/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.isis.runtimes.dflt.objectstores.sql;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.adapter.oid.Oid;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;
import org.apache.isis.runtimes.dflt.objectstores.sql.SqlOid.State;
import org.apache.isis.runtimes.dflt.objectstores.sql.jdbc.JdbcConnector;
import org.apache.isis.runtimes.dflt.runtime.persistence.oidgenerator.simple.SerialOid;
import org.apache.isis.runtimes.dflt.runtime.system.context.IsisContext;
import org.apache.isis.runtimes.dflt.runtime.system.persistence.AdapterManager;
public class IdMappingAbstract {
private String column;
protected void setColumn(final String column) {
this.column = Sql.identifier(column);
}
protected String getColumn() {
return column;
}
public void appendWhereClause(final DatabaseConnector connector, final StringBuffer sql, final Oid oid) {
sql.append(column);
connector.addToQueryValues(primaryKeyAsObject(oid));
sql.append(" = ?");
}
public void appendCreateColumnDefinitions(final StringBuffer sql) {
sql.append(column);
sql.append(" ");
sql.append(JdbcConnector.TYPE_PK() + " NOT NULL PRIMARY KEY");
}
public void appendColumnDefinitions(final StringBuffer sql) {
sql.append(column);
sql.append(" ");
sql.append(JdbcConnector.TYPE_PK());
}
public void appendColumnNames(final StringBuffer sql) {
sql.append(column);
}
public void appendInsertValues(final DatabaseConnector connector, final StringBuffer sql, final ObjectAdapter object) {
if (object == null) {
sql.append("NULL");
} else {
sql.append(connector.addToQueryValues(primaryKeyAsObject(object.getOid())));
}
}
/*
* This doesn't have to be an Int, it should be any object.
*/
public Object primaryKeyAsObject(final Oid oid) {
if (oid instanceof SqlOid) {
final PrimaryKey pk = ((SqlOid) oid).getPrimaryKey();
return pk.naturalValue();
} else {
return ((SerialOid) oid).getSerialNo();
}
}
public String primaryKey(final Oid oid) {
if (oid instanceof SqlOid) {
return "" + ((SqlOid) oid).getPrimaryKey().stringValue() + "";
} else {
return "" + ((SerialOid) oid).getSerialNo();
}
}
public Oid recreateOid(final Results rs, final ObjectSpecification specification) {
PrimaryKey key;
final Object object = rs.getObject(column);
if (object == null) {
return null;
} else {
final int id = ((Integer) object).intValue();
key = new IntegerPrimaryKey(id);
}
final Oid oid = new SqlOid(specification.getFullIdentifier(), key, State.PERSISTENT);
return oid;
}
protected ObjectAdapter getAdapter(final ObjectSpecification specification, final Oid oid) {
final AdapterManager objectLoader = IsisContext.getPersistenceSession().getAdapterManager();
final ObjectAdapter adapter = objectLoader.getAdapterFor(oid);
if (adapter != null) {
return adapter;
} else {
return IsisContext.getPersistenceSession().recreateAdapter(oid, specification);
}
}
}