本文整理了Java中org.apache.giraph.graph.Vertex.getId()方法的一些代码示例，展示了Vertex.getId()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Vertex.getId()方法的具体详情如下：
包路径：org.apache.giraph.graph.Vertex
类名称：Vertex
方法名：getId

Vertex.getId介绍

[英]Get the vertex id.
[中]获取顶点id。

代码示例

代码示例来源：origin: apache/giraph

@Override
 public I get(Vertex<I, V, E> vertex) {
  return vertex.getId();
 }
};

代码示例来源：origin: org.apache.giraph/giraph-core

/**
 * Set vertex, replace if there was already a vertex with same id added
 *
 * @param vertex Vertex
 * @return this
 */
public TestGraph<I, V, E> setVertex(Vertex<I, V, E> vertex) {
 vertices.put(vertex.getId(), vertex);
 return this;
}

代码示例来源：origin: grafos-ml/okapi

@Override
 public void setClass() {
  setClass(_vertex.getId().getClass());
 }
};

代码示例来源：origin: grafos-ml/okapi

@Override
 public void setClass() {
  setClass(_vertex.getId().getClass());
 }
};

代码示例来源：origin: grafos-ml/okapi

@Override
  public void compute(
      Vertex<LongWritable, VertexValue, EdgeValue> vertex,
      Iterable<LongWritable> messages) throws IOException {
    sendMessageToAllEdges(vertex, vertex.getId());
  }
}

代码示例来源：origin: grafos-ml/okapi

@Override
 public void setClass() {
  setClass(_vertex.getId().getClass());
 }
};

代码示例来源：origin: grafos-ml/okapi

/**
 * Is this vertex the source id?
 *
 * @return True if the source id
 */
private boolean isSource(
  Vertex<LongWritable, DoubleWritable, FloatWritable> vertex) {
 return vertex.getId().get() ==
   getContext().getConfiguration().getLong(SOURCE_ID,
     SOURCE_ID_DEFAULT);
}

代码示例来源：origin: org.apache.giraph/giraph-examples

@Override
 public void writeVertex(
  Vertex<LongWritable, DoubleWritable, DoubleWritable> vertex)
  throws IOException, InterruptedException {
  StringBuilder output = new StringBuilder();
  output.append(vertex.getId().get());
  output.append('\t');
  output.append(vertex.getValue().get());
  getRecordWriter().write(new Text(output.toString()), null);
 }
}

代码示例来源：origin: org.apache.giraph/giraph-examples

@Override
 public void writeVertex(
   Vertex<LongWritable, DoubleWritable, NullWritable> vertex)
  throws IOException, InterruptedException {
  StringBuilder output = new StringBuilder();
  output.append(vertex.getId().get());
  output.append('\t');
  output.append(vertex.getValue().get());
  getRecordWriter().write(new Text(output.toString()), null);
 }
}

代码示例来源：origin: org.apache.giraph/giraph-core

/**
 * Check if vertex is source from which to calculate shortest paths.
 *
 * @param vertex Vertex
 * @return True iff vertex is source for shortest paths
 */
private boolean isSource(
  Vertex<LongWritable, DoubleWritable, DoubleWritable> vertex) {
 return vertex.getId().get() ==
   getConf().getLong(SOURCE_ID, SOURCE_ID_DEFAULT);
}

代码示例来源：origin: grafos-ml/okapi

@Override
protected Text convertVertexToLine(
    Vertex<LongWritable, KMeansVertexValue, NullWritable> vertex)
    throws IOException {
  StringBuffer sb = new StringBuffer(vertex.getId().toString());
  sb.append(delimiter);
  sb.append(vertex.getValue().getClusterId().toString());
  return new Text(sb.toString());
}

代码示例来源：origin: org.apache.giraph/giraph-core

/**
 * The backing store of the current vertex id is now released.
 * Further calls to getCurrentVertexId () without calling next()
 * will return null.
 *
 * @return Current vertex id that was released
 */
public I releaseCurrentVertexId() {
 I releasedVertexId = vertex.getId();
 vertex.initialize(null, vertex.getValue());
 return releasedVertexId;
}

代码示例来源：origin: org.apache.giraph/giraph-core

@Override
 public void writeVertex(
  Vertex<WritableComparable, Writable, Writable> vertex)
  throws IOException, InterruptedException {
  StringBuilder sb = new StringBuilder(vertex.getNumEdges() * 10);
  for (Edge<WritableComparable, Writable> edge : vertex.getEdges()) {
   addEdge(sb, vertex.getId(), edge);
  }
  addNodeInfo(vertex, sb);
  getRecordWriter().write(new Text(sb.toString()), null);
 }
}

代码示例来源：origin: grafos-ml/okapi

@Override
  protected Text convertVertexToLine(
      Vertex<CfLongId, FloatMatrixWritable, BooleanWritable> vertex)
      throws IOException {
    if (outputEdge.equals(vertex.getId())){
      return new Text(vertex.getValue().toString());
    }
    return null;
  }
};

代码示例来源：origin: org.apache.giraph/giraph-examples

@Override
 public void writeVertex(
  Vertex<LongWritable, IntWritable, FloatWritable> vertex)
  throws IOException, InterruptedException {
  getRecordWriter().write(
    new Text(vertex.getId().toString()),
    new Text(vertex.getValue().toString()));
 }
}

代码示例来源：origin: org.apache.giraph/giraph-examples

@Override
 public void writeVertex(Vertex<LongWritable, IntWritable,
   FloatWritable> vertex) throws IOException, InterruptedException {
  getRecordWriter().write(
    new Text(vertex.getId().toString()),
    new Text(vertex.getValue().toString()));
 }
}

代码示例来源：origin: grafos-ml/okapi

public void computeScoreAndSendBack(
  Vertex<CfLongId, FloatMatrixWritable, BooleanWritable> vertex,
  Iterable<FloatMatrixMessage> messages) {
 if (vertex.getId().isItem()){//only items send messages
  for(FloatMatrixMessage msg : messages){
   float score = msg.getFactors().dot(vertex.getValue());
   FloatMatrixMessage msgToSendBack = 
     new FloatMatrixMessage(vertex.getId(), emptyList, score);
   sendMessage(msg.getSenderId(), msgToSendBack);
  }
 }
}

代码示例来源：origin: org.apache.giraph/giraph-examples

/**
 * Traverse the transposed graph and keep the maximum vertex value.
 * @param vertex Current vertex.
 */
private void backwardTraversalStart(
  Vertex<LongWritable, SccVertexValue, NullWritable> vertex) {
 SccVertexValue vertexValue = vertex.getValue();
 if (vertexValue.get() == vertex.getId().get()) {
  messageValue.set(vertexValue.get());
  sendMessageToAllParents(vertex, messageValue);
 }
}

代码示例来源：origin: grafos-ml/okapi

@Override
 public void compute(
   Vertex<LongWritable, NullWritable, DoubleWritable> vertex,
   Iterable<LongIdBloomFilter> messages) throws IOException {
  
  BloomFilter filter = new BloomFilter(numBits, numFunctions, hashType);
  for (Edge<LongWritable, DoubleWritable> e : vertex.getEdges()) {
   filter.add(new Key(Longs.toByteArray(e.getTargetVertexId().get())));
  }
  sendMessageToAllEdges(vertex, 
    new LongIdBloomFilter(vertex.getId(), filter, vertex.getNumEdges()));
 }
}

代码示例来源：origin: grafos-ml/okapi

/**
 * We override this function as we need a special treatment for item biases. See the class documentation for the explanation.
 */
protected void initFactorsIfNeeded(Vertex<CfLongId,FloatMatrixWritable,FloatWritable> vertex) {
  if (null == vertex.getValue() || vertex.getValue().columns != d+1){
    vertex.setValue(new FloatMatrixWritable(FloatMatrix.rand(d + 1)));
  }
  if (vertex.getId().isUser()){//In BPR the first factor of the user is always 1, its to have item baselines
    vertex.getValue().put(0, 1f);
  }
}