siuying.gm.app.gmailer4j
Interface GMStorage

All Known Implementing Classes:

XMLStorage

public interface GMStorage

GMStorage Interface that defines method to store data object different method of storage can be implemented

Method Summary

void	close() close a storage
boolean	containsId(java.lang.String id) if an item is in storage
void	flush() flush the storage, force save the change permanently
java.lang.Object	get(java.lang.String id) get an Object from storage
java.util.Iterator	iterator() iterate through the threads in storage
void	open() open a storage
void	put(java.lang.String id, java.lang.Object item) store an Object to storage
void	remove(java.lang.String id) remove a thread from storage
void	setUrl(java.lang.String url) set the url/identifer of the storage depends on implementation

Method Detail

setUrl

void setUrl(java.lang.String url)
            throws java.lang.NullPointerException

set the url/identifer of the storage depends on implementation

Throws:

java.lang.NullPointerException

open

void open()
          throws java.io.IOException

open a storage

Throws:

java.io.IOException

close

void close()

close a storage

containsId

boolean containsId(java.lang.String id)
                   throws java.lang.NullPointerException

if an item is in storage

Throws:

java.lang.NullPointerException

get

java.lang.Object get(java.lang.String id)
                     throws java.io.IOException,
                            java.lang.NullPointerException

get an Object from storage

Throws:

java.io.IOException

java.lang.NullPointerException

put

void put(java.lang.String id,
         java.lang.Object item)
         throws java.io.IOException,
                java.lang.NullPointerException

store an Object to storage

Throws:

java.io.IOException

java.lang.NullPointerException

remove

void remove(java.lang.String id)
            throws java.io.IOException,
                   java.lang.NullPointerException

remove a thread from storage

Throws:

java.io.IOException

java.lang.NullPointerException

flush

void flush()
           throws java.io.IOException

flush the storage, force save the change permanently

Throws:

java.io.IOException

iterator

java.util.Iterator iterator()

iterate through the threads in storage