[P2play-commit] SF.net SVN: p2play: [31] trunk/P2Play/src/org/p2play

[<ti...@us...>]

Revision: 31
          http://p2play.svn.sourceforge.net/p2play/?rev=31&view=rev
Author:   tisoft
Date:     2007-01-22 06:15:09 -0800 (Mon, 22 Jan 2007)

Log Message:
-----------
Initial import.
Interfaces for persistent data

Added Paths:
-----------
    trunk/P2Play/src/org/p2play/data/
    trunk/P2Play/src/org/p2play/data/Data.java
    trunk/P2Play/src/org/p2play/data/DataContainer.java
    trunk/P2Play/src/org/p2play/data/DataListener.java
    trunk/P2Play/src/org/p2play/data/DataManager.java

Added: trunk/P2Play/src/org/p2play/data/Data.java
===================================================================
--- trunk/P2Play/src/org/p2play/data/Data.java	                        (rev 0)
+++ trunk/P2Play/src/org/p2play/data/Data.java	2007-01-22 14:15:09 UTC (rev 31)
@@ -0,0 +1,22 @@
+package org.p2play.data;
+
+import java.io.Serializable;
+
+import de.upb.mmog.net.security.Signable;
+
+/**
+ * All Objects stored in the DataManager have to be subclasses of Data
+ */
+public interface Data extends Serializable, Signable{
+	/**
+	 * Returns the unique identifier for this Data
+	 * @return the unique identifier
+	 */
+	public String getIdentifier();
+	/**
+	 * Returns the version of this Data
+	 * @return the version
+	 */
+	public int getVersion();
+	
+}

Added: trunk/P2Play/src/org/p2play/data/DataContainer.java
===================================================================
--- trunk/P2Play/src/org/p2play/data/DataContainer.java	                        (rev 0)
+++ trunk/P2Play/src/org/p2play/data/DataContainer.java	2007-01-22 14:15:09 UTC (rev 31)
@@ -0,0 +1,18 @@
+package org.p2play.data;
+
+
+public interface DataContainer {
+
+	public abstract Data getData();
+
+	public abstract String getName();
+
+	public abstract Exception getException();
+
+	public abstract boolean isReady();
+
+	public abstract void removeDataListener(DataListener listener);
+
+	public abstract void addDataListener(DataListener listener);
+
+}
\ No newline at end of file

Added: trunk/P2Play/src/org/p2play/data/DataListener.java
===================================================================
--- trunk/P2Play/src/org/p2play/data/DataListener.java	                        (rev 0)
+++ trunk/P2Play/src/org/p2play/data/DataListener.java	2007-01-22 14:15:09 UTC (rev 31)
@@ -0,0 +1,10 @@
+package org.p2play.data;
+
+
+public interface DataListener {
+
+	void dataException(DataContainer container);
+
+	void dataUpdated(DataContainer container);
+
+}

Added: trunk/P2Play/src/org/p2play/data/DataManager.java
===================================================================
--- trunk/P2Play/src/org/p2play/data/DataManager.java	                        (rev 0)
+++ trunk/P2Play/src/org/p2play/data/DataManager.java	2007-01-22 14:15:09 UTC (rev 31)
@@ -0,0 +1,28 @@
+package org.p2play.data;
+
+
+
+/**
+ * Applications can use a DataManager to load and store Data
+ */
+public interface DataManager {
+	/**
+	 * loads the Data with the given Identifier.
+	 * @param identifier the Identifier of the Data to load
+	 * @return Data the loaded Data
+	 */
+	public DataContainer loadData(String identifier);
+
+	/**
+	 * loads the Data with the given Identifier. This method notifies the listener when the data becomes available.
+	 * @param identifier the Identifier of the Data to load
+	 * @return Data the loaded Data
+	 */
+	public DataContainer loadData(String identifier, DataListener listener);
+	
+	/**
+	 * Stores Data
+	 * @param data the data to be stored
+	 */
+	public void storeData(Data data);
+}


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