Package org.apache.storm.trident.windowing

Class InMemoryWindowsStore

java.lang.Object

org.apache.storm.trident.windowing.InMemoryWindowsStore

All Implemented Interfaces:

Serializable, WindowsStore

public class InMemoryWindowsStore
extends Object
implements WindowsStore, Serializable

Inmemory store implementation of WindowsStore which can be backed by persistent store.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.storm.trident.windowing.WindowsStore

WindowsStore.Entry

Field Summary

Fields inherited from interface org.apache.storm.trident.windowing.WindowsStore

KEY_SEPARATOR

Constructor Summary

Constructors

Constructor	Description
InMemoryWindowsStore()
InMemoryWindowsStore(int maxSize, WindowsStore backingStore)	Creates a new in-memory window store.

Method Summary

Modifier and Type	Method	Description
Object	get(String key)
Iterable<Object>	get(List<String> keys)
Iterable<String>	getAllKeys()
void	put(String key, Object value)
void	putAll(Collection<WindowsStore.Entry> entries)
void	remove(String key)
void	removeAll(Collection<String> keys)
void	shutdown()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

InMemoryWindowsStore

public InMemoryWindowsStore()

InMemoryWindowsStore

public InMemoryWindowsStore(int maxSize,
 WindowsStore backingStore)

Creates a new in-memory window store.

Parameters:

maxSize - maximum size of inmemory store

backingStore - backing store containing the entries

Method Details

get

public Object get(String key)

Specified by:

get in interface WindowsStore

get

public Iterable<Object> get(List<String> keys)

Specified by:

get in interface WindowsStore

getAllKeys

public Iterable<String> getAllKeys()

Specified by:

getAllKeys in interface WindowsStore

put

public void put(String key,
 Object value)

Specified by:

put in interface WindowsStore

putAll

public void putAll(Collection<WindowsStore.Entry> entries)

Specified by:

putAll in interface WindowsStore

remove

public void remove(String key)

Specified by:

remove in interface WindowsStore

removeAll

public void removeAll(Collection<String> keys)

Specified by:

removeAll in interface WindowsStore

shutdown

public void shutdown()

Specified by:

shutdown in interface WindowsStore

toString

public String toString()

Overrides:

toString in class Object