tools.xor.view.QueryDispatcher Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of xor Show documentation

Empowering Model Driven Architecture in J2EE applications

There is a newer version: 2.4.1

/**
 * XOR, empowering Model Driven Architecture in J2EE applications
 *
 * Copyright (c) 2019, Dilip Dalton
 *
 * 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 tools.xor.view;

public interface QueryDispatcher
{
    /**
     * The execution and reconstitution of the results proceeds as follows:
     * 1. A BFS traversal of the AggregateTree to execute the queries
     * 2. The query results are saved in the QueryTreeInvocation object
     * 3. The results are reconstituted in a pre-order DFS traversal of the AggregateTree
     */
    void execute();
}