Package org.drools.core.reteoo

Examples of org.drools.core.reteoo.LeftTuple

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    }

    public void removeInsert(LeftTuple leftTuple) {
        leftTuple.setStagedType( LeftTuple.NONE );
        if ( leftTuple == insertFirst ) {
            LeftTuple next = leftTuple.getStagedNext();
            if ( next != null ) {
                next.setStagePrevious( null );
            }
            insertFirst = next;
        } else {
            LeftTuple next = leftTuple.getStagedNext();
            LeftTuple previous = leftTuple.getStagedPrevious();
            if ( next != null ) {
                next.setStagePrevious( previous );
            }
            previous.setStagedNext( next );
        }
        insertSize--;
        leftTuple.clearStaged();
    }
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    }

    public void removeDelete(LeftTuple leftTuple) {
        leftTuple.setStagedType( LeftTuple.NONE );
        if ( leftTuple == deleteFirst ) {
            LeftTuple next = leftTuple.getStagedNext();
            if ( next != null ) {
                next.setStagePrevious( null );
            }
            deleteFirst = next;
        } else {
            LeftTuple next = leftTuple.getStagedNext();
            LeftTuple previous = leftTuple.getStagedPrevious();
            if ( next != null ) {
                next.setStagePrevious( previous );
            }
            previous.setStagedNext( next );

        }
        deleteSize--;
        leftTuple.clearStaged();
    }
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    }

    public void removeUpdate(LeftTuple leftTuple) {
        leftTuple.setStagedType( LeftTuple.NONE );
        if ( leftTuple == updateFirst ) {
            LeftTuple next = leftTuple.getStagedNext();
            if ( next != null ) {
                next.setStagePrevious( null );
            }
            updateFirst = next;
        } else {
            LeftTuple next = leftTuple.getStagedNext();
            LeftTuple previous = leftTuple.getStagedPrevious();
            if ( next != null ) {
                next.setStagePrevious( previous );
            }
            previous.setStagedNext( next );
        }
        leftTuple.clearStaged();
        updateSize--;
    }
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        if ( tupleSetsImpl.getInsertFirst() != null ) {
            if ( insertFirst == null ) {
                insertFirst = tupleSetsImpl.getInsertFirst();
                insertSize = tupleSetsImpl.insertSize;
            } else {
                LeftTuple current = insertFirst;
                LeftTuple last = null;
                while ( current != null ) {
                    last = current;
                    current = current.getStagedNext();
                }
                LeftTuple leftTuple = tupleSetsImpl.getInsertFirst();
                last.setStagedNext( leftTuple );
                leftTuple.setStagePrevious( last );
                insertSize = insertSize + tupleSetsImpl.insertSize();
            }
            tupleSetsImpl.insertSize = 0;
            tupleSetsImpl.insertFirst = null;
        }
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        if ( tupleSetsImpl.getDeleteFirst() != null ) {
            if ( deleteFirst == null ) {
                deleteFirst = tupleSetsImpl.getDeleteFirst();
                deleteSize = tupleSetsImpl.deleteSize;
            } else {
                LeftTuple current = deleteFirst;
                LeftTuple last = null;
                while ( current != null ) {
                    last = current;
                    current = current.getStagedNext();
                }
                LeftTuple leftTuple = tupleSets.getDeleteFirst();
                last.setStagedNext( leftTuple );
                leftTuple.setStagePrevious( last );
                deleteSize = deleteSize + tupleSetsImpl.deleteSize();
            }
            tupleSetsImpl.deleteFirst = null;
            tupleSetsImpl.deleteSize = 0;
        }
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        if ( tupleSetsImpl.getUpdateFirst() != null ) {
            if ( updateFirst == null ) {
                updateFirst = tupleSetsImpl.getUpdateFirst();
                updateSize = tupleSetsImpl.updateSize;
            } else {
                LeftTuple current = updateFirst;
                LeftTuple last = null;
                while ( current != null ) {
                    last = current;
                    current = current.getStagedNext();
                }
                LeftTuple leftTuple = tupleSetsImpl.getUpdateFirst();
                last.setStagedNext( leftTuple );
                leftTuple.setStagePrevious( last );
                updateSize = updateSize + tupleSetsImpl.updateSize();
            }
            tupleSetsImpl.updateFirst = null;
            tupleSetsImpl.updateSize = 0;
        }
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     * clear also ensures all contained LeftTuples are cleared
     * reset does not touch any contained tuples
     */
    public void clear() {
        for ( LeftTuple leftTuple = getInsertFirst(); leftTuple != null; ) {
            LeftTuple next =  leftTuple.getStagedNext();
            leftTuple.clearStaged();
            leftTuple = next;
        }

        for ( LeftTuple leftTuple = getDeleteFirst(); leftTuple != null; ) {
            LeftTuple next =  leftTuple.getStagedNext();
            leftTuple.clearStaged();
            leftTuple = next;
        }

        for ( LeftTuple leftTuple = getUpdateFirst(); leftTuple != null; ) {
            LeftTuple next =  leftTuple.getStagedNext();
            leftTuple.clearStaged();
            leftTuple = next;
        }

        resetAll();
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        public int compare(org.drools.core.spi.Activation o1,
                           org.drools.core.spi.Activation o2) {
            int result = o1.getRule().getName().compareTo( o2.getRule().getName() );
            if ( result == 0 ) {
                LeftTuple t1 = o1.getTuple();
                LeftTuple t2 = o2.getTuple();
                while ( result == 0 && t1 != null && t2 != null ) {
                    if ( t1.getLastHandle() != null && t2.getLastHandle() != null ) {
                        // can be null for eval, not and exists that have no right input
                        result = t1.getLastHandle().getId() - t2.getLastHandle().getId();
                    }
                    t1 = t1.getParent();
                    t2 = t2.getParent();
                }
            }
            return result;
        }
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    public boolean isAllowedCachedLeft(final ContextEntry context,
                                       final InternalFactHandle handle) {
        // object MUST be a ReteTuple
        int size = ((TupleStartEqualsConstraintContextEntry) context).compareSize;
        final LeftTuple tuple = ((LeftTuple) handle.getObject()).getSubTuple( size );
        return ((TupleStartEqualsConstraintContextEntry) context).left.getSubTuple( size ).equals( tuple );
    }
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            }
        }

        length--; // subtract one, as first is not in the array;
        for (LeftTuple leftTuple = srcTuples.getInsertFirst(); leftTuple != null; ) {
            LeftTuple next = leftTuple.getStagedNext();

            PropagationContext pctx = leftTuple.getPropagationContext();
            InternalFactHandle handle = riaNode.createFactHandle(leftTuple, pctx, wm);

            RightTuple rightTuple = new RightTuple(handle, betaNode);
            leftTuple.setObject(handle);
            rightTuple.setPropagationContext(pctx);
            bm.getStagedRightTuples().addInsert(rightTuple);

            if (bns != null) {
                // Add peered RightTuples, they are attached to FH - unlink LeftTuples that has a peer ref
                for (int i = 0; i < length; i++) {
                    rightTuple = new RightTuple(handle, bns[i]);
                    rightTuple.setPropagationContext(pctx);
                    bms[i].getStagedRightTuples().addInsert(rightTuple);
                }
            }


            leftTuple.clearStaged();
            leftTuple = next;
        }

        for (LeftTuple leftTuple = srcTuples.getDeleteFirst(); leftTuple != null; ) {
            LeftTuple next = leftTuple.getStagedNext();

            InternalFactHandle handle = (InternalFactHandle) leftTuple.getObject();
            RightTuple rightTuple = handle.getFirstRightTuple();
            RightTupleSets rightTuples = bm.getStagedRightTuples();
            rightTuples.addDelete(rightTuple);

            if (bns != null) {
                // Add peered RightTuples, they are attached to FH - unlink LeftTuples that has a peer ref
                for (int i = 0; i < length; i++) {
                    rightTuple = rightTuple.getHandleNext();
                    rightTuples = bms[i].getStagedRightTuples();
                    rightTuples.addDelete(rightTuple);
                }
            }

            leftTuple.clearStaged();
            leftTuple = next;
        }

        for (LeftTuple leftTuple = srcTuples.getUpdateFirst(); leftTuple != null; ) {
            LeftTuple next = leftTuple.getStagedNext();

            InternalFactHandle handle = (InternalFactHandle) leftTuple.getObject();
            RightTuple rightTuple = handle.getFirstRightTuple();
            RightTupleSets rightTuples = bm.getStagedRightTuples();
            rightTuples.addUpdate(rightTuple);
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Related Classes of org.drools.core.reteoo.LeftTuple

  • org.drools.compiler.integrationtests.Misc2Test
  • org.drools.compiler.integrationtests.MiscTest
  • org.drools.compiler.integrationtests.MiscTest2
  • org.drools.compiler.phreak.BaseLeftTuplesBuilder
  • org.drools.compiler.phreak.LeftBuilder
  • org.drools.compiler.phreak.LeftMemory
  • org.drools.compiler.phreak.Scenario
  • org.drools.core.base.DefaultKnowledgeHelper
  • org.drools.core.base.NonCloningQueryViewListener
  • org.drools.core.base.StandardQueryViewChangedEventListener
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