Package org.apache.flink.runtime.executiongraph

Class IndexRangeUtil

java.lang.Object

org.apache.flink.runtime.executiongraph.IndexRangeUtil

public class IndexRangeUtil
extends Object

Utils for IndexRange.

Constructor Summary

Constructors

Constructor	Description
IndexRangeUtil()

Method Summary

Modifier and Type	Method	Description
static List<IndexRange>	mergeIndexRanges(Collection<IndexRange> ranges)	Merges overlapping or consecutive IndexRange instances from the given collection.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

IndexRangeUtil

public IndexRangeUtil()

Method Details

mergeIndexRanges

public static List<IndexRange> mergeIndexRanges(Collection<IndexRange> ranges)

Merges overlapping or consecutive IndexRange instances from the given collection.

The method sorts the provided ranges by their start index, then iteratively merges ranges that either overlap or are directly adjacent. The result is a list of non-overlapping and consolidated IndexRange instances.

Parameters:

ranges - the collection of IndexRange instances to merge.

Returns:

a list of merged IndexRange instances. If the input is null or empty, an empty list is returned.