change: rename databases from lims_* to openbis_*

SVN: 11096

openbis/source/java/ch/systemsx/cisd/openbis/generic/server/dataaccess/migration/MigrationStepFrom033To034.java

+/*
+ * Copyright 2009 ETH Zuerich, CISD
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package ch.systemsx.cisd.openbis.generic.server.dataaccess.migration;
+
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.List;
+
+import org.springframework.dao.DataAccessException;
+import org.springframework.jdbc.core.simple.ParameterizedRowMapper;
+import org.springframework.jdbc.core.simple.SimpleJdbcTemplate;
+
+import ch.systemsx.cisd.dbmigration.DatabaseConfigurationContext;
+import ch.systemsx.cisd.dbmigration.java.IMigrationStep;
+
+/**
+ * @author Bernd Rinn
+ */
+public class MigrationStepFrom033To034 implements IMigrationStep
+{
+
+    private final DatabaseConfigurationContext dbConfigurationContext;
+
+    public MigrationStepFrom033To034(DatabaseConfigurationContext dbConfigurationContext)
+    {
+        assert dbConfigurationContext != null;
+
+        this.dbConfigurationContext = dbConfigurationContext;
+    }
+
+    public void performPostMigration(SimpleJdbcTemplate simpleJdbcTemplate)
+            throws DataAccessException
+    {
+    }
+
+    public void performPreMigration(SimpleJdbcTemplate simpleJdbcTemplate)
+            throws DataAccessException
+    {
+        final String newDatabaseName = dbConfigurationContext.getDatabaseName();
+        final String oldDatabaseName = "lims_" + newDatabaseName.substring("openbis_".length());
+        if (databaseExists(simpleJdbcTemplate, oldDatabaseName) == false)
+        {
+            return;
+        }
+        simpleJdbcTemplate.getJdbcOperations().execute(
+                "alter database " + oldDatabaseName + " rename to " + newDatabaseName);
+    }
+
+    private boolean databaseExists(SimpleJdbcTemplate simpleJdbcTemplate, String dbName)
+    {
+        final List<String> databases =
+            simpleJdbcTemplate.query("select datname from pg_database",
+                    new ParameterizedRowMapper<String>()
+                        {
+                            public String mapRow(ResultSet rs, int rowNum) throws SQLException
+                            {
+                                return rs.getString("datname");
+                            }
+                        });
+    for (String database : databases)
+    {
+        if (dbName.equalsIgnoreCase(database))
+        {
+            return true;
+        }
+    }
+    return false;
+        
+    }
+}

openbis/source/java/dbConfigurationContext.xml

@@ -20,7 +20,7 @@
 
     <bean id="db-configuration-context"
         class="ch.systemsx.cisd.dbmigration.DatabaseConfigurationContext">
-        <property name="basicDatabaseName" value="lims" />
+        <property name="basicDatabaseName" value="openbis" />
         <property name="createFromScratch" value="${database.create-from-scratch}" />
         <property name="scriptSingleStepMode" value="${database.script-single-step-mode}" />
         <property name="sequenceNameMapper">