tuple.getFactHandles()[0].getObject() );

        cheese2.setPrice( 30 );
        final Person person3 = new Person( "xxx2",
                                           30 );
        final FactHandle person3Handle = workingMemory.insert( person3 );
        final LeftTuple tuple3 = new LeftTuple( (DefaultFactHandle) person3Handle,
                                                from,
                                                true );
        from.assertLeftTuple( tuple3,
                              context,
                              workingMemory );

        assertEquals( 3,
                      asserted.size() );
        tuple = (Tuple) ((Object[]) asserted.get( 1 ))[0];
        assertSame( person3,
                    tuple.getFactHandles()[1].getObject() );
        assertSame( cheese1,
                    tuple.getFactHandles()[0].getObject() );
        tuple = (Tuple) ((Object[]) asserted.get( 2 ))[0];
        assertSame( person3,
                    tuple.getFactHandles()[1].getObject() );
        assertSame( cheese2,
                    tuple.getFactHandles()[0].getObject() );

        assertNotSame( cheese1,
                       cheese2 );
    }
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                              workingMemory );

        final List asserted = sink.getAsserted();
        assertLength( 1,
                      asserted );
        final Tuple tuple0 = (Tuple) ((Object[]) asserted.get( 0 ))[0];
        assertSame( string1,
                    workingMemory.getObject( tuple0.get( 0 ) ) );

    }
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                              workingMemory );

        final List asserted = sink.getAsserted();
        assertLength( 1,
                      asserted );
        final Tuple tuple0 = (Tuple) ((Object[]) asserted.get( 0 ))[0];
        assertSame( string1,
                    workingMemory.getObject( tuple0.get( 0 ) ) );

    }
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                              workingMemory );

        final List asserted = sink.getAsserted();
        assertLength( 1,
                      asserted );
        final Tuple tuple0 = (Tuple) ((Object[]) asserted.get( 0 ))[0];
        assertSame( string1,
                    workingMemory.getObject( tuple0.get( 0 ) ) );

        // check node memory
        final FactHashTable table = (FactHashTable) workingMemory.getNodeMemory( liaNode );
        assertEquals( 1,
                      table.size() );
        assertTrue( table.contains( f0 ) );

        // check memory works with multiple handles
        final DefaultFactHandle f1 = (DefaultFactHandle) workingMemory.insert( "test1" );
        liaNode.assertObject( f1,
                              context,
                              workingMemory );

        assertLength( 2,
                      asserted );
        final Tuple tuple1 = (Tuple) ((Object[]) asserted.get( 1 ))[0];

        assertEquals( 2,
                      table.size() );
        assertTrue( table.contains( f1 ) );
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        // assert object
        liaNode.assertObject( f0,
                              context,
                              workingMemory );

        final Tuple tuple = (Tuple) ((Object[]) sink.getAsserted().get( 0 ))[0];

        liaNode.retractObject( f0,
                               context,
                               workingMemory );
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Related Classes of org.drools.spi.Tuple

  • org.drools.audit.WorkingMemoryLogger
  • org.drools.compiler.PackageBuilderTest
  • org.drools.examples.manners.BaseMannersTest
  • org.drools.reteoo.Agenda
  • org.drools.reteoo.FromNodeTest
  • org.drools.reteoo.LeftInputAdapterNodeTest
  • org.drools.reteoo.ParameterNodeTest
  • org.drools.spring.pojorule.PojoConditionTest
  • org.drools.spring.pojorule.PojoConsequenceTest
  • org.drools.spring.pojorule.RuleReflectMethodTest
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