forked from apache/incubator-kie-drools
/
AlphaTerminalNode.java
120 lines (103 loc) · 5.22 KB
/
AlphaTerminalNode.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
/*
* Copyright (c) 2020. Red Hat, Inc. and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.core.reteoo;
import org.drools.core.common.InternalAgenda;
import org.drools.core.common.InternalFactHandle;
import org.drools.core.common.InternalWorkingMemory;
import org.drools.core.phreak.PhreakRuleTerminalNode;
import org.drools.core.phreak.RuleAgendaItem;
import org.drools.core.phreak.RuleExecutor;
import org.drools.core.reteoo.builder.BuildContext;
import org.drools.core.spi.Activation;
import org.drools.core.spi.PropagationContext;
public class AlphaTerminalNode extends LeftInputAdapterNode {
public AlphaTerminalNode() { }
public AlphaTerminalNode(final int id,
final ObjectSource source,
final BuildContext context) {
super(id, source, context);
}
@Override
public void assertObject( InternalFactHandle factHandle, PropagationContext propagationContext, InternalWorkingMemory workingMemory ) {
InternalAgenda agenda = workingMemory.getAgenda();
Sink[] sinks = getSinks();
for (int i = 0; i < sinks.length; i++) {
TerminalNode rtn = ( TerminalNode ) getSinks()[i];
RuleAgendaItem agendaItem = getRuleAgendaItem( workingMemory, agenda, rtn, true );
LeftTuple leftTuple = rtn.createLeftTuple( factHandle, true );
leftTuple.setPropagationContext( propagationContext );
if ( rtn.getRule().getAutoFocus() && !agendaItem.getAgendaGroup().isActive() ) {
agenda.setFocus( agendaItem.getAgendaGroup() );
}
PhreakRuleTerminalNode.doLeftTupleInsert( rtn, agendaItem.getRuleExecutor(), agenda, agendaItem, leftTuple );
}
}
@Override
public void modifyObject(InternalFactHandle factHandle, ModifyPreviousTuples modifyPreviousTuples, PropagationContext context, InternalWorkingMemory workingMemory) {
InternalAgenda agenda = workingMemory.getAgenda();
Sink[] sinks = getSinks();
for (int i = 0; i < sinks.length; i++) {
TerminalNode rtn = ( TerminalNode ) getSinks()[i];
ObjectTypeNode.Id otnId = rtn.getLeftInputOtnId();
LeftTuple leftTuple = processDeletesFromModify(modifyPreviousTuples, context, workingMemory, otnId);
RuleAgendaItem agendaItem = getRuleAgendaItem( workingMemory, agenda, rtn, true );
RuleExecutor executor = agendaItem.getRuleExecutor();
if ( leftTuple != null && leftTuple.getInputOtnId().equals( otnId ) ) {
modifyPreviousTuples.removeLeftTuple(partitionId);
leftTuple.reAdd();
if ( context.getModificationMask().intersects( rtn.getLeftInferredMask() ) ) {
leftTuple.setPropagationContext( context );
PhreakRuleTerminalNode.doLeftTupleUpdate( rtn, executor, agenda, leftTuple );
if (leftTuple instanceof Activation ) {
((Activation) leftTuple).setActive( true );
}
}
} else {
if ( context.getModificationMask().intersects( rtn.getLeftInferredMask() ) ) {
leftTuple = rtn.createLeftTuple( factHandle, true );
leftTuple.setPropagationContext( context );
PhreakRuleTerminalNode.doLeftTupleInsert( rtn, executor, agenda, agendaItem, leftTuple );
}
}
}
}
@Override
public void retractLeftTuple(LeftTuple leftTuple, PropagationContext context, InternalWorkingMemory workingMemory) {
InternalAgenda agenda = workingMemory.getAgenda();
leftTuple.setPropagationContext( context );
TerminalNode rtn = ( TerminalNode ) leftTuple.getTupleSink();
PhreakRuleTerminalNode.doLeftDelete( agenda, getRuleAgendaItem( workingMemory, agenda, rtn, false ).getRuleExecutor(), leftTuple );
}
public static RuleAgendaItem getRuleAgendaItem( InternalWorkingMemory workingMemory, InternalAgenda agenda, TerminalNode rtn, boolean linkPmem ) {
PathMemory pathMemory = workingMemory.getNodeMemory( rtn );
if (linkPmem) {
pathMemory.doLinkRule( agenda );
}
return pathMemory.getRuleAgendaItem();
}
@Override
public boolean equals(final Object object) {
if (this == object) {
return true;
}
if ( object.getClass() != AlphaTerminalNode.class || this.hashCode() != object.hashCode() ) {
return false;
}
return this.getObjectSource().getId() == ((AlphaTerminalNode)object).getObjectSource().getId() && this.sinkMask.equals( ((AlphaTerminalNode) object).sinkMask );
}
@Override
public boolean isTerminal() {
return true;
}
}