com.rapiddweller.common.math.Intervals Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of rd-lib-common Show documentation

'rapiddweller Common' is an open source Java library forked from Databene Commons by Volker Bergmann. It provides extensions to the Java core library by utility classes, abstract concepts and concrete implementations.

There is a newer version: 2.0.1-jdk-11

Show newest version

/*
 * Copyright (C) 2004-2015 Volker Bergmann ([email protected]).
 * All rights reserved.
 *
 * 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 com.rapiddweller.common.math;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

/**
 * Represents a collection of intervals and provides a {@link #contains(Object)}
 * method for checking if one of them contains a certain value.
 * Created: 10.03.2011 17:28:50
 *
 * @param  the type of the bounds that define the interval
 * @author Volker Bergmann
 * @since 0.5.8
 */
public class Intervals implements Serializable {

  private static final long serialVersionUID = 8528001196553630862L;

  private final List> intervals;

  /**
   * Instantiates a new Intervals.
   */
  public Intervals() {
    this.intervals = new ArrayList<>();
  }

  /**
   * Add.
   *
   * @param interval the interval
   */
  public void add(Interval interval) {
    intervals.add(interval);
  }

  /**
   * Contains boolean.
   *
   * @param x the x
   * @return the boolean
   */
  public boolean contains(E x) {
    for (Interval interval : intervals) {
      if (interval.contains(x)) {
        return true;
      }
    }
    return false;
  }

  /**
   * Interval count int.
   *
   * @return the int
   */
  public int intervalCount() {
    return intervals.size();
  }

  /**
   * Gets interval.
   *
   * @param i the
   * @return the interval
   */
  public Interval getInterval(int i) {
    return intervals.get(i);
  }

  @Override
  public String toString() {
    StringBuilder builder = new StringBuilder();
    if (intervals.size() > 0) {
      builder.append(intervals.get(0));
    }
    for (int i = 1; i < intervals.size(); i++) {
      builder.append(", ").append(intervals.get(i));
    }
    return builder.toString();
  }

}