com.arcadedb.query.sql.executor.ExecutionStep Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of arcadedb-engine Show documentation

There is a newer version: 24.11.1

/*
 * Copyright © 2021-present Arcade Data Ltd ([email protected])
 *
 * 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.
 *
 * SPDX-FileCopyrightText: 2021-present Arcade Data Ltd ([email protected])
 * SPDX-License-Identifier: Apache-2.0
 */
package com.arcadedb.query.sql.executor;

import java.util.*;
import java.util.stream.*;

/**
 * Created by luigidellaquila on 20/07/16.
 */
public interface ExecutionStep {

  String getName();

  String getType();

  String getDescription();

  List getSubSteps();

  /**
   * returns the absolute cost (in nanoseconds) of the execution of this step
   *
   * @return the absolute cost (in nanoseconds) of the execution of this step, -1 if not calculated
   */
  default long getCost() {
    return -1L;
  }

  default Result toResult() {
    final ResultInternal result = new ResultInternal();
    result.setProperty("name", getName());
    result.setProperty("type", getType());
    result.setProperty("targetNode", getType());
    result.setProperty(InternalExecutionPlan.JAVA_TYPE, getClass().getName());
    result.setProperty("cost", getCost());
    result.setProperty("subSteps", getSubSteps() == null ? null : getSubSteps().stream().map(x -> x.toResult()).collect(Collectors.toList()));
    result.setProperty("description", getDescription());
    return result;
  }

}