Package org.drools.base.evaluators

Examples of org.drools.base.evaluators.Operator

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    public void processRestriction( MVELDumperContext context,
                                    StringBuilder sbuilder,
                                    String left,
                                    OperatorDescr operator,
                                    String right ) {
        Operator op = Operator.determineOperator( operator.getOperator(),
                                                  operator.isNegated() );
        if ( op == Operator.determineOperator( "memberOf",
                                               operator.isNegated() ) ) {
            int lastAndPos = left.lastIndexOf("&&");
            if ( lastAndPos > 0 ) {
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    }

    private void visit(RelationalExprDescr descr) {
        int currentOrderNumber = orderNumber.next();
        String fieldName = visit(descr.getLeft());
        Operator operator = Operator.determineOperator(descr.getOperator(), descr.isNegated());
        String value = visit(descr.getRight());

        setField(descr,fieldName);

        if (isAVariableRestriction(value)) {
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    }

    private void visit(RelationalExprDescr descr) {
        int currentOrderNumber = orderNumber.next();
        String fieldName = visit(descr.getLeft());
        Operator operator = Operator.determineOperator(descr.getOperator(), descr.isNegated());
        String value = visit(descr.getRight());

        setField(fieldName);

        if (isAVariableRestriction(value)) {
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    }

    private String processRestriction(String evaluator,
                                      boolean isNegated,
                                      String value) {
        Operator op = Operator.determineOperator( evaluator, isNegated );
        if( op == Operator.determineOperator( "memberOf", false ) ) {
            evaluator = "contains";
            return evaluatorPrefix( evaluator ) +
                   value + " " +
                   evaluator( evaluator ) + " " +
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        return descrString;
    }

    private String processRestriction(String evaluator,
                                      String value) {
        Operator op = Operator.determineOperator( evaluator );
        if( op == Operator.MEMBEROF ) {
            evaluator = "contains";
            return evaluatorPrefix( evaluator ) +
                   value + " " +
                   evaluator( evaluator ) + " " +
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        return descrString;
    }

    private String processRestriction(String evaluator,
                                      String value) {
        Operator op = Operator.determineOperator( evaluator );
        if( op == Operator.MEMBEROF ) {
            evaluator = "contains";
            return evaluatorPrefix( evaluator ) +
                   value + " " +
                   evaluator( evaluator ) + " " +
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    public void processRestriction( MVELDumperContext context,
                                    StringBuilder sbuilder,
                                    String left,
                                    OperatorDescr operator,
                                    String right ) {
        Operator op = Operator.determineOperator( operator.getOperator(),
                                                  operator.isNegated() );
        if ( op == Operator.determineOperator( "memberOf",
                                               operator.isNegated() ) ) {
            int lastAndPos = left.lastIndexOf("&&");
            if ( lastAndPos > 0 ) {
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    public void processRestriction( MVELDumperContext context,
                                    StringBuilder sbuilder,
                                    String left,
                                    OperatorDescr operator,
                                    String right) {
        Operator op = Operator.determineOperator( operator.getOperator(),
                                                  operator.isNegated() );
        if ( op == Operator.determineOperator( "memberOf",
                                               operator.isNegated() ) ) {
            sbuilder.append( evaluatorPrefix( operator.isNegated() ) )
                    .append( right )
                    .append( " contains " )
                    .append( left )
                    .append( evaluatorSufix( operator.isNegated() ) );
        } else if ( op == Operator.determineOperator( "excludes",
                                                      operator.isNegated() ) ) {
            sbuilder.append( evaluatorPrefix( !operator.isNegated() ) )
                    .append( left )
                    .append( " contains " )
                    .append( right )
                    .append( evaluatorSufix( operator.isNegated() ) );
        } else if ( op == Operator.determineOperator( "matches",
                                                      operator.isNegated() ) ) {
            sbuilder.append( evaluatorPrefix( operator.isNegated() ) )
                    .append( left )
                    .append( " ~= " )
                    .append( right )
                    .append( evaluatorSufix( operator.isNegated() ) );
        } else if ( Arrays.binarySearch( standard,
                                         op.getOperatorString() ) >= 0 ) {
            sbuilder.append( evaluatorPrefix( operator.isNegated() ) )
                    .append( left )
                    .append( " " )
                    .append( operator.getOperator() )
                    .append( " " )
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    public void processRestriction( MVELDumperContext context,
                                    StringBuilder sbuilder,
                                    String left,
                                    OperatorDescr operator,
                                    String right ) {
        Operator op = Operator.determineOperator( operator.getOperator(),
                                                  operator.isNegated() );
        if ( op == Operator.determineOperator( "memberOf",
                                               operator.isNegated() ) ) {
            sbuilder.append( evaluatorPrefix( operator.isNegated() ) )
                    .append( right )
                    .append( " contains " )
                    .append( left )
                    .append( evaluatorSufix( operator.isNegated() ) );
        } else if ( op == Operator.determineOperator( "contains",
                                                      operator.isNegated() ) ) {
            sbuilder.append( evaluatorPrefix( operator.isNegated() ) )
                    .append( left )
                    .append( " contains " )
                    .append( right )
                    .append( evaluatorSufix( operator.isNegated() ) );
        } else if ( op == Operator.determineOperator( "excludes",
                                                      operator.isNegated() ) ) {
            sbuilder.append( evaluatorPrefix( !operator.isNegated() ) )
                    .append( left )
                    .append( " contains " )
                    .append( right )
                    .append( evaluatorSufix( !operator.isNegated() ) );
        } else if ( op == Operator.determineOperator( "matches",
                                                      operator.isNegated() ) ) {
            sbuilder.append( evaluatorPrefix( operator.isNegated() ) )
                    .append( left )
                    .append( " ~= " )
                    .append( right )
                    .append( evaluatorSufix( operator.isNegated() ) );
        } else if ( Arrays.binarySearch( standard,
                                         op.getOperatorString() ) >= 0 ) {
            sbuilder.append( evaluatorPrefix( operator.isNegated() ) )
                    .append( left )
                    .append( " " )
                    .append( operator.getOperator() )
                    .append( " " )
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    }

    private String processRestriction(String evaluator,
                                      boolean isNegated,
                                      String value) {
        Operator op = Operator.determineOperator( evaluator, isNegated );
        if( op == Operator.determineOperator( "memberOf", false ) ) {
            evaluator = "contains";
            return evaluatorPrefix( evaluator ) +
                   value + " " +
                   evaluator( evaluator ) + " " +
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Related Classes of org.drools.base.evaluators.Operator

  • org.drools.lang.MVELDumper
  • org.drools.verifier.visitor.ExprConstraintDescrVisitor
  • org.drools.RuntimeDroolsException
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