org.apache.openjpa.conf.AutoDetachValue Maven / Gradle / Ivy
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* 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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* specific language governing permissions and limitations
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*/
package org.apache.openjpa.conf;
import java.util.ArrayList;
import java.util.List;
import org.apache.openjpa.kernel.AutoDetach;
import org.apache.openjpa.lib.conf.StringListValue;
/**
* Value type used to represent auto detach flags. Separate to
* optimize translation of Strings to bit flags.
*
* @author Steve Kim
* @nojavadoc
*/
class AutoDetachValue
extends StringListValue {
public static final String DETACH_CLOSE = "close";
public static final String DETACH_COMMIT = "commit";
public static final String DETACH_ROLLBACK= "rollback";
public static final String DETACH_NONTXREAD = "nontx-read";
private static String[] ALIASES = new String[]{
DETACH_CLOSE, String.valueOf(AutoDetach.DETACH_CLOSE),
DETACH_COMMIT, String.valueOf(AutoDetach.DETACH_COMMIT),
DETACH_NONTXREAD, String.valueOf(AutoDetach.DETACH_NONTXREAD),
DETACH_ROLLBACK, String.valueOf(AutoDetach.DETACH_ROLLBACK),
// for compatibility with JDO DetachAllOnCommit
"true", String.valueOf(AutoDetach.DETACH_COMMIT),
"false", "0",
};
private int _flags;
private boolean _flagsSet;
public AutoDetachValue() {
super("AutoDetach");
setAliases(ALIASES);
setAliasListComprehensive(true);
}
public Class getValueType() {
return String[].class;
}
public void setConstant(int flags) {
_flags = flags;
}
public int getConstant() {
if (!_flagsSet) {
String[] vals = get();
for (int i = 0; i < vals.length; i++)
_flags |= Integer.parseInt(unalias(vals[i]));
_flagsSet = true;
}
return _flags;
}
protected List getAliasList() {
// We do not document the numeric values and they are not
// helpful to someone trying to understand the error message
ArrayList list = new ArrayList();
for (int x = 0; x < ALIASES.length; x += 2)
list.add(ALIASES[x]);
return list;
}
}