de.iwes.widgets.pattern.widget.table.ContextPatternTableData Maven / Gradle / Ivy
/**
* Copyright 2014-2018 Fraunhofer-Gesellschaft zur Förderung der angewandten Wissenschaften e.V.
*
* 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 de.iwes.widgets.pattern.widget.table;
import java.util.Collections;
import java.util.List;
import org.ogema.core.resourcemanager.AccessPriority;
import org.ogema.core.resourcemanager.pattern.ContextSensitivePattern;
import org.ogema.core.resourcemanager.pattern.ResourcePatternAccess;
import de.iwes.widgets.api.extended.mode.UpdateMode;
import de.iwes.widgets.api.extended.pattern.ContextPatternData;
public class ContextPatternTableData, C>
extends PatternTableData
implements ContextPatternData {
protected volatile C context = null;
public ContextPatternTableData(ContextPatternTable cpt, ResourcePatternAccess rpa) {
super(cpt, rpa);
}
@Override
protected void updateOnGet() {
if (getUpdateMode() == UpdateMode.AUTO_ON_GET) {
List patterns;
if (patternType == null || context == null)
patterns = Collections.emptyList();
else
patterns = rpa.getPatterns(patternType, AccessPriority.PRIO_LOWEST, context);
updateRows(patterns);
}
}
public void setContext(C context) {
writeLock();
try {
this.context = context;
if (getUpdateMode() != UpdateMode.MANUAL) {
updateOnGet();
}
} finally {
writeUnlock();
}
}
@Override
public C getContext() {
return context;
}
}