Package org.drools.lang.descr

Examples of org.drools.lang.descr.RelationalExprDescr

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                    state._fsp--;
                    if (state.failed) return result;
                    if ( state.backtracking==0 ) {
                         descr = ConstraintConnectiveDescr.newAnd();
                                  RelationalExprDescr rel = new RelationalExprDescr( "!=", false, null, leftDescr, (e1!=null?e1.result:null) );
                                  descr.addOrMerge( rel );
                                  result = descr;
                             
                    }
                    // src/main/resources/org/drools/lang/DRLExpressions.g:329:7: ( COMMA e2= expression )*
                    loop32:
                    do {
                        int alt32=2;
                        int LA32_0 = input.LA(1);

                        if ( (LA32_0==COMMA) ) {
                            alt32=1;
                        }


                        switch (alt32) {
                      case 1 :
                          // src/main/resources/org/drools/lang/DRLExpressions.g:329:8: COMMA e2= expression
                          {
                          match(input,COMMA,FOLLOW_COMMA_in_inExpression1559); if (state.failed) return result;
                          pushFollow(FOLLOW_expression_in_inExpression1563);
                          e2=expression();

                          state._fsp--;
                          if (state.failed) return result;
                          if ( state.backtracking==0 ) {
                               RelationalExprDescr rel = new RelationalExprDescr( "!=", false, null, leftDescr, (e2!=null?e2.result:null) );
                                        descr.addOrMerge( rel );
                                   
                          }

                          }
                          break;

                      default :
                          break loop32;
                        }
                    } while (true);

                    match(input,RIGHT_PAREN,FOLLOW_RIGHT_PAREN_in_inExpression1584); if (state.failed) return result;
                    if ( state.backtracking==0 ) {
                       helper.emit( Location.LOCATION_LHS_INSIDE_CONDITION_END );
                    }

                    }
                    break;
                case 2 :
                    // src/main/resources/org/drools/lang/DRLExpressions.g:335:7: in= in_key LEFT_PAREN e1= expression ( COMMA e2= expression )* RIGHT_PAREN
                    {
                    pushFollow(FOLLOW_in_key_in_inExpression1600);
                    in_key();

                    state._fsp--;
                    if (state.failed) return result;
                    match(input,LEFT_PAREN,FOLLOW_LEFT_PAREN_in_inExpression1602); if (state.failed) return result;
                    if ( state.backtracking==0 ) {
                         helper.emit( Location.LOCATION_LHS_INSIDE_CONDITION_ARGUMENT );
                    }
                    pushFollow(FOLLOW_expression_in_inExpression1624);
                    e1=expression();

                    state._fsp--;
                    if (state.failed) return result;
                    if ( state.backtracking==0 ) {
                         descr = ConstraintConnectiveDescr.newOr();
                                  RelationalExprDescr rel = new RelationalExprDescr( "==", false, null, leftDescr, (e1!=null?e1.result:null) );
                                  descr.addOrMerge( rel );
                                  result = descr;
                             
                    }
                    // src/main/resources/org/drools/lang/DRLExpressions.g:343:7: ( COMMA e2= expression )*
                    loop33:
                    do {
                        int alt33=2;
                        int LA33_0 = input.LA(1);

                        if ( (LA33_0==COMMA) ) {
                            alt33=1;
                        }


                        switch (alt33) {
                      case 1 :
                          // src/main/resources/org/drools/lang/DRLExpressions.g:343:8: COMMA e2= expression
                          {
                          match(input,COMMA,FOLLOW_COMMA_in_inExpression1643); if (state.failed) return result;
                          pushFollow(FOLLOW_expression_in_inExpression1647);
                          e2=expression();

                          state._fsp--;
                          if (state.failed) return result;
                          if ( state.backtracking==0 ) {
                               RelationalExprDescr rel = new RelationalExprDescr( "==", false, null, leftDescr, (e2!=null?e2.result:null) );
                                        descr.addOrMerge( rel );
                                   
                          }

                          }
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                                     BaseDescr descr = ( (value!=null?value.result:null) != null &&
                                                       ( (!((value!=null?value.result:null) instanceof AtomicExprDescr)) ||
                                                         ((value!=null?input.toString(value.start,value.stop):null).equals(((AtomicExprDescr)(value!=null?value.result:null)).getExpression())) )) ?
                                              (value!=null?value.result:null) :
                                              new AtomicExprDescr( (value!=null?input.toString(value.start,value.stop):null) ) ;
                                     result = new RelationalExprDescr( (op!=null?op.opr:null), (op!=null?op.negated:false), sa, ((relationalExpression_scope)relationalExpression_stack.peek()).lsd, descr );
                               if( ((relationalExpression_scope)relationalExpression_stack.peek()).lsd instanceof BindingDescr ) {
                                   ((relationalExpression_scope)relationalExpression_stack.peek()).lsd = new AtomicExprDescr( ((BindingDescr)((relationalExpression_scope)relationalExpression_stack.peek()).lsd).getExpression() );
                               }
                                 }
                                 helper.emit( Location.LOCATION_LHS_INSIDE_CONDITION_END );
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                    continue;
                }
            }

            // check if it is a simple expression or not
            RelationalExprDescr relDescr = null;
            if ( d instanceof RelationalExprDescr ) {
                relDescr = (RelationalExprDescr) d;
                if ( (relDescr.getLeft() instanceof AtomicExprDescr || relDescr.getLeft() instanceof BindingDescr) &&
                     (relDescr.getRight() instanceof AtomicExprDescr || relDescr.getRight() instanceof BindingDescr) ) {
                    simple = true;
                }
            }

            // Either it's a complex expression, so do as predicate
            // Or it's a Map and we have to treat it as a special case
            if ( !simple  ||  ClassObjectType.Map_ObjectType.isAssignableFrom( pattern.getObjectType() ) || ClassObjectType.Activation_ObjectType.isAssignableFrom( pattern.getObjectType() ) ) {
                createAndBuildPredicate( context,
                                         pattern,
                                         d,
                                         expr,
                                         aliases );
                continue;
            }

            if ( !(d instanceof RelationalExprDescr) ) {
                throw new RuntimeException( "What caused this?: " + d );
            }

            RelationalExprDescr exprDescr = (RelationalExprDescr) d;

            String leftValue = null;
            String rightValue = null;
            boolean isRightLiteral = false;
            boolean usesThisRef = false;
            if ( exprDescr.getRight() instanceof AtomicExprDescr ) {
                AtomicExprDescr rdescr = ((AtomicExprDescr) exprDescr.getRight());
                rightValue = rdescr.getExpression().trim();
                usesThisRef = "this".equals( rightValue ) || rightValue.startsWith( "this." );
                isRightLiteral = rdescr.isLiteral();
            } else {
                BindingDescr rdescr = ((BindingDescr) exprDescr.getRight());
                rightValue = rdescr.getExpression().trim();
                usesThisRef = "this".equals( rightValue ) || rightValue.startsWith( "this." );
            }
            if ( exprDescr.getLeft() instanceof AtomicExprDescr ) {
                AtomicExprDescr ldescr = (AtomicExprDescr) exprDescr.getLeft();
                leftValue = ldescr.getExpression();
                usesThisRef = usesThisRef || "this".equals( leftValue ) || leftValue.startsWith( "this." );
            } else {
                leftValue = ((BindingDescr) exprDescr.getLeft()).getExpression();
                usesThisRef = usesThisRef || "this".equals( leftValue ) || leftValue.startsWith( "this." );
            }

            ExprBindings leftExpr = new ExprBindings();
            setInputs( context,
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                  state._fsp--;
                  if (state.failed) return result;
                  if ( state.backtracking==0 ) {
                     if( buildDescr  ) {
                                   result = new RelationalExprDescr( (op!=null?op.getText():null), false, null, left, right );
                               }
                            
                  }

                  }
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                    state._fsp--;
                    if (state.failed) return result;
                    if ( state.backtracking==0 ) {
                       if( buildDescr  ) {
                                     result = new RelationalExprDescr( (op!=null?input.toString(op.start,op.stop):null), false, null, left, new AtomicExprDescr((right!=null?input.toString(right.start,right.stop):null)) );
                                 }
                              
                    }

                    }
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                    state._fsp--;
                    if (state.failed) return result;
                    if ( state.backtracking==0 ) {
                         descr = ConstraintConnectiveDescr.newAnd();
                                  RelationalExprDescr rel = new RelationalExprDescr( "!=", false, null, leftDescr, (e1!=null?e1.result:null) );
                                  descr.addOrMerge( rel );
                                  result = descr;
                             
                    }
                    // src/main/resources/org/drools/lang/DRLExpressions.g:329:7: ( COMMA e2= expression )*
                    loop32:
                    do {
                        int alt32=2;
                        int LA32_0 = input.LA(1);

                        if ( (LA32_0==COMMA) ) {
                            alt32=1;
                        }


                        switch (alt32) {
                      case 1 :
                          // src/main/resources/org/drools/lang/DRLExpressions.g:329:8: COMMA e2= expression
                          {
                          match(input,COMMA,FOLLOW_COMMA_in_inExpression1559); if (state.failed) return result;
                          pushFollow(FOLLOW_expression_in_inExpression1563);
                          e2=expression();

                          state._fsp--;
                          if (state.failed) return result;
                          if ( state.backtracking==0 ) {
                               RelationalExprDescr rel = new RelationalExprDescr( "!=", false, null, leftDescr, (e2!=null?e2.result:null) );
                                        descr.addOrMerge( rel );
                                   
                          }

                          }
                          break;

                      default :
                          break loop32;
                        }
                    } while (true);

                    match(input,RIGHT_PAREN,FOLLOW_RIGHT_PAREN_in_inExpression1584); if (state.failed) return result;
                    if ( state.backtracking==0 ) {
                       helper.emit( Location.LOCATION_LHS_INSIDE_CONDITION_END );
                    }

                    }
                    break;
                case 2 :
                    // src/main/resources/org/drools/lang/DRLExpressions.g:335:7: in= in_key LEFT_PAREN e1= expression ( COMMA e2= expression )* RIGHT_PAREN
                    {
                    pushFollow(FOLLOW_in_key_in_inExpression1600);
                    in_key();

                    state._fsp--;
                    if (state.failed) return result;
                    match(input,LEFT_PAREN,FOLLOW_LEFT_PAREN_in_inExpression1602); if (state.failed) return result;
                    if ( state.backtracking==0 ) {
                         helper.emit( Location.LOCATION_LHS_INSIDE_CONDITION_ARGUMENT );
                    }
                    pushFollow(FOLLOW_expression_in_inExpression1624);
                    e1=expression();

                    state._fsp--;
                    if (state.failed) return result;
                    if ( state.backtracking==0 ) {
                         descr = ConstraintConnectiveDescr.newOr();
                                  RelationalExprDescr rel = new RelationalExprDescr( "==", false, null, leftDescr, (e1!=null?e1.result:null) );
                                  descr.addOrMerge( rel );
                                  result = descr;
                             
                    }
                    // src/main/resources/org/drools/lang/DRLExpressions.g:343:7: ( COMMA e2= expression )*
                    loop33:
                    do {
                        int alt33=2;
                        int LA33_0 = input.LA(1);

                        if ( (LA33_0==COMMA) ) {
                            alt33=1;
                        }


                        switch (alt33) {
                      case 1 :
                          // src/main/resources/org/drools/lang/DRLExpressions.g:343:8: COMMA e2= expression
                          {
                          match(input,COMMA,FOLLOW_COMMA_in_inExpression1643); if (state.failed) return result;
                          pushFollow(FOLLOW_expression_in_inExpression1647);
                          e2=expression();

                          state._fsp--;
                          if (state.failed) return result;
                          if ( state.backtracking==0 ) {
                               RelationalExprDescr rel = new RelationalExprDescr( "==", false, null, leftDescr, (e2!=null?e2.result:null) );
                                        descr.addOrMerge( rel );
                                   
                          }

                          }
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                                     BaseDescr descr = ( (value!=null?value.result:null) != null &&
                                                       ( (!((value!=null?value.result:null) instanceof AtomicExprDescr)) ||
                                                         ((value!=null?input.toString(value.start,value.stop):null).equals(((AtomicExprDescr)(value!=null?value.result:null)).getExpression())) )) ?
                                              (value!=null?value.result:null) :
                                              new AtomicExprDescr( (value!=null?input.toString(value.start,value.stop):null) ) ;
                                     result = new RelationalExprDescr( (op!=null?op.opr:null), (op!=null?op.negated:false), sa, ((relationalExpression_scope)relationalExpression_stack.peek()).lsd, descr );
                               if( ((relationalExpression_scope)relationalExpression_stack.peek()).lsd instanceof BindingDescr ) {
                                   ((relationalExpression_scope)relationalExpression_stack.peek()).lsd = new AtomicExprDescr( ((BindingDescr)((relationalExpression_scope)relationalExpression_stack.peek()).lsd).getExpression() );
                               }
                                 }
                                 helper.emit( Location.LOCATION_LHS_INSIDE_CONDITION_END );
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                                  final Pattern pattern,
                                  final BaseDescr d,
                                  final String expr,
                                  final Map<String, OperatorDescr> aliases ) {

        RelationalExprDescr relDescr = d instanceof RelationalExprDescr ? (RelationalExprDescr) d : null;
        boolean simple = isSimpleExpr( relDescr );

        if ( simple && // simple means also relDescr is != null
                !ClassObjectType.Map_ObjectType.isAssignableFrom( pattern.getObjectType() ) &&
                !ClassObjectType.Match_ObjectType.isAssignableFrom( pattern.getObjectType() ) ) {
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                  state._fsp--;
                  if (state.failed) return result;
                  if ( state.backtracking==0 ) {
                     if( buildDescr  ) {
                                   result = new RelationalExprDescr( (op!=null?op.getText():null), false, null, left, right );
                               }
                            
                  }

                  }
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                    state._fsp--;
                    if (state.failed) return result;
                    if ( state.backtracking==0 ) {
                       if( buildDescr  ) {
                                     result = new RelationalExprDescr( (op!=null?input.toString(op.start,op.stop):null), false, null, left, new AtomicExprDescr((right!=null?input.toString(right.start,right.stop):null)) );
                                 }
                              
                    }

                    }
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Related Classes of org.drools.lang.descr.RelationalExprDescr

  • org.drools.lang.DRL5Expressions
  • org.drools.lang.DRL6Expressions
  • org.drools.lang.DRLExpressions
  • org.drools.lang.DRLExprParserTest
  • org.drools.lang.DRLExprTreeTest
  • org.drools.lang.MVELDumper
  • org.drools.rule.builder.PatternBuilder
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