Examples of org.drools.common.EqualityKey

org.drools.common.EqualityKey
Upon instantiation the EqualityKey caches the first Object's hashCode this can never change. The EqualityKey has an internal datastructure which references all the handles which are equal. It also records Whether the referenced facts are JUSTIFIED or STATED

        if (!assertMap.isEmpty() || !justifiedMap.isEmpty()) {
            EqualityKey[] keys = new EqualityKey[assertMap.size()];
            org.drools.core.util.Iterator it = assertMap.iterator();
            int i = 0;
            for (org.drools.core.util.ObjectHashMap.ObjectEntry entry = (org.drools.core.util.ObjectHashMap.ObjectEntry) it.next(); entry != null; entry = (org.drools.core.util.ObjectHashMap.ObjectEntry) it.next()) {
                EqualityKey key = (EqualityKey) entry.getKey();
                keys[i++] = key;
            }


            Arrays.sort(keys,
                    EqualityKeySorter.instance);


            ProtobufMessages.TruthMaintenanceSystem.Builder _tms = ProtobufMessages.TruthMaintenanceSystem.newBuilder();


            // write the assert map of Equality keys
            for (EqualityKey key : keys) {
                ProtobufMessages.EqualityKey.Builder _key = ProtobufMessages.EqualityKey.newBuilder();
                _key.setStatus(key.getStatus());
                _key.setHandleId(key.getFactHandle().getId());
                if (key.getOtherFactHandle() != null && !key.getOtherFactHandle().isEmpty()) {
                    for (InternalFactHandle handle : key.getOtherFactHandle()) {
                        _key.addOtherHandle(handle.getId());
                    }
                }
                _tms.addKey(_key.build());
            }

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                                                                                                         handle.getObject() );
            if (!typeConf.isTMSEnabled() && (!wasOTCSerialized || tmsEnabled.contains(typeConf.getTypeName()) ) ) {
                typeConf.enableTMS();
            }


            EqualityKey key = new EqualityKey( handle,
                                               _key.getStatus() );
            handle.setEqualityKey( key );
            for( Integer factHandleId : _key.getOtherHandleList() ) {
                handle = (InternalFactHandle) context.handles.get( factHandleId.intValue() );
                key.addFactHandle( handle );
                handle.setEqualityKey( key );
            }
            tms.put( key );
        }

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        FactHandle fd = workingMemory.insertLogical( string );


        assertEquals( 1,
                      tms.getAssertMap().size() );
        
        EqualityKey key = tms.get( string );
        assertSame( fd,
                    key.getFactHandle() );
        assertNull( key.getOtherFactHandle() );


        workingMemory.update( fd,
                                    string );


        assertEquals( 1,
                      tms.getAssertMap().size() );
        key = tms.get( string );
        assertSame( fd,
                    key.getFactHandle() );
        assertNull( key.getOtherFactHandle() );


        workingMemory.retract( fd );


        assertEquals( 0,
                      tms.getAssertMap().size() );
        key = tms.get( string );
        assertNull( key );


        fd = workingMemory.insert( string );


        assertEquals( 1,
                      tms.getAssertMap().size() );


        assertEquals( 1,
                      tms.getAssertMap().size() );
        key = tms.get( string );
        assertSame( fd,
                    key.getFactHandle() );
        assertNull( key.getOtherFactHandle() );
    }

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                                                                                                         handle.getObject() );
            if (!typeConf.isTMSEnabled()) {
                typeConf.enableTMS();
            }


            EqualityKey key = new EqualityKey( handle,
                                               _key.getStatus() );
            handle.setEqualityKey( key );
            for( Integer factHandleId : _key.getOtherHandleList() ) {
                handle = (InternalFactHandle) context.handles.get( factHandleId.intValue() );
                key.addFactHandle( handle );
                handle.setEqualityKey( key );
            }
            tms.put( key );
        }

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        if( !assertMap.isEmpty() || !justifiedMap.isEmpty() ) {
            EqualityKey[] keys = new EqualityKey[assertMap.size()];
            org.drools.core.util.Iterator it = assertMap.iterator();
            int i = 0;
            for ( org.drools.core.util.ObjectHashMap.ObjectEntry entry = (org.drools.core.util.ObjectHashMap.ObjectEntry) it.next(); entry != null; entry = (org.drools.core.util.ObjectHashMap.ObjectEntry) it.next() ) {
                EqualityKey key = (EqualityKey) entry.getKey();
                keys[i++] = key;
            }


            Arrays.sort( keys,
                         EqualityKeySorter.instance );
            
            ProtobufMessages.TruthMaintenanceSystem.Builder _tms = ProtobufMessages.TruthMaintenanceSystem.newBuilder();


            // write the assert map of Equality keys
            for ( EqualityKey key : keys ) {
                ProtobufMessages.EqualityKey.Builder _key = ProtobufMessages.EqualityKey.newBuilder();
                _key.setStatus( key.getStatus() );
                _key.setHandleId( key.getFactHandle().getId() );
                if ( key.getOtherFactHandle() != null && !key.getOtherFactHandle().isEmpty() ) {
                    for ( InternalFactHandle handle : key.getOtherFactHandle() ) {
                        _key.addOtherHandle( handle.getId() );
                    }
                }
                _tms.addKey( _key.build() );
            }

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            ObjectTypeConf typeConf = context.wm.getObjectTypeConfigurationRegistry().getObjectTypeConf( context.wm.getEntryPoint(), handle.getObject() );
            if ( !typeConf.isTMSEnabled() ) {
                typeConf.enableTMS();
            }
            
            EqualityKey key = new EqualityKey( handle,
                                               status );
            handle.setEqualityKey( key );
            while ( stream.readShort() == PersisterEnums.FACT_HANDLE ) {
                factHandleId = stream.readInt();
                handle = (InternalFactHandle) context.handles.get( factHandleId );
                key.addFactHandle( handle );
                handle.setEqualityKey( key );
            }
            tms.put( key );
        }
    }

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