1 files changed, 114 insertions, 0 deletions
diff --git a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/api/storage/ITransactionStorage.java b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/api/storage/ITransactionStorage.java
new file mode 100644
index 00000000..41c55148
--- /dev/null
+++ b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/api/storage/ITransactionStorage.java
@@ -0,0 +1,114 @@
+/*******************************************************************************
+ *******************************************************************************/
+package at.gv.egiz.eaaf.core.api.storage;
+
+import java.util.Date;
+import java.util.List;
+
+import at.gv.egiz.eaaf.core.exceptions.EAAFException;
+import at.gv.egiz.eaaf.core.exceptions.EAAFStorageException;
+
+/**
+ * @author tlenz
+ *
+ */
+public interface ITransactionStorage {
+
+	/**
+	 * Check if transaction storage contains a data object with a specific key
+	 * 
+	 * @param key Key, which identifies a data object
+	 * @return true if key is found, otherwise false
+	 */
+	public boolean containsKey(String key);
+	
+	/**
+	 * Store a data object with a key to transaction storage
+	 * 
+	 * @param key Id which identifiers the data object
+	 * @param value Data object which should be stored. 
+	 *              This data must implement the <code>java.io.Serializable</code> interface
+	 * @param timeout_ms Defines the period of time a data object is kept within the storage
+	 * @throws EAAFStorageException In case of store operation failed
+	 */
+	public void put(String key, Object value, int timeout_ms) throws EAAFException;
+	
+	/**
+	 * Get a data object from transaction storage
+	 * 
+	 * @param key key Id which identifiers the data object
+	 * @return The transaction-data object, or null
+	 * @throws EAAFStorageException In case of load operation failed
+	 */
+	public Object get(String key) throws EAAFException;
+	
+	/**
+	 * Get a data object from transaction storage
+	 * 
+	 * @param key Id which identifiers the data object
+	 * @param clazz The class type which is stored with this key
+	 * @return The transaction-data object from type class, or null
+	 * @throws EAAFStorageException In case of load operation failed
+	 */
+	public <T> T get(String key, final Class<T> clazz) throws EAAFException;
+	
+	/**
+	 * Get a data object from transaction storage
+	 * 
+	 * @param key Id which identifiers the data object
+	 * @param clazz The class type which is stored with this key
+	 * @param Data-object timeout in [ms]
+	 * @return The transaction-data object from type class, or null
+	 * @throws EAAFStorageException In case of load operation failed
+	 */
+	public <T> T get(String key, final Class<T> clazz, long dataTimeOut) throws EAAFException;
+	
+	
+	/**
+	 * Change the key of a data object and store it under the new key
+	 * 
+	 * @param oldKey Old key of the data object
+	 * @param newKey New key, which should be used to store the data object
+	 * @param value Data object which should be stored
+	 * @throws EAAFStorageException In case of store operation failed
+	 */
+	public void changeKey(String oldKey, String newKey, Object value) throws EAAFException; 
+	
+	/**
+	 * Remove a data object from transaction storage
+	 * 
+	 * @param key Id which identifiers the data object
+	 */
+	public void remove(String key);
+	
+	/**
+	 * Get all entries for Clean-up the transaction storage
+	 * 
+	 * @param now Current time
+	 * @param dataTimeOut Data-object timeout in [ms]
+	 * @return List of entry-keys which as a timeout
+	 */
+	public List<String> clean(Date now, long dataTimeOut);
+	
+	
+	/**
+	 * Get a raw object from storage by using this key
+	 * 
+	 * @param key
+	 * @return
+	 * @throws EAAFException
+	 */
+	public Object getRaw(String key) throws EAAFException;
+	
+	
+	/**
+	 * Set a raw object to storage 
+	 * 
+	 * @param key
+	 * @param element
+	 * @throws EAAFException
+	 */
+	public void putRaw(String key, Object element) throws EAAFException;
+	
+	
+}