org.apache.flink.streaming.api.datastream.SingleOutputStreamOperator.canBeParallel()方法的使用及代码示例

x33g5p2x  于2022-01-30 转载在 其他  
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本文整理了Java中org.apache.flink.streaming.api.datastream.SingleOutputStreamOperator.canBeParallel()方法的一些代码示例,展示了SingleOutputStreamOperator.canBeParallel()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。SingleOutputStreamOperator.canBeParallel()方法的具体详情如下:
包路径:org.apache.flink.streaming.api.datastream.SingleOutputStreamOperator
类名称:SingleOutputStreamOperator
方法名:canBeParallel

SingleOutputStreamOperator.canBeParallel介绍

暂无

代码示例

代码示例来源:origin: apache/flink

/**
 * Sets the parallelism for this operator.
 *
 * @param parallelism
 *            The parallelism for this operator.
 * @return The operator with set parallelism.
 */
public SingleOutputStreamOperator<T> setParallelism(int parallelism) {
  Preconditions.checkArgument(canBeParallel() || parallelism == 1,
      "The parallelism of non parallel operator must be 1.");
  transformation.setParallelism(parallelism);
  return this;
}

代码示例来源:origin: apache/flink

/**
 * Sets the maximum parallelism of this operator.
 *
 * <p>The maximum parallelism specifies the upper bound for dynamic scaling. It also defines the
 * number of key groups used for partitioned state.
 *
 * @param maxParallelism Maximum parallelism
 * @return The operator with set maximum parallelism
 */
@PublicEvolving
public SingleOutputStreamOperator<T> setMaxParallelism(int maxParallelism) {
  Preconditions.checkArgument(maxParallelism > 0,
      "The maximum parallelism must be greater than 0.");
  Preconditions.checkArgument(canBeParallel() || maxParallelism == 1,
      "The maximum parallelism of non parallel operator must be 1.");
  transformation.setMaxParallelism(maxParallelism);
  return this;
}

代码示例来源:origin: org.apache.flink/flink-streaming-java_2.11

/**
 * Sets the parallelism for this operator.
 *
 * @param parallelism
 *            The parallelism for this operator.
 * @return The operator with set parallelism.
 */
public SingleOutputStreamOperator<T> setParallelism(int parallelism) {
  Preconditions.checkArgument(canBeParallel() || parallelism == 1,
      "The parallelism of non parallel operator must be 1.");
  transformation.setParallelism(parallelism);
  return this;
}

代码示例来源:origin: org.apache.flink/flink-streaming-java

/**
 * Sets the parallelism for this operator.
 *
 * @param parallelism
 *            The parallelism for this operator.
 * @return The operator with set parallelism.
 */
public SingleOutputStreamOperator<T> setParallelism(int parallelism) {
  Preconditions.checkArgument(canBeParallel() || parallelism == 1,
      "The parallelism of non parallel operator must be 1.");
  transformation.setParallelism(parallelism);
  return this;
}

代码示例来源:origin: org.apache.flink/flink-streaming-java_2.10

/**
 * Sets the parallelism for this operator. The degree must be 1 or more.
 *
 * @param parallelism
 *            The parallelism for this operator.
 * @return The operator with set parallelism.
 */
public SingleOutputStreamOperator<T> setParallelism(int parallelism) {
  Preconditions.checkArgument(parallelism > 0,
      "The parallelism of an operator must be at least 1.");
  Preconditions.checkArgument(canBeParallel() || parallelism == 1,
      "The parallelism of non parallel operator must be 1.");
  transformation.setParallelism(parallelism);
  return this;
}

代码示例来源:origin: org.apache.flink/flink-streaming-java

/**
 * Sets the maximum parallelism of this operator.
 *
 * <p>The maximum parallelism specifies the upper bound for dynamic scaling. It also defines the
 * number of key groups used for partitioned state.
 *
 * @param maxParallelism Maximum parallelism
 * @return The operator with set maximum parallelism
 */
@PublicEvolving
public SingleOutputStreamOperator<T> setMaxParallelism(int maxParallelism) {
  Preconditions.checkArgument(maxParallelism > 0,
      "The maximum parallelism must be greater than 0.");
  Preconditions.checkArgument(canBeParallel() || maxParallelism == 1,
      "The maximum parallelism of non parallel operator must be 1.");
  transformation.setMaxParallelism(maxParallelism);
  return this;
}

代码示例来源:origin: org.apache.flink/flink-streaming-java_2.11

/**
 * Sets the maximum parallelism of this operator.
 *
 * <p>The maximum parallelism specifies the upper bound for dynamic scaling. It also defines the
 * number of key groups used for partitioned state.
 *
 * @param maxParallelism Maximum parallelism
 * @return The operator with set maximum parallelism
 */
@PublicEvolving
public SingleOutputStreamOperator<T> setMaxParallelism(int maxParallelism) {
  Preconditions.checkArgument(maxParallelism > 0,
      "The maximum parallelism must be greater than 0.");
  Preconditions.checkArgument(canBeParallel() || maxParallelism == 1,
      "The maximum parallelism of non parallel operator must be 1.");
  transformation.setMaxParallelism(maxParallelism);
  return this;
}

代码示例来源:origin: org.apache.flink/flink-streaming-java_2.10

/**
 * Sets the maximum parallelism of this operator.
 *
 * <p>The maximum parallelism specifies the upper bound for dynamic scaling. It also defines the
 * number of key groups used for partitioned state.
 *
 * @param maxParallelism Maximum parallelism
 * @return The operator with set maximum parallelism
 */
@PublicEvolving
public SingleOutputStreamOperator<T> setMaxParallelism(int maxParallelism) {
  Preconditions.checkArgument(maxParallelism > 0,
      "The maximum parallelism must be greater than 0.");
  Preconditions.checkArgument(canBeParallel() || maxParallelism == 1,
      "The maximum parallelism of non parallel operator must be 1.");
  transformation.setMaxParallelism(maxParallelism);
  return this;
}

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