Package org.springframework.integration.hazelcast.metadata

Class HazelcastMetadataStore

java.lang.Object

org.springframework.integration.hazelcast.metadata.HazelcastMetadataStore

All Implemented Interfaces:

InitializingBean, ConcurrentMetadataStore, ListenableMetadataStore, MetadataStore

public class HazelcastMetadataStore
extends Object
implements ListenableMetadataStore, InitializingBean

The Hazelcast IMap-based ListenableMetadataStore implementation.

Author:

Vinicius Carvalho, Artem Bilan

Constructor Summary

Constructors

Constructor	Description
HazelcastMetadataStore(com.hazelcast.core.HazelcastInstance hazelcastInstance)
HazelcastMetadataStore(com.hazelcast.map.IMap<String,String> map)

Method Summary

Modifier and Type	Method	Description
void	addListener(MetadataStoreListener callback)	Register a listener with the metadata store.
void	afterPropertiesSet()
String	get(String key)	Reads a value for the given key from this MetadataStore.
void	put(String key, String value)	Writes a key value pair to this MetadataStore.
String	putIfAbsent(String key, String value)	Atomically insert the key into the store.
String	remove(String key)	Remove a value for the given key from this MetadataStore.
void	removeListener(MetadataStoreListener callback)	Unregister a listener.
boolean	replace(String key, String oldValue, String newValue)	Atomically replace the value for the key in the store if the old value matches the oldValue argument.

Methods inherited from class java.lang.Object

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

Constructor Details

HazelcastMetadataStore

public HazelcastMetadataStore(com.hazelcast.core.HazelcastInstance hazelcastInstance)

HazelcastMetadataStore

public HazelcastMetadataStore(com.hazelcast.map.IMap<String,String> map)

Method Details

putIfAbsent

public String putIfAbsent(String key,
 String value)

Description copied from interface: ConcurrentMetadataStore

Atomically insert the key into the store.

Specified by:

putIfAbsent in interface ConcurrentMetadataStore

Parameters:

key - The key.

value - The value.

Returns:

null if successful, the old value otherwise.

replace

public boolean replace(String key,
 String oldValue,
 String newValue)

Description copied from interface: ConcurrentMetadataStore

Atomically replace the value for the key in the store if the old value matches the oldValue argument.

Specified by:

replace in interface ConcurrentMetadataStore

Parameters:

key - The key.

oldValue - The old value.

newValue - The new value.

Returns:

true if successful.

put

public void put(String key,
 String value)

Description copied from interface: MetadataStore

Writes a key value pair to this MetadataStore.

Specified by:

put in interface MetadataStore

Parameters:

key - The key.

value - The value.

get

public String get(String key)

Description copied from interface: MetadataStore

Reads a value for the given key from this MetadataStore.

Specified by:

get in interface MetadataStore

Parameters:

key - The key.

Returns:

The value.

remove

public String remove(String key)

Description copied from interface: MetadataStore

Remove a value for the given key from this MetadataStore.

Specified by:

remove in interface MetadataStore

Parameters:

key - The key.

Returns:

The previous value associated with key, or null if there was no mapping for key.

addListener

public void addListener(MetadataStoreListener callback)

Description copied from interface: ListenableMetadataStore

Register a listener with the metadata store.

Specified by:

addListener in interface ListenableMetadataStore

Parameters:

callback - the callback to be registered

removeListener

public void removeListener(MetadataStoreListener callback)

Description copied from interface: ListenableMetadataStore

Unregister a listener.

Specified by:

removeListener in interface ListenableMetadataStore

Parameters:

callback - the callback to be unregistered

afterPropertiesSet

public void afterPropertiesSet()

Specified by:

afterPropertiesSet in interface InitializingBean