org.iota.jota.store

Class EnvironmentStore

java.lang.Object

org.iota.jota.store.EnvironmentStore

All Implemented Interfaces:

Store

public class EnvironmentStore
extends Object
implements Store

Constructor Summary

Constructors

Constructor and Description
EnvironmentStore()

Method Summary

Modifier and Type	Method and Description
boolean	canWrite() Some stores like environment variables can't write.
String	delete(String key) Delete a field form the store
String	get(String key)
<T extends Serializable> T	get(String key, T def) Gets a value from the store
Map<String,Serializable>	getAll() Returns all the values in this store
void	load() Loads this store into cache
void	save(boolean closeResources) Saves this store onto its storage method.
<T extends Serializable> T	set(String key, T value) Sets a value in the store
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

EnvironmentStore

public EnvironmentStore()

Method Detail

load

public void load()

Description copied from interface: Store

Loads this store into cache

Specified by:

load in interface Store

save

public void save(boolean closeResources)
          throws Exception

Description copied from interface: Store

Saves this store onto its storage method.

Specified by:

save in interface Store

Parameters:

closeResources - if we want to clean up (final safe before exit)

Throws:

Exception

get

public String get(String key)

Specified by:

get in interface Store

Returns:

get

public <T extends Serializable> T get(String key,
                                      T def)

Description copied from interface: Store

Gets a value from the store

Specified by:

get in interface Store

Parameters:

key - The field to look for

def - The object to return when the key doesn't have a field

Returns:

the requested value, or the default when the key didn't exist

set

public <T extends Serializable> T set(String key,
                                      T value)

Description copied from interface: Store

Sets a value in the store

Specified by:

set in interface Store

Parameters:

key - The field to set the value

value - The value to set

Returns:

The old value, or null if there was none

canWrite

public boolean canWrite()

Description copied from interface: Store

Some stores like environment variables can't write. Those stores can't be used in account storage.

Specified by:

canWrite in interface Store

Returns:

toString

public String toString()

Overrides:

toString in class Object

getAll

public Map<String,Serializable> getAll()

Description copied from interface: Store

Returns all the values in this store

Specified by:

getAll in interface Store

Returns:

Map of values

delete

public String delete(String key)

Description copied from interface: Store

Delete a field form the store

Specified by:

delete in interface Store

Parameters:

key - the key we want to delete

Returns:

The deleted value, or null if there was none