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/**
 * Copyright (c) 2013, impossibl.com
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *  * Neither the name of impossibl.com nor the names of its contributors may
 *    be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package com.impossibl.postgres.api.data;

import java.util.Arrays;

/**
 * Represents an open or closed path.
 */
public class Path {
  private boolean closed;
  private double[][] points;

  public Path() {
  }

  public Path(double[][] points, boolean closed) {
    this.setClosed(closed);
    this.setPoints(points);
  }

  public boolean isClosed() {
    return closed;
  }

  public void setClosed(boolean closed) {
    this.closed = closed;
  }

  public double[][] getPoints() {
    return points;
  }

  public void setPoints(double[][] points) {
    this.points = points;
  }

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + (closed ? 1231 : 1237);
    result = prime * result + Arrays.hashCode(points);
    return result;
  }

  @Override
  public boolean equals(Object obj) {
    if (this == obj)
      return true;
    if (obj == null)
      return false;
    if (!(obj instanceof Path))
      return false;
    Path other = (Path) obj;
    if (closed != other.closed)
      return false;
    if (!Arrays.deepEquals(points, other.points))
      return false;
    return true;
  }

  @Override
  public String toString() {
    StringBuilder builder = new StringBuilder();
    if (closed) {
      builder.append('(');
    }
    else {
      builder.append('[');
    }
    if (points != null) {
      for (double[] point: points) {
        builder.append('(').append(point[0]).append(',').append(point[1]).append("),");
      }
      builder.setLength(builder.length() - 1);
    }
    if (closed) {
      builder.append(')');
    }
    else {
      builder.append(']');
    }
    return builder.toString();
  }

}