Package org.drools.core.util

Examples of org.drools.core.util.LinkedList

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    }

    public SimpleAgendaGroup(final String name,
                             final InternalRuleBase ruleBase) {
        this.name = name;
        this.salienceGroups = new LinkedList();
    }
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        private int        salience;
        private LinkedList list;

        public SalienceGroup(int salience) {
            this.salience = salience;
            this.list = new LinkedList();
        }
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        setUnificationJoin();
        super.readExternal( in );
    }

    public void writeExternal(ObjectOutput out) throws IOException {
        LinkedList list = this.constraints.getConstraints();
        if ( !list.isEmpty() ) {
            BetaNodeFieldConstraint c = ( BetaNodeFieldConstraint ) ((LinkedListEntry) list.getFirst()).getObject();
            if ( DefaultBetaConstraints.isIndexable( c ) && ((VariableConstraint) c).getRestriction() instanceof UnificationRestriction) {
                this.constraints = this.constraints.getOriginalConstraint();
            }
        }
       
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    public void setUnificationJoin() {
        // If this join uses a indexed, ==, constraint on a query parameter then set indexedUnificationJoin to true
        // This ensure we get the correct iterator
        LinkedList list = this.constraints.getConstraints();
        if ( !list.isEmpty() ) {
            BetaNodeFieldConstraint c = ( BetaNodeFieldConstraint ) ((LinkedListEntry) list.getFirst()).getObject();
            if ( DefaultBetaConstraints.isIndexable( c ) && ((VariableConstraint) c).getRestriction() instanceof UnificationRestriction) {
                if ( this.constraints instanceof SingleBetaConstraints ) {
                    this.constraints = new SingleNonIndexSkipBetaConstraints( ( SingleBetaConstraints ) this.constraints );
                }else if ( this.constraints instanceof DoubleBetaConstraints ) {
                    this.constraints = new DoubleNonIndexSkipBetaConstraints( ( DoubleBetaConstraints ) this.constraints );
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            return (RightTuple) it.next( null );
        }
    }

    public BetaNodeFieldConstraint[] getConstraints() {
        final LinkedList constraints = this.constraints.getConstraints();

        final BetaNodeFieldConstraint[] array = new BetaNodeFieldConstraint[constraints.size()];
        int i = 0;
        for ( LinkedListEntry entry = (LinkedListEntry) constraints.getFirst(); entry != null; entry = (LinkedListEntry) entry.getNext() ) {
            array[i++] = (BetaNodeFieldConstraint) entry.getObject();
        }
        return array;
    }
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                                          final InternalReadAccessor fieldExtractor) {
        FieldIndex fieldIndex = null;

        // is linkedlist null, if so create and add
        if ( this.hashedFieldIndexes == null ) {
            this.hashedFieldIndexes = new LinkedList();
            fieldIndex = new FieldIndex( index,
                                         fieldExtractor );
            this.hashedFieldIndexes.add( fieldIndex );
        }
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        setUnificationJoin();
        super.readExternal(in);
    }

    public void writeExternal(ObjectOutput out) throws IOException {
        LinkedList list = this.constraints.getConstraints();
        if ( !list.isEmpty() ) {
            BetaNodeFieldConstraint c = (BetaNodeFieldConstraint) ((LinkedListEntry) list.getFirst()).getObject();
            if ( DefaultBetaConstraints.isIndexable( c ) && ((IndexableConstraint) c).isUnification() ) {
                this.constraints = this.constraints.getOriginalConstraint();
            }
        }
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    }

    public void setUnificationJoin() {
        // If this join uses a indexed, ==, constraint on a query parameter then set indexedUnificationJoin to true
        // This ensure we get the correct iterator
        LinkedList list = this.constraints.getConstraints();
        if ( !list.isEmpty() ) {
            BetaNodeFieldConstraint c = (BetaNodeFieldConstraint) ((LinkedListEntry) list.getFirst()).getObject();
            if ( DefaultBetaConstraints.isIndexable( c ) && ((IndexableConstraint) c).isUnification() ) {
                if ( this.constraints instanceof SingleBetaConstraints ) {
                    this.constraints = new SingleNonIndexSkipBetaConstraints( (SingleBetaConstraints) this.constraints );
                } else if ( this.constraints instanceof DoubleBetaConstraints ) {
                    this.constraints = new DoubleNonIndexSkipBetaConstraints( (DoubleBetaConstraints) this.constraints );
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            return (LeftTuple) it.next( null );
        }
    }

    public BetaNodeFieldConstraint[] getConstraints() {
        final LinkedList constraints = this.constraints.getConstraints();

        final BetaNodeFieldConstraint[] array = new BetaNodeFieldConstraint[constraints.size()];
        int i = 0;
        for ( LinkedListEntry entry = (LinkedListEntry) constraints.getFirst(); entry != null; entry = (LinkedListEntry) entry.getNext() ) {
            array[i++] = (BetaNodeFieldConstraint) entry.getObject();
        }
        return array;
    }
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    /* (non-Javadoc)
     * @see org.drools.common.BetaNodeConstraints#getConstraints()
     */
    public LinkedList getConstraints() {
        final LinkedList list = new LinkedList();
        list.add( new LinkedListEntry( this.constraint0 ) );
        list.add( new LinkedListEntry( this.constraint1 ) );
        list.add( new LinkedListEntry( this.constraint2 ) );
        list.add( new LinkedListEntry( this.constraint3 ) );
        return list;
    }
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Related Classes of org.drools.core.util.LinkedList

  • org.drools.common.ActivationGroupImpl
  • org.drools.common.AgendaItem
  • org.drools.common.ArrayAgendaGroup
  • org.drools.common.DefaultBetaConstraints
  • org.drools.common.DoubleBetaConstraints
  • org.drools.common.DoubleNonIndexSkipBetaConstraints
  • org.drools.common.EmptyBetaConstraints
  • org.drools.common.QuadroupleBetaConstraints
  • org.drools.common.QuadroupleNonIndexSkipBetaConstraints
  • org.drools.common.RuleFlowGroupImpl
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