[Treebase-guts] SF.net SVN: treebase:[482] trunk/treebase-core/src/main/java/org/cipres/ treebase/domain

[<vga...@us...>]

Revision: 482
          http://treebase.svn.sourceforge.net/treebase/?rev=482&view=rev
Author:   vgapeyev
Date:     2010-02-03 14:52:56 +0000 (Wed, 03 Feb 2010)

Log Message:
-----------
Changed to a custom ID generator, which relies on the naming convention to translate a table name XXX to the sequence name XXX_id_sequence. 

Modified Paths:
--------------
    trunk/treebase-core/src/main/java/org/cipres/treebase/domain/AbstractPersistedObject.java

Added Paths:
-----------
    trunk/treebase-core/src/main/java/org/cipres/treebase/domain/TB2SequenceGenerator.java

Modified: trunk/treebase-core/src/main/java/org/cipres/treebase/domain/AbstractPersistedObject.java
===================================================================
--- trunk/treebase-core/src/main/java/org/cipres/treebase/domain/AbstractPersistedObject.java	2010-02-02 20:54:48 UTC (rev 481)
+++ trunk/treebase-core/src/main/java/org/cipres/treebase/domain/AbstractPersistedObject.java	2010-02-03 14:52:56 UTC (rev 482)
@@ -15,6 +15,7 @@
 import org.cipres.treebase.NamespacedGUID;
 import org.cipres.treebase.PhyloWSPath;
 import org.cipres.treebase.TreebaseIDString;
+import org.hibernate.annotations.GenericGenerator;
 
 /**
  * The abstract super class for all persisted domain objects.
@@ -53,8 +54,9 @@
 	 * @see org.cipres.treebase.domain.TBPersistable#getId()
 	 */
 	@Id
-	@GeneratedValue(strategy = GenerationType.SEQUENCE)
-	public Long getId() {
+	@GenericGenerator(name="TB2SEQGEN", strategy = "org.cipres.treebase.domain.TB2SequenceGenerator")	  
+	@GeneratedValue(generator="TB2SEQGEN")
+		public Long getId() {
 		return mId;
 	}
 

Added: trunk/treebase-core/src/main/java/org/cipres/treebase/domain/TB2SequenceGenerator.java
===================================================================
--- trunk/treebase-core/src/main/java/org/cipres/treebase/domain/TB2SequenceGenerator.java	                        (rev 0)
+++ trunk/treebase-core/src/main/java/org/cipres/treebase/domain/TB2SequenceGenerator.java	2010-02-03 14:52:56 UTC (rev 482)
@@ -0,0 +1,34 @@
+package org.cipres.treebase.domain;
+
+import java.util.Properties;
+
+import org.hibernate.MappingException;
+import org.hibernate.type.Type;
+import org.hibernate.dialect.Dialect;
+import org.hibernate.id.PersistentIdentifierGenerator;
+import org.hibernate.id.SequenceGenerator;
+
+
+
+/**  Custom id generator that translates table name to the name of an appropriate sequence.
+ *   Code taken from https://www.hibernate.org/296.html 2010-02-01, where it was attributed to  Mr. Rob Hasselbaum. 
+ *   Usage is in AbstractPersistedObject.java.
+ *   --VG
+ * */ 
+public class TB2SequenceGenerator extends SequenceGenerator {
+
+    /**
+     * If the parameters do not contain a {@link SequenceGenerator#SEQUENCE} name, we
+     * assign one based on the table name.
+     */
+    public void configure(Type type, Properties params, Dialect dialect) throws MappingException {
+        if(params.getProperty(SEQUENCE) == null || params.getProperty(SEQUENCE).length() == 0) {
+            String tableName = params.getProperty(PersistentIdentifierGenerator.TABLE);
+            if(tableName != null) {
+                String seqName = tableName + "_id_sequence";
+                params.setProperty(SEQUENCE, seqName);               
+            }
+        }
+        super.configure(type, params, dialect);
+    }
+}


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