Package org.apache.flink.table.runtime.util

Interface Summary

Interface	Description
KeyValueIterator<K,V>	An internal iterator interface which presents a more restrictive API than Iterator.
LRUMap.RemovalListener<K,V>	An object that can receive a notification when an entry is removed from a LRUMap.
MemorySegmentPool	MemorySegment pool to hold pages in memory.
ResettableRowBuffer	Resettable buffer that add RowData and return BinaryRowData iterator.
ResettableRowBuffer.ResettableIterator	Row iterator that can be reset.
RowIterator<T extends RowData>	An internal iterator interface which presents a more restrictive API than Iterator.

Class Summary

Class	Description
BinPacking	A bin packing implementation.
FileChannelUtil	File channel util for runtime.
JsonUtils	Json scalar function util.
JsonUtils.HashCache<K,V>	An LRU cache using a linked hash map.
JsonUtils.ThreadLocalHashCache<K,V>	An ThreadLocal cache using a linked hash map.
LazyMemorySegmentPool	MemorySegmentPool that lazy allocate memory pages from MemoryManager.
LRUMap<K,V>	An LRU cache, based on LinkedHashMap.
MurmurHashUtil	Murmur hasher.
ResettableExternalBuffer	A resettable external buffer for binary row.
SegmentsUtil	Util for data format segments calc.
StateConfigUtil	Utility to create a StateTtlConfig object.
StreamRecordCollector<T>	Wrapper around an Output for wrap T to StreamRecord.
StringUtf8Utils	String utf-8 utils.
TimeWindowUtil	Time util to deals window start and end in different timezone.
WindowKey	The WindowKey structure represents a combination of key and window.