org.teamapps.ux.model.BaseTreeModel Maven / Gradle / Ivy
/*-
* ========================LICENSE_START=================================
* TeamApps
* ---
* Copyright (C) 2014 - 2023 TeamApps.org
* ---
* 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.
* =========================LICENSE_END==================================
*/
package org.teamapps.ux.model;
import org.teamapps.ux.component.node.TreeNode;
import org.teamapps.ux.component.tree.TreeNodeInfo;
import org.teamapps.ux.component.tree.TreeNodeInfoExtractor;
import java.util.Collections;
import java.util.List;
public interface BaseTreeModel extends TreeNodeInfoExtractor {
/**
* Get the child records of a node. This is currently only used for lazy parent nodes but might be used
* for other reasons later.
*/
default List getChildRecords(RECORD parentRecord) {
return Collections.emptyList();
}
default TreeNodeInfo getTreeNodeInfo(RECORD record) {
if (record instanceof TreeNode) {
return (TreeNode) record;
} else {
return null;
}
}
}