本文整理匯總了Java中org.apache.flink.api.common.operators.base.DeltaIterationBase.getSolutionSetKeyFields方法的典型用法代碼示例。如果您正苦於以下問題：Java DeltaIterationBase.getSolutionSetKeyFields方法的具體用法？Java DeltaIterationBase.getSolutionSetKeyFields怎麽用？Java DeltaIterationBase.getSolutionSetKeyFields使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.apache.flink.api.common.operators.base.DeltaIterationBase的用法示例。
在下文中一共展示了DeltaIterationBase.getSolutionSetKeyFields方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: WorksetIterationNode
import org.apache.flink.api.common.operators.base.DeltaIterationBase; //導入方法依賴的package包/類
/**
* Creates a new node with a single input for the optimizer plan.
*
* @param iteration The iteration operator that the node represents.
*/
public WorksetIterationNode(DeltaIterationBase<?, ?> iteration) {
super(iteration);
final int[] ssKeys = iteration.getSolutionSetKeyFields();
if (ssKeys == null || ssKeys.length == 0) {
throw new CompilerException("Invalid WorksetIteration: No key fields defined for the solution set.");
}
this.solutionSetKeyFields = new FieldList(ssKeys);
this.partitionedProperties = new GlobalProperties();
this.partitionedProperties.setHashPartitioned(this.solutionSetKeyFields);
int weight = iteration.getMaximumNumberOfIterations() > 0 ?
iteration.getMaximumNumberOfIterations() : DEFAULT_COST_WEIGHT;
if (weight > OptimizerNode.MAX_DYNAMIC_PATH_COST_WEIGHT) {
weight = OptimizerNode.MAX_DYNAMIC_PATH_COST_WEIGHT;
}
this.costWeight = weight;
this.dataProperties = Collections.<OperatorDescriptorDual>singletonList(new WorksetOpDescriptor(this.solutionSetKeyFields));
}