Package lupos.datastructures.queryresult

Examples of lupos.datastructures.queryresult.QueryResult

299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
  private OptionalResult joinOptionalResult(final QueryResult left,
      final QueryResult right) {
    if (left == null || right == null) {
      return null;
    }
    final QueryResult smaller;
    final QueryResult larger;
    if (left.size() < right.size()) {
      smaller = left;
      larger = right;
    } else {
      smaller = right;
      larger = left;
    }
    // I) building phase
    // Ia) now build partitions of the smaller bag
    final LinkedList<HashFunction> hashFunctions = new LinkedList<HashFunction>();
    final NodeInPartitionTree rootSmaller = this.buildPartitionsOfSmallerBag(smaller, hashFunctions, 0);
    // Ib) now build partitions of the larger bag in the same way as the
    // smaller bag
    final NodeInPartitionTree rootLarger = this.buildPartitionsOfLargerBag(larger, rootSmaller, hashFunctions, 0);
    // II) Probing phase: now join the corresponding partitions of the
    // smaller with the larger bag...
    // Resources are released during probing...
    final OptionalResult or = new OptionalResult(new QueryResult(0), new QueryResult(0));
    this.probeOptional(rootSmaller, rootLarger, left.size() < right.size(), or);
    return or;
  }
View Full Code Here
344
345
346
347
348
349
350
351
352
353
354
355
356
  @Override
  public Message preProcessMessageDebug(final EndOfEvaluationMessage msg,
      final DebugStep debugstep) {
    if (!this.operands[0].isEmpty() && !this.operands[1].isEmpty()) {
      final QueryResult qr = this.join(this.operands[0].getQueryResult(), this.operands[1].getQueryResult());
      if (qr != null) {
        this.realCardinality = qr.size();
        for (final OperatorIDTuple opId : this.succeedingOperators) {
          final QueryResultDebug qrDebug = new QueryResultDebug(qr, debugstep, this, opId.getOperator(), true);
          ((Operator) opId.getOperator()).processAllDebug(qrDebug, opId.getId(), debugstep);
        }
      }
View Full Code Here
85
86
87
88
89
90
91
92
93
94
95
      this.comp.setVariables(this.intersectionVariables);
      final ParallelIterator<Bindings> currentResult = (this.intersectionVariables
          .size() == 0) ? MergeJoin.cartesianProductIterator(this.left, this.right) :
            MergeJoin.mergeJoinIterator(this.left.oneTimeIterator(), this.right.oneTimeIterator(), this.comp, this.intersectionVariables, this.bindingsFactory);
      if (currentResult != null && currentResult.hasNext()) {
        final QueryResult result = QueryResult
            .createInstance(new SIPParallelIterator<Bindings, Bindings>() {

              int number = 0;

              @Override
View Full Code Here
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
    init();
  }

  @Override
  public QueryResult process(final QueryResult bindings, final int operandID) {
    final QueryResult qr = QueryResult.createInstance();
    final Iterator<Bindings> itb = bindings.oneTimeIterator();
    while (itb.hasNext())
      this.lba[operandID].add(itb.next());

    for (final Bindings binding : bindings) {

      for (int i = 0; i < this.getNumberOfOperands(); i++) {
        if (this.lba[i].isEmpty()) {
          return null;
        }
      }
      qr.addAll(combineAndProcess(operandID, binding, 0, QueryResult
          .createInstance()));
    }
    if (qr.size() > 0)
      return qr;
    else
      return null;
  }
View Full Code Here
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
  @Override
  public OptionalResult processJoin(final QueryResult bindings,
      final int operandID) {
    final OptionalResult or = new OptionalResult();
    final QueryResult qr = QueryResult.createInstance();
    final QueryResult joinPartnerFromLeftOperand = QueryResult
        .createInstance();
    this.lba[operandID].addAll(bindings);

    for (final Bindings binding : bindings) {

      for (int i = 0; i < this.getNumberOfOperands(); i++) {
        if (this.lba[i].isEmpty()) {
          return or;
        }
      }
      // like qr.addAll(combineAndProcess(operandID, binding , 0,
      // QueryResult.createInstance())), but for determining the
      // joinPartnerFromLeftOperand
      if (operandID == 0) {
        final QueryResult bl = QueryResult.createInstance();
        bl.add(binding);
        final QueryResult qr2 = combineAndProcess(operandID, binding,
            1, bl);
        qr.addAll(qr2);
        if (qr2 != null && qr2.size() > 0)
          joinPartnerFromLeftOperand.add(binding);
      } else {
        final Iterator<Bindings> it = this.lba[0].iterator();
        while (it.hasNext()) {
          final Bindings b = it.next();
          final QueryResult bl = QueryResult.createInstance();
          bl.add(b);
          final QueryResult joinResult = combineAndProcess(operandID,
              binding, 1, bl);
          if (joinResult.size() > 0) {
            qr.addAll(joinResult);
            joinPartnerFromLeftOperand.add(b);
          }
        }
      }
View Full Code Here
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
   *
   * @param Dataset
   */
  @Override
  public QueryResult process(final Dataset dataset) {
    final QueryResult queryResult = QueryResult.createInstance();
    if(this.rdfGraph!=null && this.rdfGraph.isVariable()){
      final Variable graphConstraint = (Variable) this.rdfGraph;
      if (this.root.namedGraphs != null && this.root.namedGraphs.size() > 0) {
        // Convert the named graphs' names into URILiterals
        // to be applicable later on
        for (final String name : this.root.namedGraphs) {
          final Bindings graphConstraintBindings = this.bindingsFactory.createInstance();
          try {
            graphConstraintBindings.add(graphConstraint, LiteralFactory.createURILiteralWithoutLazyLiteral(name));
          } catch (final URISyntaxException e) {
            System.err.println(e);
            e.printStackTrace();
          }
          queryResult.add(graphConstraintBindings);
        }
        } else {
          final Collection<Indices> dataSetIndices = dataset.getNamedGraphIndices();
          if (dataSetIndices != null) {
            for (final Indices indices : dataSetIndices) {
              final Bindings graphConstraintBindings = this.bindingsFactory.createInstance();
              graphConstraintBindings.add(graphConstraint, indices.getRdfName());
              queryResult.add(graphConstraintBindings);
            }
          }
        }
    } else {
      queryResult.add(this.bindingsFactory.createInstance());
    }

    return queryResult;
  }
View Full Code Here
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
  }

  private QueryResult combineAndProcess(final int pos,
      final Bindings binding, final int currentPos,
      final QueryResult bindings) {
    final QueryResult qr = QueryResult.createInstance();
    if (pos == currentPos) {
      bindings.add(binding);
      qr
          .addAll(combineAndProcess(pos, binding, currentPos + 1,
              bindings));
    } else if (currentPos < this.getNumberOfOperands()) {
      final Iterator<Bindings> it = this.lba[currentPos].iterator();
      while (it.hasNext()) {
        final Bindings b = it.next();
        final QueryResult bl = bindings.clone();
        bl.add(b);
        qr.addAll(combineAndProcess(pos, binding, currentPos + 1, bl));
      }
    }
    if (currentPos == this.getNumberOfOperands()) {
      qr.addAll(joinBindings(bindings));
View Full Code Here
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
  public abstract void init();

  @Override
  public synchronized QueryResult process(final QueryResult bindings, final int operandID) {
    final QueryResult result = this.createQueryResult();

    int otherOperand = 1-operandID;

    final Iterator<Bindings> itbindings = bindings.oneTimeIterator();
    while (itbindings.hasNext()) {

      final Bindings binding = itbindings.next();
      String keyJoin = "";
      final Iterator<Variable> it = this.intersectionVariables.iterator();
      while (it.hasNext()) {
        final Literal literal = binding.get(it.next());
        if (literal == null) {
          boolean added = this.cartesianProduct[operandID].add(binding);
          if(added || !isDuplicateEliminationEnabled()){
            // build the cartesian product
            for (final Bindings b2 : this.cartesianProduct[otherOperand]) {
              joinBindings(result, binding.clone(), b2);
            }
 
            for (final QueryResult qr : this.lba[otherOperand].values()) {
              for (final Bindings b2 : qr) {
                joinBindings(result, binding.clone(), b2);
              }
            }
          }

          keyJoin = null;
          break;
        }
        keyJoin += "|" + literal.getKey();
      }

      if (keyJoin == null)
        continue;

      QueryResult lb = this.lba[operandID].get(keyJoin);
      if (lb == null){
        lb = this.createQueryResult();
      }
      boolean added = lb.add(binding);
      this.lba[operandID].put(keyJoin, lb);

      if(added || !isDuplicateEliminationEnabled()){
        final QueryResult toJoin = this.lba[otherOperand].get(keyJoin);
        if (toJoin != null) {
          final Iterator<Bindings> itb = toJoin.iterator();
          while (itb.hasNext()) {
            final Bindings b2 = itb.next();

            joinBindings(result, binding.clone(), b2);
          }
View Full Code Here
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
  public synchronized OptionalResult processJoin(final QueryResult bindings,
      final int operandID) {
    // different from process:
    final OptionalResult or = new OptionalResult();
    // different from process:
    final QueryResult joinPartnerFromLeftOperand = this.createQueryResult();
    final QueryResult result = this.createQueryResult();
    int otherOperand = 1-operandID;
    final Iterator<Bindings> itbindings = bindings.oneTimeIterator();
    while (itbindings.hasNext()) {
      final Bindings binding = itbindings.next();
      String keyJoin = "";
      final Iterator<Variable> it = this.intersectionVariables.iterator();
      while (it.hasNext()) {
        final Literal literal = binding.get(it.next());
        if (literal == null) {
          boolean added = this.cartesianProduct[operandID].add(binding);
          if(added || !isDuplicateEliminationEnabled()){
            // build the cartesian product
            for (final Bindings b2 : this.cartesianProduct[otherOperand]) {
              if(joinBindings(result, binding.clone(), b2)){
                if (operandID == 1) {
                  joinPartnerFromLeftOperand.add(b2);
                } else {
                  joinPartnerFromLeftOperand.add(binding);
                }             
              }
            }
 
            for (final QueryResult qr : this.lba[otherOperand].values()) {
              for (final Bindings b2 : qr) {
                if(joinBindings(result, binding.clone(), b2)){
                  if (operandID == 1) {
                    joinPartnerFromLeftOperand.add(b2);
                  } else {
                    joinPartnerFromLeftOperand.add(binding);
                  }               
                }
              }
            }
          }

          keyJoin = null;
          break;
        }
        keyJoin += "|" + literal.getKey();
      }

      if (keyJoin == null)
        continue;
     
      QueryResult lb = this.lba[operandID].get(keyJoin);
      if (lb == null){
        lb = this.createQueryResult();
      }
      boolean added = lb.add(binding);
      if(added || !isDuplicateEliminationEnabled()){
        this.lba[operandID].put(keyJoin, lb);
 
        final QueryResult toJoin = this.lba[otherOperand].get(keyJoin);
        if (toJoin != null) {
 
          final Iterator<Bindings> itb = toJoin.iterator();
          while (itb.hasNext()) {
            final Bindings b2 = itb.next();
 
            // different from process:
            if (joinBindings(result, binding.clone(), b2)) {
View Full Code Here
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
    this.lba[operandID].clear();
  }

  @Override
  public QueryResult deleteQueryResult(final QueryResult queryResult, final int operandID) {
    final QueryResult result = this.createQueryResult();

    int otherOperand;
    if (operandID == 0)
      otherOperand = 1;
    else
      otherOperand = 0;

    final Iterator<Bindings> itbindings = queryResult.oneTimeIterator();
    while (itbindings.hasNext()) {

      final Bindings binding = itbindings.next();
      String keyJoin = "";
      final Iterator<Variable> it = this.intersectionVariables.iterator();
      while (it.hasNext()) {
        final Literal literal = binding.get(it.next());
        if (literal == null) {
          boolean removed = this.cartesianProduct[operandID].remove(binding);
          if(removed || !isDuplicateEliminationEnabled()){
            // build the cartesian product
            for (final Bindings b2 : this.cartesianProduct[otherOperand]) {
              joinBindings(result, binding.clone(), b2);
            }
 
            for (final QueryResult qr : this.lba[otherOperand].values()) {
              for (final Bindings b2 : qr) {
                joinBindings(result, binding.clone(), b2);
              }
            }
          }

          keyJoin = null;
          break;
        }
        keyJoin += "|" + literal.getKey();
      }

      if (keyJoin == null)
        continue;

      final QueryResult lb = this.lba[operandID].get(keyJoin);
      boolean removed = false;
      if (lb != null){
        removed = lb.remove(binding);
      }
      this.lba[operandID].put(keyJoin, lb);

      if(removed || !isDuplicateEliminationEnabled()){
        final QueryResult toJoin = this.lba[otherOperand].get(keyJoin);
        if (toJoin != null) {
 
          final Iterator<Bindings> itb = toJoin.iterator();
          while (itb.hasNext()) {
            final Bindings b2 = itb.next();
 
            joinBindings(result, binding.clone(), b2);
          }
View Full Code Here
TOP

Related Classes of lupos.datastructures.queryresult.QueryResult

  • lupos.datastructures.bindings.Bindings
  • lupos.distributed.operator.AsynchronSubgraphContainer
  • lupos.distributed.operator.SubgraphContainer
  • lupos.distributed.p2p.commandline.StartConsole
  • lupos.distributed.p2p.network.impl.ChordlessLocalStorage
  • lupos.distributed.p2p.network.impl.EndpointNetwork
  • lupos.distributed.p2p.network.impl.TomP2PLocalStorage
  • lupos.distributed.p2p.query.withsubgraph.P2P_SubgraphExecuter
  • lupos.distributed.p2p.storage.StorageWithDistributionStrategy
  • lupos.distributed.query.operator.withouthistogramsubmission.QueryClientIndexScan
    • 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.