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Diffstat (limited to 'plugins/org.eclipse.emf.cdo.server.hibernate/src/org/eclipse/emf/cdo/server/internal/hibernate/tuplizer/CDOIDUserType.java')
-rw-r--r--plugins/org.eclipse.emf.cdo.server.hibernate/src/org/eclipse/emf/cdo/server/internal/hibernate/tuplizer/CDOIDUserType.java136
1 files changed, 136 insertions, 0 deletions
diff --git a/plugins/org.eclipse.emf.cdo.server.hibernate/src/org/eclipse/emf/cdo/server/internal/hibernate/tuplizer/CDOIDUserType.java b/plugins/org.eclipse.emf.cdo.server.hibernate/src/org/eclipse/emf/cdo/server/internal/hibernate/tuplizer/CDOIDUserType.java
new file mode 100644
index 0000000000..c59903b5a1
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.server.hibernate/src/org/eclipse/emf/cdo/server/internal/hibernate/tuplizer/CDOIDUserType.java
@@ -0,0 +1,136 @@
+/***************************************************************************
+ * Copyright (c) 2008 - 2008 Martin Taal and others
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * Martin Taal - initial api
+ **************************************************************************/
+package org.eclipse.emf.cdo.server.internal.hibernate.tuplizer;
+
+import org.eclipse.emf.cdo.protocol.id.CDOID;
+import org.eclipse.emf.cdo.protocol.id.CDOIDTemp;
+import org.eclipse.emf.cdo.protocol.revision.CDORevision;
+import org.eclipse.emf.cdo.server.hibernate.CDOIDHibernate;
+import org.eclipse.emf.cdo.server.internal.hibernate.CDOHibernateUtil;
+import org.eclipse.emf.cdo.server.internal.hibernate.CDOIDHibernateImpl;
+
+import org.hibernate.Hibernate;
+import org.hibernate.usertype.UserType;
+
+import java.io.Serializable;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Types;
+
+/**
+ * Persists a cdoid in the db.
+ */
+public class CDOIDUserType implements UserType
+{
+
+ // second varchar is just for informational purposes
+ private static final int[] SQL_TYPES = { Types.VARCHAR, Types.VARCHAR, Types.VARBINARY };
+
+ public int[] sqlTypes()
+ {
+ return SQL_TYPES;
+ }
+
+ public Class<?> returnedClass()
+ {
+ return CDOID.class;
+ }
+
+ public boolean isMutable()
+ {
+ return false;
+ }
+
+ public CDOIDUserType()
+ {
+ }
+
+ public Object deepCopy(Object value)
+ {
+ return value;
+ }
+
+ public boolean equals(Object x, Object y)
+ {
+ if (x == y)
+ {
+ return true;
+ }
+ if (x == null || y == null)
+ {
+ return false;
+ }
+ return x.equals(y);
+ }
+
+ public Object nullSafeGet(ResultSet rs, String[] names, Object owner) throws SQLException
+ {
+ final String entityName = (String)Hibernate.STRING.nullSafeGet(rs, names[0]);
+ if (rs.wasNull() || entityName == null)
+ {
+ return null;
+ }
+ final byte[] content = (byte[])Hibernate.BINARY.nullSafeGet(rs, names[2]);
+ final CDOIDHibernate cdoID = new CDOIDHibernateImpl();
+ cdoID.setContent(content);
+ return cdoID;
+ }
+
+ public void nullSafeSet(PreparedStatement statement, Object value, int index) throws SQLException
+ {
+ if (value == null)
+ {
+ statement.setNull(index, Types.VARCHAR);
+ statement.setNull(index, Types.VARCHAR);
+ statement.setNull(index, Types.VARBINARY);
+ }
+ if (value != null)
+ {
+ final CDOIDHibernate cdoID;
+ if (value instanceof CDOIDTemp)
+ {
+ cdoID = CDOHibernateUtil.getInstance().getCDOIDHibernate((CDOID)value);
+ }
+ else if (value instanceof CDORevision)
+ {
+ cdoID = (CDOIDHibernate)((CDORevision)value).getID();
+ }
+ else
+ {
+ cdoID = (CDOIDHibernate)value;
+ }
+ statement.setString(index, cdoID.getEntityName());
+ statement.setString(index + 1, cdoID.getId().toString());
+ statement.setBytes(index + 2, cdoID.getContent());
+ }
+ }
+
+ public Serializable disassemble(Object value)
+ {
+ return (Serializable)value;
+ }
+
+ public Object assemble(Serializable cachedValue, Object owner)
+ {
+ return cachedValue;
+ }
+
+ public Object replace(Object original, Object target, Object owner)
+ {
+ return original;
+ }
+
+ public int hashCode(Object x)
+ {
+ return x.hashCode();
+ }
+}

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