Examples of org.drools.lang.descr.BindingDescr

org.drools.lang.descr.BindingDescr

        DRLExpressions.expression_return e1 = null;


        DRLExpressions.expression_return e2 = null;




         ConstraintConnectiveDescr descr = null; BaseDescr leftDescr = null; BindingDescr binding = null; 
        try {
            // src/main/resources/org/drools/lang/DRLExpressions.g:250:3: (left= relationalExpression ( ( not_key in_key )=> not_key in= in_key LEFT_PAREN e1= expression ( COMMA e2= expression )* RIGHT_PAREN | in= in_key LEFT_PAREN e1= expression ( COMMA e2= expression )* RIGHT_PAREN )? )
            // src/main/resources/org/drools/lang/DRLExpressions.g:250:5: left= relationalExpression ( ( not_key in_key )=> not_key in= in_key LEFT_PAREN e1= expression ( COMMA e2= expression )* RIGHT_PAREN | in= in_key LEFT_PAREN e1= expression ( COMMA e2= expression )* RIGHT_PAREN )?
            {
            pushFollow(FOLLOW_relationalExpression_in_inExpression1280);
            left=relationalExpression();


            state._fsp--;
            if (state.failed) return result;
            if ( state.backtracking==0 ) {
               if( buildDescr  ) { result = left; } 
                    if( left instanceof BindingDescr ) {
                        binding = (BindingDescr)left;
                        leftDescr = new AtomicExprDescr( binding.getExpression() );
                    } else {
                        leftDescr = left;
                    }
                  
            }

View Full Code Here


        Token var=null;
        BaseDescr left = null;




         boolean isLeft = false; BindingDescr bind = null;
        try {
            // src/main/resources/org/drools/lang/DRLExpressions.g:393:5: ( TILDE unaryExpression | NEGATION unaryExpression | ( castExpression )=> castExpression | ( ({...}? (var= ID COLON ) ) | ({...}? (var= ID UNIFY ) ) )? left= primary ( ( selector )=> selector )* ( ( INCR | DECR )=> ( INCR | DECR ) )? )
            int alt43=4;
            alt43 = dfa43.predict(input);
            switch (alt43) {
                case 1 :
                    // src/main/resources/org/drools/lang/DRLExpressions.g:393:9: TILDE unaryExpression
                    {
                    match(input,TILDE,FOLLOW_TILDE_in_unaryExpressionNotPlusMinus2012); if (state.failed) return retval;
                    pushFollow(FOLLOW_unaryExpression_in_unaryExpressionNotPlusMinus2014);
                    unaryExpression();


                    state._fsp--;
                    if (state.failed) return retval;


                    }
                    break;
                case 2 :
                    // src/main/resources/org/drools/lang/DRLExpressions.g:394:8: NEGATION unaryExpression
                    {
                    match(input,NEGATION,FOLLOW_NEGATION_in_unaryExpressionNotPlusMinus2023); if (state.failed) return retval;
                    pushFollow(FOLLOW_unaryExpression_in_unaryExpressionNotPlusMinus2025);
                    unaryExpression();


                    state._fsp--;
                    if (state.failed) return retval;


                    }
                    break;
                case 3 :
                    // src/main/resources/org/drools/lang/DRLExpressions.g:395:9: ( castExpression )=> castExpression
                    {
                    pushFollow(FOLLOW_castExpression_in_unaryExpressionNotPlusMinus2039);
                    castExpression();


                    state._fsp--;
                    if (state.failed) return retval;


                    }
                    break;
                case 4 :
                    // src/main/resources/org/drools/lang/DRLExpressions.g:396:9: ( ({...}? (var= ID COLON ) ) | ({...}? (var= ID UNIFY ) ) )? left= primary ( ( selector )=> selector )* ( ( INCR | DECR )=> ( INCR | DECR ) )?
                    {
                    if ( state.backtracking==0 ) {
                       isLeft = helper.getLeftMostExpr() == null;
                    }
                    // src/main/resources/org/drools/lang/DRLExpressions.g:397:9: ( ({...}? (var= ID COLON ) ) | ({...}? (var= ID UNIFY ) ) )?
                    int alt40=3;
                    int LA40_0 = input.LA(1);


                    if ( (LA40_0==ID) ) {
                        int LA40_1 = input.LA(2);


                        if ( (LA40_1==COLON) ) {
                            int LA40_3 = input.LA(3);


                            if ( ((inMap == 0 && ternOp == 0 && input.LA(2) == DRLLexer.COLON)) ) {
                                alt40=1;
                            }
                        }
                        else if ( (LA40_1==UNIFY) ) {
                            alt40=2;
                        }
                    }
                    switch (alt40) {
                        case 1 :
                            // src/main/resources/org/drools/lang/DRLExpressions.g:397:11: ({...}? (var= ID COLON ) )
                            {
                            // src/main/resources/org/drools/lang/DRLExpressions.g:397:11: ({...}? (var= ID COLON ) )
                            // src/main/resources/org/drools/lang/DRLExpressions.g:397:12: {...}? (var= ID COLON )
                            {
                            if ( !((inMap == 0 && ternOp == 0 && input.LA(2) == DRLLexer.COLON)) ) {
                                if (state.backtracking>0) {state.failed=true; return retval;}
                                throw new FailedPredicateException(input, "unaryExpressionNotPlusMinus", "inMap == 0 && ternOp == 0 && input.LA(2) == DRLLexer.COLON");
                            }
                            // src/main/resources/org/drools/lang/DRLExpressions.g:397:74: (var= ID COLON )
                            // src/main/resources/org/drools/lang/DRLExpressions.g:397:75: var= ID COLON
                            {
                            var=(Token)match(input,ID,FOLLOW_ID_in_unaryExpressionNotPlusMinus2067); if (state.failed) return retval;
                            match(input,COLON,FOLLOW_COLON_in_unaryExpressionNotPlusMinus2069); if (state.failed) return retval;
                            if ( state.backtracking==0 ) {
                               hasBindings = true; if( buildDescr ) { bind = new BindingDescr((var!=null?var.getText():null), null, false); helper.setStart( bind, var ); } 
                            }


                            }




                            }




                            }
                            break;
                        case 2 :
                            // src/main/resources/org/drools/lang/DRLExpressions.g:399:11: ({...}? (var= ID UNIFY ) )
                            {
                            // src/main/resources/org/drools/lang/DRLExpressions.g:399:11: ({...}? (var= ID UNIFY ) )
                            // src/main/resources/org/drools/lang/DRLExpressions.g:399:12: {...}? (var= ID UNIFY )
                            {
                            if ( !((inMap == 0 && ternOp == 0 && input.LA(2) == DRLLexer.UNIFY)) ) {
                                if (state.backtracking>0) {state.failed=true; return retval;}
                                throw new FailedPredicateException(input, "unaryExpressionNotPlusMinus", "inMap == 0 && ternOp == 0 && input.LA(2) == DRLLexer.UNIFY");
                            }
                            // src/main/resources/org/drools/lang/DRLExpressions.g:399:74: (var= ID UNIFY )
                            // src/main/resources/org/drools/lang/DRLExpressions.g:399:75: var= ID UNIFY
                            {
                            var=(Token)match(input,ID,FOLLOW_ID_in_unaryExpressionNotPlusMinus2109); if (state.failed) return retval;
                            match(input,UNIFY,FOLLOW_UNIFY_in_unaryExpressionNotPlusMinus2111); if (state.failed) return retval;
                            if ( state.backtracking==0 ) {
                               hasBindings = true; if( buildDescr ) { bind = new BindingDescr((var!=null?var.getText():null), null, true); helper.setStart( bind, var ); } 
                            }


                            }




                            }




                            }
                            break;


                    }


                    pushFollow(FOLLOW_primary_in_unaryExpressionNotPlusMinus2156);
                    left=primary();


                    state._fsp--;
                    if (state.failed) return retval;
                    if ( state.backtracking==0 ) {
                       if( buildDescr ) { retval.result = left; } 
                    }
                    // src/main/resources/org/drools/lang/DRLExpressions.g:403:9: ( ( selector )=> selector )*
                    loop41:
                    do {
                        int alt41=2;
                        int LA41_0 = input.LA(1);


                        if ( (LA41_0==DOT) && (synpred16_DRLExpressions())) {
                            alt41=1;
                        }
                        else if ( (LA41_0==LEFT_SQUARE) && (synpred16_DRLExpressions())) {
                            alt41=1;
                        }




                        switch (alt41) {
                      case 1 :
                          // src/main/resources/org/drools/lang/DRLExpressions.g:403:10: ( selector )=> selector
                          {
                          pushFollow(FOLLOW_selector_in_unaryExpressionNotPlusMinus2173);
                          selector();


                          state._fsp--;
                          if (state.failed) return retval;


                          }
                          break;


                      default :
                          break loop41;
                        }
                    } while (true);


                    if ( state.backtracking==0 ) {
                           
                                  if( buildDescr ) {
                                      String expr = input.toString(retval.start,input.LT(-1));
                                      if( isLeft ) {
                                          helper.setLeftMostExpr( expr ); 
                                      }
                                      if( bind != null ) {
                                          if( bind.isUnification() ) {
                                              expr = expr.substring( expr.indexOf( ":=" ) + 2 ).trim();
                                          } else {
                                              expr = expr.substring( expr.indexOf( ":" ) + 1 ).trim();
                                          }
                                          bind.setExpression( expr );
                                          helper.setEnd( bind );
                                          retval.result = bind;
                                      }
                                  }

View Full Code Here

        emptyAttributeCheck( localName,
                             "fieldName",
                             fieldName,
                             parser );


        final BindingDescr fieldBindingDescr = new BindingDescr( identifier,
                                                                 fieldName);
        return fieldBindingDescr;
    }

View Full Code Here

    public Object end( final String uri,
                       final String localName,
                       final ExtensibleXmlParser parser ) throws SAXException {
        final Element element = parser.endElementBuilder();


        final BindingDescr fieldBindingDescr = (BindingDescr) parser.getCurrent();


        final PatternDescr patternDescr = (PatternDescr) parser.getParent();


        patternDescr.addConstraint( fieldBindingDescr );

View Full Code Here

    }


    public PatternDescrBuilder<P> bind( String var,
                                        String target,
                                        boolean isUnification ) {
        descr.addConstraint( new BindingDescr( var,
                                               target,
                                               isUnification ) );
        return this;
    }

View Full Code Here

        MVELDumper.MVELDumperContext mvelCtx = new MVELDumper.MVELDumperContext().setRuleContext(context);
        for ( BaseDescr b : patternDescr.getDescrs() ) {
            String expression;
            boolean isPositional = false;
            if ( b instanceof BindingDescr ) {
                BindingDescr bind = (BindingDescr) b;
                expression = bind.getVariable() + (bind.isUnification() ? " := " : " : ") + bind.getExpression();
            } else if ( b instanceof ExprConstraintDescr ) {
                ExprConstraintDescr descr = (ExprConstraintDescr) b;
                expression = descr.getExpression();
                isPositional = descr.getType() == ExprConstraintDescr.Type.POSITIONAL;
            } else {

View Full Code Here

            String expr = descr.getExpression();
            boolean isSimpleIdentifier = isIdentifier(expr);


            if ( isSimpleIdentifier ) {
                // create a binding
                BindingDescr binder = new BindingDescr();
                binder.setUnification( true );
                binder.setExpression( field.getName() );
                binder.setVariable( descr.getExpression() );
                buildRuleBindings( context,
                                   patternDescr,
                                   pattern,
                                   binder );
            } else {

View Full Code Here

        if ( relDescr.getRight() instanceof AtomicExprDescr ) {
            AtomicExprDescr rdescr = ((AtomicExprDescr) relDescr.getRight());
            values[1] = rdescr.getRewrittenExpression().trim();
            usesThisRef = "this".equals( values[1] ) || values[1].startsWith("this.");
        } else {
            BindingDescr rdescr = ((BindingDescr) relDescr.getRight());
            values[1] = rdescr.getExpression().trim();
            usesThisRef = "this".equals( values[1] ) || values[1].startsWith("this.");
        }
        if ( relDescr.getLeft() instanceof AtomicExprDescr ) {
            AtomicExprDescr ldescr = (AtomicExprDescr) relDescr.getLeft();
            values[0] = ldescr.getRewrittenExpression();

View Full Code Here


    protected static Declaration createDeclarationObject( final RuleBuildContext context,
                                                 final String identifier,
                                                 final String expr,
                                                 final Pattern pattern ) {
        final BindingDescr implicitBinding = new BindingDescr( identifier,
                                                               expr );


        final Declaration declaration = new Declaration( identifier,
                                                         null,
                                                         pattern,
                                                         true );


        InternalReadAccessor extractor = getFieldReadAccessor( context,
                                                               implicitBinding,
                                                               pattern.getObjectType(),
                                                               implicitBinding.getExpression(),
                                                               declaration,
                                                               false );


        if ( extractor == null ) {
            return null;

View Full Code Here

            BaseDescr base = args.get( i );


            String expression = null;
            boolean isPositional = false;
            boolean isBinding = false;
            BindingDescr bind = null;
            ConstraintConnectiveDescr result = null;
            if ( base instanceof BindingDescr ) {
                bind = (BindingDescr) base;
                expression = bind.getVariable() + (bind.isUnification() ? " := " : " : ") + bind.getExpression();
                isBinding = true;
            } else {
                if ( base instanceof ExprConstraintDescr ) {
                    ExprConstraintDescr ecd = (ExprConstraintDescr) base;
                    expression = ecd.getExpression();

View Full Code Here

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