de.iwes.widgets.pattern.widget.table.PatternTableData 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.json.JSONObject;
import org.ogema.core.resourcemanager.AccessPriority;
import org.ogema.core.resourcemanager.pattern.ResourcePattern;
import org.ogema.core.resourcemanager.pattern.ResourcePatternAccess;
import de.iwes.widgets.api.extended.mode.UpdateMode;
import de.iwes.widgets.api.extended.pattern.PatternWidgetData;
import de.iwes.widgets.api.widgets.sessionmanagement.OgemaHttpRequest;
import de.iwes.widgets.html.complextable.DynamicTableData;
public class PatternTableData> extends DynamicTableData
implements PatternWidgetData
{
protected volatile Class patternType = null;
protected final ResourcePatternAccess rpa;
public PatternTableData(PatternTable
patternTable, ResourcePatternAccess rpa) {
super(patternTable);
this.rpa = rpa;
}
@Override
public JSONObject retrieveGETData(OgemaHttpRequest req) {
if (getUpdateMode() == UpdateMode.AUTO_ON_GET) {
writeLock();
try {
updateOnGet();
} finally {
writeUnlock();
}
}
return super.retrieveGETData(req);
}
protected void updateOnGet() {
List patterns;
if (patternType == null)
patterns = Collections.emptyList();
else
patterns = rpa.getPatterns(patternType, AccessPriority.PRIO_LOWEST);
updateRows(patterns);
}
public Class getType() {
return patternType;
}
public void setType(Class patternType) {
writeLock();
try {
this.patternType = patternType;
if (getUpdateMode() != UpdateMode.MANUAL) {
updateOnGet();
}
} finally {
writeUnlock();
}
}
@SuppressWarnings("unchecked")
protected UpdateMode getUpdateMode() {
return ((PatternTable
) widget).updateMode;
}
}