Java tutorial
/** * Licensed to the TomTom International B.V. under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. TomTom International B.V. * licenses this file to you 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. */ /** * Copyright (C) 2009-2012 TomTom International B.V. * * TomTom (Legal Department) * Email: legal@tomtom.com * * TomTom (Technical contact) * Email: openlr@tomtom.com * * Address: TomTom International B.V., Oosterdoksstraat 114, 1011DK Amsterdam, * the Netherlands */ package openlr.location; import java.util.Collections; import java.util.List; import openlr.LocationType; import openlr.map.Line; import org.apache.commons.lang.builder.EqualsBuilder; import org.apache.commons.lang.builder.HashCodeBuilder; /** * Implementation of the location interface for closed line locations. * * <p> * OpenLR is a trade mark of TomTom International B.V. * <p> * email: software@openlr.org * * @author DLR e.V. (RE) */ public class ClosedLineLocation extends AbstractLocation { /** * The location as an ordered list of lines (from start to end, where the * end node of the last line must coincide with the start node of the first * line ) */ private final List<Line> lines; /** * Instantiates a new location with a unique key and the closed line * location as a list of lines. * * @param idString the unique ID * @param loc the location as a list of lines */ protected ClosedLineLocation(final String idString, final List<? extends Line> loc) { super(idString, LocationType.CLOSED_LINE); lines = Collections.unmodifiableList(loc); } /********************** COPY CONSTRUCTOR *************************/ /** * Instantiates a copy of location l. * * @param l * the location be copied */ ClosedLineLocation(final ClosedLineLocation l) { super(l); lines = Collections.unmodifiableList(l.getLocationLines()); } /** * {@inheritDoc} */ @Override public final List<Line> getLocationLines() { return lines; } /** * {@inheritDoc} */ @Override public final String toString() { StringBuilder sb = new StringBuilder(); sb.append("id: ").append(id); sb.append(" loc type: ").append(locType); sb.append(" #lines: ").append(lines.size()); sb.append(" ["); for (int i = 0; i < lines.size(); i++) { sb.append(lines.get(i).getID()); if (i != lines.size() - 1) { sb.append(","); } } sb.append("]"); return sb.toString(); } /** * {@inheritDoc} */ @Override public final int calculateHashCode() { HashCodeBuilder builder = new HashCodeBuilder(); builder.append(locType).append(lines); return builder.toHashCode(); } /** * {@inheritDoc} */ @Override public final boolean equals(final Object obj) { if (!(obj instanceof ClosedLineLocation)) { return false; } if (this == obj) { return true; } ClosedLineLocation other = (ClosedLineLocation) obj; EqualsBuilder builder = new EqualsBuilder(); builder.append(lines, other.lines).append(locType, other.locType); return builder.isEquals(); } /** * {@inheritDoc} */ @Override public final int hashCode() { return getHashCode(); } }