oracle.ide.config
Class DTCache

java.lang.Object
  oracle.ide.config.DTCache

All Implemented Interfaces:

Copyable

public final class DTCache

extends java.lang.Object

implements Copyable

The DTCache is a persisted cache that can be used to store data that is not user-configurable. For example, this can be used to "remember" pieces of information, such as history information.

Constructor Summary

DTCache()
Construct a new default DTCache instance.

Method Summary

java.lang.Object	copyTo(java.lang.Object target) Copies the internal state of this object to the specified copy.
java.lang.Object	getData(java.lang.String dataKey) Retrieves a previously added cached object from the cache using the specified key for lookup.
boolean	load() Loads the registered data from the XML file.
void	putData(java.lang.String dataKey, Copyable data) Stores an object into the cache using the specified key for lookup.
void	putData(java.lang.String dataKey, java.util.List copyableList) Stores a list into the cache using the specified key for lookup.
boolean	save() Saves the registered data to the XML file.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

DTCache

public DTCache()

Construct a new default DTCache instance.

Method Detail

getData

public java.lang.Object getData(java.lang.String dataKey)

Retrieves a previously added cached object from the cache using the specified key for lookup.

Parameters:

dataKey - the key to use for looking up the object

Returns:

the associated cached object (if any)

putData

public void putData(java.lang.String dataKey,
                    Copyable data)

Stores an object into the cache using the specified key for lookup.

Parameters:

dataKey - the key to use for looking up the object

data - the data to store in the cache

putData

public void putData(java.lang.String dataKey,
                    java.util.List copyableList)

Stores a list into the cache using the specified key for lookup. Although not enforced, the items contained in the list must be basic items that are persistable, or are copyable implementations.

Parameters:

dataKey - the key to use for looking up the object

copyableList - the list to store in the cache

save

public boolean save()

Saves the registered data to the XML file.

load

public boolean load()

Loads the registered data from the XML file.

copyTo

public java.lang.Object copyTo(java.lang.Object target)

Copies the internal state of this object to the specified copy.

Specified by:

copyTo in interface Copyable

Parameters:

target - The target object to which the state of this object should be copied. If target is null, then the copyTo method will return a new instance of this class.

Returns:

The object to which the state of this object was copied. If the target was non-null, then the return value is the same as the target object that was passed in; otherwise, the return value is a new instance of this class.

toString

public java.lang.String toString()

Returns:

the name of the dtcache.xml file