Package org.drools.core.rule

Examples of org.drools.core.rule.Declaration

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        Collection<Declaration> declrCollection = new ArrayList( results.getDeclarations(0).values() );
       
        for ( Iterator<Declaration> it =  declrCollection.iterator(); it.hasNext(); ) {
            Declaration declr = it.next();
            if ( set.contains( declr.getIdentifier()  ) ) {
                it.remove();
            }
        }  
       
        Declaration[] declrs = new Declaration[parameters.length + declrCollection.size() ];
        int i = 0;
        for ( Declaration declr : parameters ) {
            declrs[i++] = declr;
        }
        for ( Declaration declr : declrCollection ) {
            declrs[i++] = declr;
        }      
       

        this.results = new ArrayList<ArrayList<Object>>( results.size() );
        this.factHandles = new ArrayList<ArrayList<FactHandle>> ( results.size() );

        int length = declrs.length;
       
        identifiers = new LinkedHashMap<String, Integer>( length );
        for ( i = 0; i < length; i++ ) {
            identifiers.put( declrs[i].getIdentifier(),
                             i );
        }
       
       
        for ( QueryResultsRow result : results ) {
            ArrayList<Object> row = new ArrayList<Object>();
            ArrayList<FactHandle> rowHandle = new ArrayList<FactHandle>();

            for ( i = 0; i < length; i++ ) {
                Declaration declr = declrs[i];
                row.add( ((QueryResultsRowImpl)result).get( declr ) );
                rowHandle.add( ((QueryResultsRowImpl)result).getFactHandle( declr ) );
            }

            this.results.add( row );
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    public Object get(String identifier) {
        if ( factHandles == null ) {
            this.factHandles = this.leftTuple.toFactHandles();
        }
        Declaration declr = this.rule.getDeclaration( identifier );
        if ( declr == null ) {
            throw new RuntimeException("The identifier '" + identifier + "' does not exist as a bound varirable for this query" );
        }
        InternalFactHandle factHandle = getFactHandle( declr );
        return declr.getValue( null, factHandle.getObject() );
    }
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    public FactHandle getFactHandle(String identifier) {
        if ( factHandles == null ) {
            this.factHandles = this.leftTuple.toFactHandles();
        }
        Declaration declr = this.rule.getDeclaration( identifier );
        if ( declr == null ) {
            throw new RuntimeException("The identifier '" + identifier + "' does not exist as a bound varirable for this query" );
        }
        InternalFactHandle factHandle = getFactHandle( declr );
        return factHandle;
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        Collection<Declaration> declrCollection = new ArrayList( getDeclarations(0).values() );

        for ( Iterator<Declaration> it =  declrCollection.iterator(); it.hasNext(); ) {
            Declaration declr = it.next();
            if ( set.contains( declr.getIdentifier()  ) ) {
                it.remove();
            }
        }

        String[] declrs = new String[parameters.length + declrCollection.size() ];
        int i = 0;
        for ( Declaration declr : parameters ) {
            declrs[i++] = declr.getIdentifier();
        }
        for ( Declaration declr : declrCollection ) {
            declrs[i++] = declr.getIdentifier();
        }
        identifiers = declrs;
        return identifiers;
    }
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                          args.length );

        int[] declIndexes = this.queryElement.getDeclIndexes();

        for ( int i = 0, length = declIndexes.length; i < length; i++ ) {
            Declaration declr = (Declaration) argTemplate[declIndexes[i]];

            Object tupleObject = leftTuple.get( declr ).getObject();

            Object o;

            if ( tupleObject instanceof DroolsQuery ) {
                // If the query passed in a Variable, we need to use it
                ArrayElementReader arrayReader = (ArrayElementReader) declr.getExtractor();
                if ( ((DroolsQuery) tupleObject).getVariables()[arrayReader.getIndex()] != null ) {
                    o = Variable.v;
                } else {
                    o = declr.getValue( workingMemory,
                                        tupleObject );
                }
            } else {
                o = declr.getValue( workingMemory,
                                    tupleObject );
            }

            args[declIndexes[i]] = o;
        }
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     * @param identifier
     * @return
     *      The Object
     */
    public Object get(final String identifier) {
        Declaration decl = getDeclarations().get( identifier );
        if ( decl == null ) {
            throw new IllegalArgumentException( "identifier '" + identifier + "' cannot be found" );
        }
        return get( decl );
    }
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            QueryImpl query = node.getQuery();
            Declaration[] decls = node.getDeclarations();
            DroolsQuery dquery = (DroolsQuery) this.factHandle.getObject();
            Object[] objects = new Object[ determineResultSize( query, dquery ) ];

            Declaration decl;
            for ( int i = 0, length = this.variables.length; i < length; i++ ) {
                decl = decls[this.variables[i]];
                objects[this.variables[i]] = decl.getValue( workingMemory,
                                                            resultLeftTuple.get( decl ).getObject() );
            }

            QueryElementFactHandle resultHandle = createQueryResultHandle(context,
                                                                          workingMemory,
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            InternalFactHandle rootHandle = resultLeftTuple.get( 0 );
            DroolsQuery dquery = (DroolsQuery) rootHandle.getObject();

            Object[] objects = new Object[dquery.getElements().length];

            Declaration decl;
            for ( int i = 0, length = this.variables.length; i < length; i++ ) {
                decl = decls[this.variables[i]];
                objects[this.variables[i]] = decl.getValue( workingMemory,
                                                            resultLeftTuple.get( decl ).getObject() );
            }

            QueryElementFactHandle handle = (QueryElementFactHandle) rightTuple.getFactHandle();
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            List<String> originalIds = Arrays.asList( results.getIdentifiers() );
            List<String> actualIds = new ArrayList();
            if ( results instanceof QueryResultsImpl) {
                for ( String identifier : originalIds ) {
                    // we don't want to marshall the query parameters
                    Declaration declr = ((QueryResultsImpl) results).getDeclarations(0).get( identifier );
                    ObjectType objectType = declr.getPattern().getObjectType();
                    if ( objectType instanceof ClassObjectType ) {
                        if ( ((ClassObjectType) objectType).getClassType() == DroolsQuery.class ) {
                            continue;
                        }
                    }
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        return Collections.unmodifiableList(list);
    }

    @Override
    public Object getDeclarationValue(String variableName) {
        Declaration decl = this.rtn.getSubRule().getOuterDeclarations().get(variableName);
        InternalFactHandle handle = this.tuple.get(decl);
        // need to double check, but the working memory reference is only used for resolving globals, right?
        return decl.getValue(null, handle.getObject());
    }
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Related Classes of org.drools.core.rule.Declaration

  • org.drools.compiler.phreak.BetaNodeBuilder
  • org.drools.compiler.rule.builder.dialect.asm.AbstractASMEvalBuilder
  • org.drools.compiler.rule.builder.dialect.DialectUtil
  • org.drools.compiler.rule.builder.dialect.java.AccumulateTemplateTest
  • org.drools.compiler.rule.builder.dialect.java.JavaAccumulateBuilder
  • org.drools.compiler.rule.builder.dialect.java.JavaConsequenceBuilderTest
  • org.drools.compiler.rule.builder.dialect.mvel.MVELAccumulateBuilder
  • org.drools.compiler.rule.builder.dialect.mvel.MVELConsequenceBuilderTest
  • org.drools.compiler.rule.builder.dialect.mvel.MVELEvalBuilderTest
  • org.drools.compiler.rule.builder.dialect.mvel.MVELPredicateBuilderTest
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