Package org.drools.process.instance.context.variable

Examples of org.drools.process.instance.context.variable.VariableScopeInstance

83
84
85
86
87
88
89
90
91
92
93
94
95
            List<NodeInstance> nodeInstances = new ArrayList<NodeInstance>();
            for (Object o: collection) {
                String variableName = getForEachNode().getVariableName();
                CompositeNodeInstance nodeInstance = (CompositeNodeInstance)
                    ((NodeInstanceContainer) getNodeInstanceContainer()).getNodeInstance(getForEachSplitNode().getTo().getTo());
                VariableScopeInstance variableScopeInstance = (VariableScopeInstance)
                    nodeInstance.resolveContextInstance(VariableScope.VARIABLE_SCOPE, variableName);
                variableScopeInstance.setVariable(variableName, o);
                nodeInstances.add(nodeInstance);
            }
            for (NodeInstance nodeInstance: nodeInstances) {
                ((org.drools.workflow.instance.NodeInstance) nodeInstance).trigger(this, getForEachSplitNode().getTo().getToType());
            }
View Full Code Here
99
100
101
102
103
104
105
106
107
108
109
110
111
112
        }
       
        private Collection<?> evaluateCollectionExpression(String collectionExpression) {
            // TODO: should evaluate this expression using MVEL
          Object collection = null;
            VariableScopeInstance variableScopeInstance = (VariableScopeInstance)
                resolveContextInstance(VariableScope.VARIABLE_SCOPE, collectionExpression);
            if (variableScopeInstance != null) {
              collection = variableScopeInstance.getVariable(collectionExpression);
            } else {
              try {
                collection = MVEL.eval(collectionExpression, new NodeInstanceResolverFactory(this));
              } catch (Throwable t) {
                throw new IllegalArgumentException(
View Full Code Here
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
                }
                String n = join.getN();
                Integer number = null;
                if (n.startsWith("#{") && n.endsWith("}")) {
                  n = n.substring(2, n.length() - 1);
                  VariableScopeInstance variableScopeInstance = (VariableScopeInstance)
                    resolveContextInstance(VariableScope.VARIABLE_SCOPE, n);
                  if (variableScopeInstance == null) {
                    throw new IllegalArgumentException(
                    "Could not find variable " + n + " when executing join.");
                  }
                  Object value = variableScopeInstance.getVariable(n);
                  if (value instanceof Number) {
                    number = ((Number) value).intValue();
                  } else {
                    throw new IllegalArgumentException(
                    "Variable " + n + " did not return a number when executing join: " + value);
View Full Code Here
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
    private static final long serialVersionUID = 400L;

    public void signalEvent(String type, Object event) {
      String variableName = getEventNode().getVariableName();
      if (variableName != null) {
        VariableScopeInstance variableScopeInstance = (VariableScopeInstance)
          resolveContextInstance(VariableScope.VARIABLE_SCOPE, variableName);
        if (variableScopeInstance == null) {
          throw new IllegalArgumentException(
          "Could not find variable for event node: " + variableName);
        }
        EventTransformer transformer = getEventNode().getEventTransformer();
        if (transformer != null) {
          event = transformer.transformEvent(event);
        }
        variableScopeInstance.setVariable(variableName, event);
      }
      trigger(null, null);
    }
View Full Code Here
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
        ((WorkItem) workItem).setProcessInstanceId(getProcessInstance().getId());
        ((WorkItem) workItem).setParameters(new HashMap<String, Object>(work.getParameters()));
        for (Iterator<Map.Entry<String, String>> iterator = workItemNode.getInMappings().entrySet().iterator(); iterator.hasNext(); ) {
            Map.Entry<String, String> mapping = iterator.next();
            Object parameterValue = null;
            VariableScopeInstance variableScopeInstance = (VariableScopeInstance)
                resolveContextInstance(VariableScope.VARIABLE_SCOPE, mapping.getValue());
            if (variableScopeInstance != null) {
              parameterValue = variableScopeInstance.getVariable(mapping.getValue());
            } else {
              try {
                parameterValue = MVEL.eval(mapping.getValue(), new NodeInstanceResolverFactory(this));
              } catch (Throwable t) {
                  System.err.println("Could not find variable scope for variable " + mapping.getValue());
                  System.err.println("when trying to execute Work Item " + work.getName());
                  System.err.println("Continuing without setting parameter.");
              }
            }
            if (parameterValue != null) {
              ((WorkItem) workItem).setParameter(mapping.getKey(), parameterValue);
            }
        }
        for (Map.Entry<String, Object> entry: workItem.getParameters().entrySet()) {
          if (entry.getValue() instanceof String) {
            String s = (String) entry.getValue();
            Map<String, String> replacements = new HashMap<String, String>();
            Matcher matcher = PARAMETER_MATCHER.matcher(s);
                while (matcher.find()) {
                  String paramName = matcher.group(1);
                  if (replacements.get(paramName) == null) {
                  VariableScopeInstance variableScopeInstance = (VariableScopeInstance)
                      resolveContextInstance(VariableScope.VARIABLE_SCOPE, paramName);
                    if (variableScopeInstance != null) {
                        Object variableValue = variableScopeInstance.getVariable(paramName);
                      String variableValueString = variableValue == null ? "" : variableValue.toString();
                      replacements.put(paramName, variableValueString);
                    } else {
                      try {
                        Object variableValue = MVEL.eval(paramName, new NodeInstanceResolverFactory(this));
View Full Code Here
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
    }

    public void triggerCompleted(WorkItem workItem) {
        for (Iterator<Map.Entry<String, String>> iterator = getWorkItemNode().getOutMappings().entrySet().iterator(); iterator.hasNext(); ) {
            Map.Entry<String, String> mapping = iterator.next();
            VariableScopeInstance variableScopeInstance = (VariableScopeInstance)
                resolveContextInstance(VariableScope.VARIABLE_SCOPE, mapping.getValue());
            if (variableScopeInstance != null) {
              Object value = workItem.getResult(mapping.getKey());
              if (value == null) {
                try {
                    value = MVEL.eval(mapping.getKey(), new WorkItemResolverFactory(workItem));
                  } catch (Throwable t) {
                    // do nothing
                  }
              }
                variableScopeInstance.setVariable(mapping.getValue(), value);
            } else {
                System.err.println("Could not find variable scope for variable " + mapping.getValue());
                System.err.println("when trying to complete Work Item " + workItem.getName());
                System.err.println("Continuing without setting variable.");
            }
View Full Code Here
65
66
67
68
69
70
71
72
73
74
75
76
77
78
   
    protected Object getFaultData() {
      Object value = null;
      String faultVariable = getFaultNode().getFaultVariable();
      if (faultVariable != null) {
        VariableScopeInstance variableScopeInstance = (VariableScopeInstance)
              resolveContextInstance(VariableScope.VARIABLE_SCOPE, faultVariable);
            if (variableScopeInstance != null) {
                value = variableScopeInstance.getVariable(faultVariable);
            } else {
                System.err.println("Could not find variable scope for variable " + faultVariable);
                System.err.println("when trying to execute fault node " + getFaultNode().getName());
                System.err.println("Continuing without setting value.");
            }
View Full Code Here
48
49
50
51
52
53
54
55
56
57
58
59
    stream.writeLong(workFlow.getId());
    stream.writeUTF(workFlow.getProcessId());
    stream.writeInt(workFlow.getState());
    stream.writeLong(workFlow.getNodeInstanceCounter());
   
    VariableScopeInstance variableScopeInstance = (VariableScopeInstance) workFlow.getContextInstance( VariableScope.VARIABLE_SCOPE );
        Map<String, Object> variables = variableScopeInstance.getVariables();
        List<String> keys = new ArrayList<String>( variables.keySet() );
        Collections.sort( keys,
                          new Comparator<String>() {
                              public int compare(String o1,
                                                 String o2) {
View Full Code Here
147
148
149
150
151
152
153
154
155
156
157
158
                  stream.writeInt( triggers.get( key ) );
              }
          } else if ( nodeInstance instanceof CompositeContextNodeInstance ) {
              stream.writeShort( PersisterEnums.COMPOSITE_NODE_INSTANCE );
              CompositeContextNodeInstance compositeNodeInstance = (CompositeContextNodeInstance) nodeInstance;
              VariableScopeInstance variableScopeInstance = (VariableScopeInstance) compositeNodeInstance.getContextInstance( VariableScope.VARIABLE_SCOPE );
              Map<String, Object> variables = variableScopeInstance.getVariables();
              List<String> keys = new ArrayList<String>( variables.keySet() );
              Collections.sort( keys,
                                new Comparator<String>() {
                                    public int compare(String o1,
                                                       String o2) {
View Full Code Here
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
        long nodeInstanceCounter = stream.readLong();
        processInstance.setWorkingMemory( wm );

        int nbVariables = stream.readInt();
        if ( nbVariables > 0 ) {
            VariableScopeInstance variableScopeInstance = (VariableScopeInstance) processInstance.getContextInstance( VariableScope.VARIABLE_SCOPE );
            for ( int i = 0; i < nbVariables; i++ ) {
                String name = stream.readUTF();
                try {
                    Object value = stream.readObject();
                    variableScopeInstance.setVariable( name,
                                                       value );
                } catch ( ClassNotFoundException e ) {
                    throw new IllegalArgumentException( "Could not reload variable " + name );
                }
            }
View Full Code Here
TOP

Related Classes of org.drools.process.instance.context.variable.VariableScopeInstance

  • org.drools.common.AbstractWorkingMemory
  • org.drools.integrationtests.ProcessMarchallingTest
  • org.drools.integrationtests.ProcessMilestoneTest$ProcessUtils
  • org.drools.integrationtests.ProcessSplitTest$ProcessUtils
  • org.drools.integrationtests.ProcessSubProcessTest
  • org.drools.integrationtests.ProcessWorkItemTest
  • org.drools.jpdl.instance.node.JpdlNodeInstance$JpdlExecutionContext
  • org.drools.jpdl.instance.node.ProcessStateInstance
  • org.drools.jpdl.instance.node.TaskUtils
  • org.drools.marshalling.impl.AbstractProcessInstanceMarshaller
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.