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/**
 * Copyright 2017 TerraMeta Software, Inc.
 * 
 * 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.plasma.query;

/**
 * A non-reference property with a type which is an real data type.
 */
public interface RealDataProperty extends DataProperty {

  /**
   * Constructs a function, which returns the smallest integer that is greater
   * than the number, and returns this data property for use in subsequent
   * operations
   * 
   * @return this data property for use in subsequent operations
   */
  public RealDataProperty ceiling();

  /**
   * Constructs a function, which returns the largest integer that is greater
   * than the number, and returns this data property for use in subsequent
   * operations
   * 
   * @return this data property for use in subsequent operations
   */
  public RealDataProperty floor();

  /**
   * Constructs a function, which returns the nearest integer, and returns this
   * data property for use in subsequent operations
   * 
   * @return this data property for use in subsequent operations
   */
  public RealDataProperty round();

}