org.apache.storm.windowing.persistence

Interface WindowPartitionCache.Builder<K,V>

Type Parameters:

K - the key type

V - the value type

All Known Implementing Classes:

SimpleWindowPartitionCache.SimpleWindowPartitionCacheBuilder

Enclosing interface:

WindowPartitionCache<K,V>

public static interface WindowPartitionCache.Builder<K,V>

Builder interface for WindowPartitionCache.

Method Summary

Modifier and Type	Method and Description
WindowPartitionCache<K,V>	build(WindowPartitionCache.CacheLoader<K,V> loader) Build the cache.
WindowPartitionCache.Builder<K,V>	maximumSize(long size) The maximum cache size.
WindowPartitionCache.Builder<K,V>	removalListener(WindowPartitionCache.RemovalListener<K,V> listener) The WindowPartitionCache.RemovalListener to be invoked when entries are evicted.

Method Detail

maximumSize

WindowPartitionCache.Builder<K,V> maximumSize(long size)

The maximum cache size. After this limit, entries are evicted from the cache.

Parameters:

size - the size

Returns:

the Builder

removalListener

WindowPartitionCache.Builder<K,V> removalListener(WindowPartitionCache.RemovalListener<K,V> listener)

The WindowPartitionCache.RemovalListener to be invoked when entries are evicted.

Parameters:

listener - the listener

Returns:

the builder

build

WindowPartitionCache<K,V> build(WindowPartitionCache.CacheLoader<K,V> loader)

Build the cache.

Parameters:

loader - the WindowPartitionCache.CacheLoader

Returns:

the WindowPartitionCache