org.richfaces.model.NodesTreeSequenceKeyModel Maven / Gradle / Ivy
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*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
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*
* This software is distributed in the hope that it will be useful,
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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*/
package org.richfaces.model;
/**
* @author Nick Belaevski
*
*/
public abstract class NodesTreeSequenceKeyModel extends TreeSequenceKeyModel {
private V rootNode;
protected V getRootNode() {
return rootNode;
}
protected void setRootNode(V rootNode) {
this.rootNode = rootNode;
}
protected void setupKey(SequenceRowKey key) {
setRowKeyAndData(null, rootNode);
if (key != null) {
V data = getRootNode();
for (Object simpleKey: key.getSimpleKeys()) {
data = setupChildContext(simpleKey);
setData(data);
}
setRowKeyAndData(key, data);
}
}
protected abstract V setupChildContext(Object segment);
public TreeDataModelTuple createSnapshot() {
return new TreeDataModelTuple(getRowKey(), getData());
}
public void restoreFromSnapshot(TreeDataModelTuple tuple) {
setRowKeyAndData((SequenceRowKey) tuple.getRowKey(), (V) tuple.getData());
}
}