Examples of org.drools.core.QueryResults

org.drools.core.QueryResults
Returned QueryResults instance for a requested named query. from here you can iterate the returned data, or get a specific row. All the available Declarations used in the query can also be accessed.


            executeQueuedActions();


            this.handleFactory.destroyFactHandle( handle );


            return new QueryResults( (List<QueryRowWithSubruleIndex>) queryObject.getQueryResultCollector().getResults(),
                                     decls.toArray( new Map[decls.size()] ),
                                     this,
                                     ( queryObject.getQuery() != null ) ? queryObject.getQuery().getParameters()  : new Declaration[0] );
        } finally {
            this.ruleBase.readUnlock();

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        } catch ( final Exception e ) {
            fail( "Should not throw any exception: " + e.getMessage() );
        }


        final WorkingMemory workingMemory = ruleBase.newStatefulSession();
        QueryResults results = workingMemory.getQueryResults( "query-1" );


        assertEquals( 0,
                      results.size() );


        final Cheese stilton1 = new Cheese( "stilton",
                                            100 );
        final FactHandle handle1 = workingMemory.insert( stilton1 );


        results = workingMemory.getQueryResults( "query-1" );


        assertEquals( 1,
                      results.size() );


        final Cheese cheddar = new Cheese( "cheddar",
                                           55 );
        workingMemory.insert( cheddar );


        results = workingMemory.getQueryResults( "query-1" );


        assertEquals( 1,
                      results.size() );


        final Cheese stilton2 = new Cheese( "stilton",
                                            5 );


        final FactHandle handle2 = workingMemory.insert( stilton2 );


        results = workingMemory.getQueryResults( "query-1" );


        assertEquals( 2,
                      results.size() );


        QueryResult result = results.get( 0 );
        assertEquals( 1,
                      result.size() );
        assertEquals( stilton1,
                      result.get( 0 ) );


        result = results.get( 1 );
        assertEquals( 1,
                      result.size() );
        assertEquals( stilton2,
                      result.get( 0 ) );


        int i = 0;
        for ( final Iterator it = results.iterator(); it.hasNext(); ) {
            result = (QueryResult) it.next();
            assertEquals( 1,
                          result.size() );
            if ( i == 1 ) {
                assertSame( stilton2,
                            result.get( 0 ) );
            } else {
                assertSame( stilton1,
                            result.get( 0 ) );
            }
            i++;
        }


        workingMemory.retract( handle1 );
        results = workingMemory.getQueryResults( "query-1" );


        assertEquals( 1,
                      results.size() );


        workingMemory.retract( handle2 );
        results = workingMemory.getQueryResults( "query-1" );


        assertEquals( 0,
                      results.size() );


    }

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            executeQueuedActions();


            this.handleFactory.destroyFactHandle( handle );


            return new QueryResults( (List<QueryRowWithSubruleIndex>) queryObject.getQueryResultCollector().getResults(),
                                     decls.toArray( new Map[decls.size()] ),
                                     this,
                                     ( queryObject.getQuery() != null ) ? queryObject.getQuery().getParameters()  : new Declaration[0] );
        } finally {
            this.ruleBase.readUnlock();

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            executeQueuedActions();
            
            this.handleFactory.destroyFactHandle( handle );
            
            return new QueryResults( (List<QueryRowWithSubruleIndex>) queryObject.getQueryResultCollector().getResults(),
                                     decls.toArray( new Map[decls.size()] ),
                                     this,
                                     ( queryObject.getQuery() != null ) ? queryObject.getQuery().getParameters()  : new Declaration[0] );
        } finally {
            this.lock.unlock();

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            executeQueuedActions();
            
            this.handleFactory.destroyFactHandle( handle );
            
            return new QueryResults( (List<QueryRowWithSubruleIndex>) queryObject.getQueryResultCollector().getResults(),
                                     decls.toArray( new Map[decls.size()] ),
                                     this,
                                     ( queryObject.getQuery() != null ) ? queryObject.getQuery().getParameters()  : new Declaration[0] );
        } finally {
            this.lock.unlock();

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            executeQueuedActions();


            this.handleFactory.destroyFactHandle( handle );


            return new QueryResults( (List<QueryRowWithSubruleIndex>) queryObject.getQueryResultCollector().getResults(),
                                     decls.toArray( new Map[decls.size()] ),
                                     this,
                                     ( queryObject.getQuery() != null ) ? queryObject.getQuery().getParameters()  : new Declaration[0] );
        } finally {
            this.ruleBase.readUnlock();

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            executeQueuedActions();
            
            this.handleFactory.destroyFactHandle( handle );
            
            return new QueryResults( (List<QueryRowWithSubruleIndex>) queryObject.getQueryResultCollector().getResults(),
                                     decls.toArray( new Map[decls.size()] ),
                                     this,
                                     ( queryObject.getQuery() != null ) ? queryObject.getQuery().getParameters()  : new Declaration[0] );
        } finally {
            this.lock.unlock();

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        StatefulSession session = ruleBase.newStatefulSession();


        session.insert( new Cheese( "stilton",
                                    15 ) );


        QueryResults results = session.getQueryResults( "query1",
                                                        "stilton" );
        assertEquals( 1,
                      results.size() );
        Object object = results.get( 0 ).get( 0 );
        assertEquals( new Cheese( "stilton",
                                  15 ),
                      object );


        results = session.getQueryResults( "query1",
                                           new Object[]{"cheddar"} );
        assertEquals( 0,
                      results.size() );


        session.insert( new Cheese( "dolcelatte",
                                    20 ) );
        results = session.getQueryResults( "query2",
                                           new Object[]{} );
        assertEquals( 2,
                      results.size() );
    }

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            executeQueuedActions();


            this.handleFactory.destroyFactHandle( handle );


            return new QueryResults( (List<QueryRowWithSubruleIndex>) queryObject.getQueryResultCollector().getResults(),
                                     decls.toArray( new Map[decls.size()] ),
                                     this,
                                     ( queryObject.getQuery() != null ) ? queryObject.getQuery().getParameters()  : new Declaration[0] );
        } finally {
            this.lock.unlock();

View Full Code Here


            executeQueuedActions();


            this.handleFactory.destroyFactHandle( handle );


            return new QueryResults( (List<QueryRowWithSubruleIndex>) queryObject.getQueryResultCollector().getResults(),
                                     decls.toArray( new Map[decls.size()] ),
                                     this,
                                     ( queryObject.getQuery() != null ) ? queryObject.getQuery().getParameters()  : new Declaration[0] );
        } finally {
            this.lock.unlock();

View Full Code Here

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Related Classes of org.drools.core.QueryResults

org.drools.compiler.compiler.QueryBuilderTest

org.drools.core.common.AbstractWorkingMemory

org.drools.core.reteoo.QueryTerminalNodeTest

org.drools.core.reteoo.ReteooWorkingMemory

java.util.NoSuchElementException

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