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Java WritableUtils.reinitializeVertexFromByteArray方法代码示例

本文整理汇总了Java中org.apache.giraph.utils.WritableUtils.reinitializeVertexFromByteArray方法的典型用法代码示例。如果您正苦于以下问题:Java WritableUtils.reinitializeVertexFromByteArray方法的具体用法?Java WritableUtils.reinitializeVertexFromByteArray怎么用?Java WritableUtils.reinitializeVertexFromByteArray使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在org.apache.giraph.utils.WritableUtils的用法示例。


在下文中一共展示了WritableUtils.reinitializeVertexFromByteArray方法的9个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: getVertex

import org.apache.giraph.utils.WritableUtils; //导入方法依赖的package包/类
@Override
public Vertex<I, V, E> getVertex(I vertexIndex) {
  byte[] vertexData = vertexMap.get(vertexIndex);
  if (vertexData == null) {
    return null;
  }
  WritableUtils.reinitializeVertexFromByteArray(
      vertexData, representativeVertex, useUnsafeSerialization, getConf());
  return representativeVertex;
}
 
开发者ID:renato2099,项目名称:giraph-gora,代码行数:11,代码来源:ByteArrayPartition.java

示例2: putVertex

import org.apache.giraph.utils.WritableUtils; //导入方法依赖的package包/类
@Override
public Vertex<I, V, E> putVertex(Vertex<I, V, E> vertex) {
  byte[] vertexData =
      WritableUtils.writeVertexToByteArray(
          vertex, useUnsafeSerialization, getConf());
  byte[] oldVertexBytes = vertexMap.put(vertex.getId(), vertexData);
  if (oldVertexBytes == null) {
    return null;
  } else {
    WritableUtils.reinitializeVertexFromByteArray(oldVertexBytes,
        representativeVertex, useUnsafeSerialization, getConf());
    return representativeVertex;
  }
}
 
开发者ID:renato2099,项目名称:giraph-gora,代码行数:15,代码来源:ByteArrayPartition.java

示例3: removeVertex

import org.apache.giraph.utils.WritableUtils; //导入方法依赖的package包/类
@Override
public Vertex<I, V, E> removeVertex(I vertexIndex) {
  byte[] vertexBytes = vertexMap.remove(vertexIndex);
  if (vertexBytes == null) {
    return null;
  }
  WritableUtils.reinitializeVertexFromByteArray(vertexBytes,
      representativeVertex, useUnsafeSerialization, getConf());
  return representativeVertex;
}
 
开发者ID:renato2099,项目名称:giraph-gora,代码行数:11,代码来源:ByteArrayPartition.java

示例4: getEdgeCount

import org.apache.giraph.utils.WritableUtils; //导入方法依赖的package包/类
@Override
public long getEdgeCount() {
  long edges = 0;
  for (byte[] vertexBytes : vertexMap.values()) {
    WritableUtils.reinitializeVertexFromByteArray(vertexBytes,
        representativeVertex, useUnsafeSerialization, getConf());
    edges += representativeVertex.getNumEdges();
  }
  return edges;
}
 
开发者ID:renato2099,项目名称:giraph-gora,代码行数:11,代码来源:ByteArrayPartition.java

示例5: removeVertex

import org.apache.giraph.utils.WritableUtils; //导入方法依赖的package包/类
@Override
public Vertex<I, V, E, M> removeVertex(I vertexIndex) {
  byte[] vertexBytes = vertexMap.remove(vertexIndex);
  if (vertexBytes == null) {
    return null;
  }
  WritableUtils.reinitializeVertexFromByteArray(vertexBytes,
      representativeVertex, useUnsafeSerialization, getConf());
  return representativeVertex;
}
 
开发者ID:zfighter,项目名称:giraph-research,代码行数:11,代码来源:ByteArrayPartition.java

示例6: next

import org.apache.giraph.utils.WritableUtils; //导入方法依赖的package包/类
@Override
public Vertex<I, V, E, M> next() {
  WritableUtils.reinitializeVertexFromByteArray(
      vertexDataIterator.next(), representativeVertex,
      useUnsafeSerialization, getConf());
  return representativeVertex;
}
 
开发者ID:zfighter,项目名称:giraph-research,代码行数:8,代码来源:ByteArrayPartition.java

示例7: getVertex

import org.apache.giraph.utils.WritableUtils; //导入方法依赖的package包/类
@Override
public Vertex<I, V, E, M> getVertex(I vertexIndex) {
  byte[] vertexData = vertexMap.get(vertexIndex);
  if (vertexData == null) {
    return null;
  }
  WritableUtils.reinitializeVertexFromByteArray(
      vertexData, representativeVertex, useUnsafeSerialization, getConf());
  return representativeVertex;
}
 
开发者ID:zfighter,项目名称:giraph-research,代码行数:11,代码来源:ByteArrayPartition.java

示例8: putVertex

import org.apache.giraph.utils.WritableUtils; //导入方法依赖的package包/类
@Override
public Vertex<I, V, E, M> putVertex(Vertex<I, V, E, M> vertex) {
  byte[] vertexData =
      WritableUtils.writeVertexToByteArray(
          vertex, useUnsafeSerialization, getConf());
  byte[] oldVertexBytes = vertexMap.put(vertex.getId(), vertexData);
  if (oldVertexBytes == null) {
    return null;
  } else {
    WritableUtils.reinitializeVertexFromByteArray(oldVertexBytes,
        representativeVertex, useUnsafeSerialization, getConf());
    return representativeVertex;
  }
}
 
开发者ID:zfighter,项目名称:giraph-research,代码行数:15,代码来源:ByteArrayPartition.java

示例9: testSerializeOutEdgesClass

import org.apache.giraph.utils.WritableUtils; //导入方法依赖的package包/类
private void testSerializeOutEdgesClass(
    Class<? extends OutEdges> edgesClass) {
  Vertex<LongWritable, FloatWritable, DoubleWritable, LongWritable> vertex =
      buildVertex(edgesClass);

  long serializeNanosStart;
  long serializeNanos = 0;
  byte[] byteArray = null;
  for (int i = 0; i < REPS; ++i) {
    serializeNanosStart = SystemTime.get().getNanoseconds();
    byteArray = WritableUtils.writeVertexToByteArray(
        vertex, false, vertex.getConf());
    serializeNanos += Times.getNanosecondsSince(SystemTime.get(),
        serializeNanosStart);
  }
  serializeNanos /= REPS;
  System.out.println("testSerialize: Serializing took " +
      serializeNanos + " ns for " + byteArray.length + " bytes " +
      (byteArray.length * 1f * Time.NS_PER_SECOND / serializeNanos) +
      " bytes / sec for " + edgesClass.getName());

  Vertex<LongWritable, FloatWritable, DoubleWritable, LongWritable>
      readVertex = buildVertex(edgesClass);
  
  long deserializeNanosStart;
  long deserializeNanos = 0;
  for (int i = 0; i < REPS; ++i) {
    deserializeNanosStart = SystemTime.get().getNanoseconds();
    WritableUtils.reinitializeVertexFromByteArray(byteArray, readVertex, false, 
        readVertex.getConf());
    deserializeNanos += Times.getNanosecondsSince(SystemTime.get(),
        deserializeNanosStart);
  }
  deserializeNanos /= REPS;
  System.out.println("testSerialize: Deserializing took " +
      deserializeNanos + " ns for " + byteArray.length + " bytes " +
      (byteArray.length * 1f * Time.NS_PER_SECOND / deserializeNanos) +
      " bytes / sec for " + edgesClass.getName());

  assertEquals(vertex.getId(), readVertex.getId());
  assertEquals(vertex.getValue(), readVertex.getValue());
  assertTrue(EdgeIterables.sameEdges(vertex.getEdges(), readVertex.getEdges()));
}
 
开发者ID:zfighter,项目名称:giraph-research,代码行数:44,代码来源:TestVertexAndEdges.java


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