org.apache.openjpa.jdbc.conf.JDBCProductDerivation Maven / Gradle / Ivy
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* 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
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* 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
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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*/
package org.apache.openjpa.jdbc.conf;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.openjpa.conf.BrokerFactoryValue;
import org.apache.openjpa.conf.OpenJPAProductDerivation;
import org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory;
import org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration;
import org.apache.openjpa.jdbc.sql.MySQLDictionary;
import org.apache.openjpa.jdbc.sql.OracleDictionary;
import org.apache.openjpa.lib.conf.AbstractProductDerivation;
import org.apache.openjpa.lib.conf.ConfigurationProvider;
/**
* Sets JDBC as default store.
*/
public class JDBCProductDerivation extends AbstractProductDerivation
implements OpenJPAProductDerivation {
public static final String PREFIX = "openjpa.jdbc";
public void putBrokerFactoryAliases(Map m) {
m.put("jdbc", JDBCBrokerFactory.class.getName());
}
public int getType() {
return TYPE_STORE;
}
public boolean beforeConfigurationConstruct(ConfigurationProvider cp) {
// default to JDBC when no broker factory set
if (BrokerFactoryValue.get(cp) == null) {
BrokerFactoryValue.set(cp, "jdbc");
return true;
}
return false;
}
/**
* Hint keys correspond to some (not all) bean-style mutable property name in JDBCFetchConfiguration.
* The fully qualified key is prefixed with openjpa.jdbc.
*/
private static Set _hints = new HashSet();
static {
_hints.add(PREFIX + ".EagerFetchMode");
_hints.add(PREFIX + ".FetchDirection");
_hints.add(PREFIX + ".TransactionIsolation");
_hints.add(PREFIX + ".JoinSyntax");
_hints.add(PREFIX + ".LRSSize");
_hints.add(PREFIX + ".ResultSetType");
_hints.add(PREFIX + ".SubclassFetchMode");
_hints.add(MySQLDictionary.SELECT_HINT);
_hints.add(OracleDictionary.SELECT_HINT);
_hints = Collections.unmodifiableSet(_hints);
}
@Override
public Set getSupportedQueryHints() {
return _hints;
}
}