Package org.drools.base.evaluators.EvaluatorDefinition

Examples of org.drools.base.evaluators.EvaluatorDefinition.Target

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            OperatorDescr op = entry.getValue();

            Declaration leftDecl = createDeclarationForOperator(context, pattern, op.getLeftString());
            Declaration rightDecl = createDeclarationForOperator(context, pattern, op.getRightString());

            Target left = leftDecl != null && leftDecl.isPatternDeclaration() ? Target.HANDLE : Target.FACT;
            Target right = rightDecl != null && rightDecl.isPatternDeclaration() ? Target.HANDLE : Target.FACT;

            op.setLeftIsHandle( left == Target.HANDLE );
            op.setRightIsHandle( right == Target.HANDLE );

            Evaluator evaluator = getConstraintBuilder( context ).getEvaluator(
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                }
            }
        }

        if ( declr != null ) {
            Target right = getRightTarget( extractor );
            Target left = (declr.isPatternDeclaration() && !(Date.class.isAssignableFrom( declr.getExtractor().getExtractToClass() ) || Number.class.isAssignableFrom( declr.getExtractor().getExtractToClass() ))) ? Target.HANDLE : Target.FACT;
            final Evaluator evaluator = getEvaluator( context,
                                                      relDescr,
                                                      extractor.getValueType(),
                                                      operator,
                                                      relDescr.isNegated(),
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                                                          "this",
                                                          pattern );

            }

            Target left = leftDecl != null && leftDecl.isPatternDeclaration() ? Target.HANDLE : Target.FACT;
            Target right = rightDecl != null && rightDecl.isPatternDeclaration() ? Target.HANDLE : Target.FACT;

            op.setLeftIsHandle( left == Target.HANDLE );
            op.setRightIsHandle( right == Target.HANDLE );

            Evaluator evaluator = getEvaluator( context,
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                                     pattern,
                                     analysis.getNotBoundedIdentifiers(),
                                     usedIdentifiers,
                                     factDeclarations );

        Target right = getRightTarget( extractor );
        Target left = Target.FACT;
        final Evaluator evaluator = getEvaluator( context,
                                                  returnValueRestrictionDescr,
                                                  extractor.getValueType(),
                                                  returnValueRestrictionDescr.getEvaluator(),
                                                  returnValueRestrictionDescr.isNegated(),
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                                                              "Unable to return Declaration for identifier '" + variableRestrictionDescr.getIdentifier() + "'" ) );
                return null;
            }
        }

        Target right = getRightTarget( extractor );
        Target left = (declaration.isPatternDeclaration() && !(Date.class.isAssignableFrom( declaration.getExtractor().getExtractToClass() ) || Number.class.isAssignableFrom( declaration.getExtractor().getExtractToClass() ))) ? Target.HANDLE : Target.FACT;
        final Evaluator evaluator = getEvaluator( context,
                                                  variableRestrictionDescr,
                                                  extractor.getValueType(),
                                                  variableRestrictionDescr.getEvaluator(),
                                                  variableRestrictionDescr.isNegated(),
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        if ( field == null ) {
            return null;
        }

        Target right = getRightTarget( extractor );
        Target left = Target.FACT;
        final Evaluator evaluator = getEvaluator( context,
                                                  literalRestrictionDescr,
                                                  extractor.getValueType(),
                                                  literalRestrictionDescr.getEvaluator(),
                                                  literalRestrictionDescr.isNegated(),
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                    }
                }
            }

            if ( implicit != null ) {
                Target right = getRightTarget( extractor );
                Target left = (implicit.isPatternDeclaration() && !(Date.class.isAssignableFrom( implicit.getExtractor().getExtractToClass() ) || Number.class.isAssignableFrom( implicit.getExtractor().getExtractToClass() ))) ? Target.HANDLE : Target.FACT;
                final Evaluator evaluator = getEvaluator( context,
                                                          qiRestrictionDescr,
                                                          extractor.getValueType(),
                                                          qiRestrictionDescr.getEvaluator(),
                                                          qiRestrictionDescr.isNegated(),
                                                          qiRestrictionDescr.getParameterText(),
                                                          left,
                                                          right );
                if ( evaluator == null ) {
                    return null;
                }

                return new VariableRestriction( extractor,
                                                implicit,
                                                evaluator );
            }
        }

        final int lastDot = qiRestrictionDescr.getText().lastIndexOf( '.' );
        final String className = qiRestrictionDescr.getText().substring( 0,
                                                                         lastDot );
        final String fieldName = qiRestrictionDescr.getText().substring( lastDot + 1 );
        try {
            final Class staticClass = context.getDialect().getTypeResolver().resolveType( className );
            field = FieldFactory.getFieldValue( staticClass.getField( fieldName ).get( null ),
                                                extractor.getValueType(),
                                                context.getPackageBuilder().getDateFormats()  );
            if ( field.isObjectField() ) {
                ((ObjectFieldImpl) field).setEnum( true );
                ((ObjectFieldImpl) field).setEnumName( staticClass.getName() );
                ((ObjectFieldImpl) field).setFieldName( fieldName );
            }
        } catch ( final ClassNotFoundException e ) {
            // nothing to do, as it is not a class name with static field
        } catch ( final Exception e ) {
            context.getErrors().add( new DescrBuildError( context.getParentDescr(),
                                                          qiRestrictionDescr,
                                                          e,
                                                          "Unable to create a Field value of type  '" + extractor.getValueType() + "' and value '" + qiRestrictionDescr.getText() + "'" ) );
        }

        if ( field == null ) {
            return null;
        }

        Target right = getRightTarget( extractor );
        Target left = Target.FACT;
        final Evaluator evaluator = getEvaluator( context,
                                                  qiRestrictionDescr,
                                                  extractor.getValueType(),
                                                  qiRestrictionDescr.getEvaluator(),
                                                  qiRestrictionDescr.isNegated(),
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                                       evaluator,
                                       extractor );
    }

    private Target getRightTarget(final InternalReadAccessor extractor) {
        Target right = (extractor.isSelfReference() && !(Date.class.isAssignableFrom( extractor.getExtractToClass() ) || Number.class.isAssignableFrom( extractor.getExtractToClass() ))) ? Target.HANDLE : Target.FACT;
        return right;
    }
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        createImplicitBindings( context,
                                pattern,
                                analysis.getNotBoundedIdentifiers(),
                                factDeclarations );

        Target right = getRightTarget( extractor );
        Target left = Target.FACT;
        final Evaluator evaluator = getEvaluator( context,
                                                  returnValueRestrictionDescr,
                                                  extractor.getValueType(),
                                                  returnValueRestrictionDescr.getEvaluator(),
                                                  returnValueRestrictionDescr.isNegated(),
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                    }
                }
            }

            if ( declr != null ) {
                Target right = getRightTarget( extractor );
                Target left = (declr.isPatternDeclaration() && !(Date.class.isAssignableFrom( declr.getExtractor().getExtractToClass() ) || Number.class.isAssignableFrom( declr.getExtractor().getExtractToClass() ))) ? Target.HANDLE : Target.FACT;
                final Evaluator evaluator = getEvaluator( context,
                                                          d,
                                                          extractor.getValueType(),
                                                          operator,
                                                          relDescr.isNegated(),
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Related Classes of org.drools.base.evaluators.EvaluatorDefinition.Target

  • org.drools.rule.builder.PatternBuilder
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