storm.trident.state.map
Class CachedMap<T>

java.lang.Object
  storm.trident.state.map.CachedMap<T>

Type Parameters:

T -

All Implemented Interfaces:

IBackingMap<T>

public class CachedMap<T>
extends java.lang.Object
implements IBackingMap<T>

Useful to layer over a map that communicates with a database. you generally layer opaque map over this over your database store

Constructor Summary

CachedMap(IBackingMap<T> delegate, int cacheSize)

Method Summary

java.util.List<T>	multiGet(java.util.List<java.util.List<java.lang.Object>> keys)
void	multiPut(java.util.List<java.util.List<java.lang.Object>> keys, java.util.List<T> values)

Methods inherited from class java.lang.Object

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

Constructor Detail

CachedMap

public CachedMap(IBackingMap<T> delegate,
                 int cacheSize)

Method Detail

multiGet

public java.util.List<T> multiGet(java.util.List<java.util.List<java.lang.Object>> keys)

Specified by:

multiGet in interface IBackingMap<T>

multiPut

public void multiPut(java.util.List<java.util.List<java.lang.Object>> keys,
                     java.util.List<T> values)

Specified by:

multiPut in interface IBackingMap<T>