TreeLoadService.java

/*
 * DBeaver - Universal Database Manager
 * Copyright (C) 2010-2017 Serge Rider (serge@jkiss.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.
 */
package org.jkiss.dbeaver.ui.navigator.database.load;

import org.jkiss.dbeaver.model.navigator.DBNDatabaseNode;
import org.jkiss.dbeaver.model.navigator.DBNNode;
import org.jkiss.dbeaver.model.runtime.DBRProgressMonitor;
import org.jkiss.dbeaver.model.runtime.load.DatabaseLoadService;
import org.jkiss.dbeaver.ui.navigator.NavigatorUtils;

import java.lang.reflect.InvocationTargetException;

/**
 * TreeLoadService
 */
public class TreeLoadService extends DatabaseLoadService<Object[]> {

    private DBNNode parentNode;

    public TreeLoadService(String serviceName, DBNDatabaseNode parentNode)
    {
        super(serviceName, parentNode);
        this.parentNode = parentNode;
    }

    public DBNNode getParentNode() {
        return parentNode;
    }

    @Override
    public Object[] evaluate(DBRProgressMonitor monitor)
        throws InvocationTargetException, InterruptedException
    {
        try {
            DBNNode[] children = NavigatorUtils.getNodeChildrenFiltered(monitor, parentNode, true);
            return children == null ? new Object[0] : children;
        } catch (Throwable ex) {
            throw new InvocationTargetException(ex);
        }
    }

}