/*
 * $URL:$
 * $Author:$
 * $Date:$
 * $Revision:$

 * Copyright 2004-2007 Revolution Systems 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 com.revolsys.geometry.filter;

import java.util.function.Predicate;

import com.revolsys.geometry.model.BoundingBox;
import com.revolsys.geometry.model.Geometry;
import com.revolsys.geometry.model.LineString;

public class LessThanDistanceFilter implements Predicate<Geometry> {
  /** The maximum distance the object can be from the source geometry. */
  private double distance;

  private BoundingBox envelope;

  /** The geometry to compare the data objects to to. */
  private Geometry geometry;

  public LessThanDistanceFilter() {
  }

  /**
   * Construct a new LineStringLessThanDistanceFilter.
   *
   * @param geometry The geometry to compare the data objects to to.
   * @param distance
   */
  public LessThanDistanceFilter(final LineString geometry, final double distance) {
    this.distance = distance;
    setGeometry(geometry);
  }

  /**
   * Get the maximum distance the object can be from the source geometry.
   *
   * @return The maximum distance the object can be from the source geometry.
   */
  public double getDistance() {
    return this.distance;
  }

  public com.revolsys.geometry.model.BoundingBox getEnvelope() {
    return this.envelope;
  }

  /**
   * Get the geometry to compare the data objects to to.
   *
   * @return The geometry to compare the data objects to to.
   */
  public Geometry getGeometry() {
    return this.geometry;
  }

  public void setDistance(final double distance) {
    this.distance = distance;
  }

  public void setGeometry(final Geometry geometry) {
    this.geometry = geometry;
    this.envelope = geometry.getBoundingBox();
    this.envelope = this.envelope.expand(this.distance);
  }

  @Override
  public boolean test(final Geometry geometry) {
    final BoundingBox boundingBox = geometry.getBoundingBox();
    if (boundingBox.intersects(this.envelope)) {
      return geometry.isLessThanDistance(geometry, this.distance);
    } else {
      return false;
    }

  }
}