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------------------------------------------------------------
revno: 5243
committer: Tran Chau <tran.hispvietnam@xxxxxxxxx>
branch nick: dhis2
timestamp: Wed 2011-11-30 15:34:01 +0700
message:
  Add missing file.
added:
  dhis-2/dhis-services/dhis-service-patient/src/main/java/org/hisp/dhis/program/ProgramStageInstanceDeletionHandler.java


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=== added file 'dhis-2/dhis-services/dhis-service-patient/src/main/java/org/hisp/dhis/program/ProgramStageInstanceDeletionHandler.java'
--- dhis-2/dhis-services/dhis-service-patient/src/main/java/org/hisp/dhis/program/ProgramStageInstanceDeletionHandler.java	1970-01-01 00:00:00 +0000
+++ dhis-2/dhis-services/dhis-service-patient/src/main/java/org/hisp/dhis/program/ProgramStageInstanceDeletionHandler.java	2011-11-30 08:34:01 +0000
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2004-2010, University of Oslo
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ * * Neither the name of the HISP project nor the names of its contributors may
+ *   be used to endorse or promote products derived from this software without
+ *   specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.hisp.dhis.program;
+
+import org.hisp.dhis.system.deletion.DeletionHandler;
+import org.springframework.jdbc.core.JdbcTemplate;
+
+/**
+ * @author Chau Thu Tran
+ * 
+ * @version $Id: ProgramStageInstanceDeletionHandler.java Nov 30, 2011 10:20:41
+ *          AM $
+ */
+public class ProgramStageInstanceDeletionHandler
+    extends DeletionHandler
+{
+    // -------------------------------------------------------------------------
+    // Dependencies
+    // -------------------------------------------------------------------------
+
+    private JdbcTemplate jdbcTemplate;
+
+    public void setJdbcTemplate( JdbcTemplate jdbcTemplate )
+    {
+        this.jdbcTemplate = jdbcTemplate;
+    }
+
+    // -------------------------------------------------------------------------
+    // Implementation methods
+    // -------------------------------------------------------------------------
+
+    @Override
+    public String getClassName()
+    {
+        return ProgramStageDataElement.class.getSimpleName();
+    }
+
+    @Override
+    public String allowDeleteProgramStage( ProgramStage programStage )
+    {
+        String sql = "SELECT COUNT(*) " + "FROM programstageinstance " + "WHERE programstageid=" + programStage.getId();
+
+        return jdbcTemplate.queryForInt( sql ) == 0 ? null : ERROR;
+
+    }
+}