Package lupos.engine.operators.messages

Examples of lupos.engine.operators.messages.BoundVariablesMessage

90
91
92
93
94
95
96
    }

    rootOperator.deleteParents();
    rootOperator.setParents();
    rootOperator.detectCycles();
    rootOperator.sendMessage(new BoundVariablesMessage());
  }
View Full Code Here
92
93
94
95
96
97
98
99
    }

    rootOperator.deleteParents();
    rootOperator.setParents();
    rootOperator.detectCycles();
    rootOperator.sendMessage(new BoundVariablesMessage());
    return null;
  }
View Full Code Here
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
    return this.rootNodeOfSubGraph;
  }

  @Override
  public Message preProcessMessage(final BoundVariablesMessage msg) {
    final BoundVariablesMessage newMsg = new BoundVariablesMessage(msg);
    //Send Message through the subgraph container graph
    this.getRootOfSubgraph().sendMessage(new BoundVariablesMessage());
    // Search for "result"-node
    final Result result = (Result) this.getRootOfSubgraph().visitAndStop(new SimpleOperatorGraphVisitor(){
      @Override
      public Object visit(final BasicOperator basicOperator) {
        if(basicOperator instanceof Result) {
          return basicOperator;
        } else {
          return null;
        }
      }});
    //set the union variables of the result node of the subgraph
    newMsg.setVariables(result.getUnionVariables());
    this.unionVariables = result.getUnionVariables();
    this.intersectionVariables = result.getUnionVariables();
    return newMsg;
  }
View Full Code Here
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
    return msg;
  }

  @Override
  public Message preProcessMessage(final BoundVariablesMessage msg) {
    final BoundVariablesMessage msg_result = new BoundVariablesMessage(msg);
    Set<Variable> variableSet = null;
    // the variables, which are always bound are the intersection
    // variables of the left hand side
    for (final BasicOperator parent : this.getPrecedingOperators()) {
      final OperatorIDTuple opID = parent.getOperatorIDTuple(this);
      if (opID.getId() == 0) {
        if (variableSet == null) {
          variableSet = new HashSet<Variable>();
          if(parent.getIntersectionVariables()!=null){
            variableSet.addAll(parent.getIntersectionVariables());
          } else {
            System.err.println("Minus: Intersection variables of parent node not set!");
          }
        } else {
          if(parent.getIntersectionVariables()!=null){
            variableSet.retainAll(parent.getIntersectionVariables());
          } else {
            System.err.println("Minus: Intersection variables of parent node not set!");
          }
        }
      }
    }

    this.intersectionVariables = variableSet;

    msg_result.setVariables(this.intersectionVariables);
    return msg_result;
  }
View Full Code Here
186
187
188
189
190
191
192
193
194
195
196
    if (deleteFilter || operator instanceof Join) {
      final BasicOperator op2 = filter.getPrecedingOperators().get(0);
      op2.setSucceedingOperators(filter.getSucceedingOperators());
      rootOperator.deleteParents();
      rootOperator.setParents();
      rootOperator.sendMessage(new BoundVariablesMessage());
      deleted.add(filter);
    }
    return new Tuple<Collection<BasicOperator>, Collection<BasicOperator>>(
        added, deleted);
  }
View Full Code Here
96
97
98
99
100
101
102
103
    }

    rootOperator.deleteParents();
    rootOperator.setParents();
    rootOperator.detectCycles();
    rootOperator.sendMessage(new BoundVariablesMessage());
    return null;
  }
View Full Code Here
174
175
176
177
178
179
180
181
182
183
184
    triplePattern.setSucceedingOperator(new OperatorIDTuple(addBinding, 0));

    rootOperator.deleteParents();
    rootOperator.setParents();
    rootOperator.detectCycles();
    rootOperator.sendMessage(new BoundVariablesMessage());
    deleted.add(filter);
    if (deleted.size() > 0 || added.size() > 0)
      return new Tuple<Collection<BasicOperator>, Collection<BasicOperator>>(
          added, deleted);
    else
View Full Code Here
71
72
73
74
75
76
77
78
79
80
81
    }

    rootOperator.deleteParents();
    rootOperator.setParents();
    rootOperator.detectCycles();
    rootOperator.sendMessage(new BoundVariablesMessage());
    deleted.add(op);
    if (deleted.size() > 0 || added.size() > 0)
      return new Tuple<Collection<BasicOperator>, Collection<BasicOperator>>(
          added, deleted);
    else
View Full Code Here
208
209
210
211
212
213
214
215
216
217
218
      }
    }
    rootOperator.deleteParents();
    rootOperator.setParents();
    rootOperator.detectCycles();
    rootOperator.sendMessage(new BoundVariablesMessage());
    if (deleted.size() > 0 || added.size() > 0) {
      return new Tuple<Collection<BasicOperator>, Collection<BasicOperator>>(
          added, deleted);
    } else {
      return null;
View Full Code Here
167
168
169
170
171
172
173
174
175
  }

  @Override
  public Message preProcessMessage(final BoundVariablesMessage msg) {
    this.recomputeVariables();
    final BoundVariablesMessage result = new BoundVariablesMessage(msg);
    result.getVariables().addAll(this.unionVariables);
    return result;
  }
View Full Code Here
TOP

Related Classes of lupos.engine.operators.messages.BoundVariablesMessage

  • lupos.distributed.operator.SubgraphContainer
  • lupos.distributed.storage.util.LocalExecutor
  • lupos.engine.evaluators.BasicIndexQueryEvaluator
  • lupos.engine.evaluators.StreamQueryEvaluator
  • lupos.engine.operators.BasicOperator
  • lupos.engine.operators.index.BasicIndexScan
  • lupos.engine.operators.multiinput.minus.Minus
  • lupos.engine.operators.multiinput.Union
  • lupos.engine.operators.singleinput.ComputeBindings
  • lupos.engine.operators.singleinput.federated.FederatedQueryWithoutSucceedingJoin
    • 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.