org.apache.geode.experimental.driver

Class ProtobufRegion<K,V>

java.lang.Object

org.apache.geode.experimental.driver.ProtobufRegion<K,V>

Type Parameters:

K - Type of region keys.

V - Type of region values.

All Implemented Interfaces:

Region<K,V>

@Experimental
public class ProtobufRegion<K,V>
extends java.lang.Object
implements Region<K,V>

Implements the behaviors of a GemFire region. Send and receives Protobuf messages on the provided socket to communicate with a GemFire server that has Protobuf enabled. This code is an experimental prototype and is presented "as is" with no warranty, suitability, or fitness of purpose implied.

Method Summary

Modifier and Type	Method and Description
void	clear() Removes all keys and values associated from this region.
V	get(K key) Gets the value, if any, contained in this region for the key.
java.util.Map<K,V>	getAll(java.util.Collection<K> keys) Gets the values, if any, contained in this region for the collection of keys.
java.util.Set<K>	keySet() Gets all the keys for which this region has entries
void	put(K key, V value) Puts the value into this region for the key.
void	putAll(java.util.Map<K,V> values) Puts the map from keys to values into this region.
V	putIfAbsent(K key, V value) Puts the value into this region for the key if key does not already have a value associated with it.
void	remove(K key) Removes any value associated with the key from this region.
int	size() Gets the number of entries in this region.

Methods inherited from class java.lang.Object

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

Method Detail

size

public int size()
         throws java.io.IOException

Description copied from interface: Region

Gets the number of entries in this region.

Specified by:

size in interface Region<K,V>

Returns:

Non-negative integer count.

Throws:

java.io.IOException

get

public V get(K key)
      throws java.io.IOException

Description copied from interface: Region

Gets the value, if any, contained in this region for the key.

Specified by:

get in interface Region<K,V>

Parameters:

key - Unique key associated with a value.

Returns:

Value, if any, associated with key.

Throws:

java.io.IOException

getAll

public java.util.Map<K,V> getAll(java.util.Collection<K> keys)
                          throws java.io.IOException

Description copied from interface: Region

Gets the values, if any, contained in this region for the collection of keys.

Specified by:

getAll in interface Region<K,V>

Parameters:

keys - Collection of unique keys associated with values.

Returns:

Map from keys to their associated values.

Throws:

java.io.IOException

put

public void put(K key,
                V value)
         throws java.io.IOException

Description copied from interface: Region

Puts the value into this region for the key.

Specified by:

put in interface Region<K,V>

Parameters:

key - Unique key to associate with the value.

value - Value to associate with the key.

Throws:

java.io.IOException

putAll

public void putAll(java.util.Map<K,V> values)
            throws java.io.IOException

Description copied from interface: Region

Puts the map from keys to values into this region. If any one key/value pair can not be inserted, the remaining pair insertions will be attempted.

Specified by:

putAll in interface Region<K,V>

Parameters:

values - Map from keys to their associated values.

Throws:

java.io.IOException

clear

public void clear()
           throws java.io.IOException

Description copied from interface: Region

Removes all keys and values associated from this region.

Specified by:

clear in interface Region<K,V>

Throws:

java.io.IOException

putIfAbsent

public V putIfAbsent(K key,
                     V value)
              throws java.io.IOException

Description copied from interface: Region

Puts the value into this region for the key if key does not already have a value associated with it.

Specified by:

putIfAbsent in interface Region<K,V>

Returns:

null if the value was set; the current value otherwise. NOTE that if the value in the region was set to null, this method will return null without setting a new value.

Throws:

java.io.IOException

remove

public void remove(K key)
            throws java.io.IOException

Description copied from interface: Region

Removes any value associated with the key from this region.

Specified by:

remove in interface Region<K,V>

Parameters:

key - Unique key associated with a value.

Throws:

java.io.IOException

keySet

public java.util.Set<K> keySet()
                        throws java.io.IOException

Description copied from interface: Region

Gets all the keys for which this region has entries

Specified by:

keySet in interface Region<K,V>

Returns:

Set of keys in this region

Throws:

java.io.IOException