Java tutorial
/* Copyright (c) 2013-2016 Boundless and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Distribution License v1.0 * which accompanies this distribution, and is available at * https://www.eclipse.org/org/documents/edl-v10.html * * Contributors: * Victor Olaya (Boundless) - initial implementation */ package org.geogig.osm.internal.history; import java.util.Iterator; import java.util.Map; import org.locationtech.jts.geom.Envelope; import com.google.common.base.Optional; import com.google.common.base.Supplier; import com.google.common.base.Suppliers; import com.google.common.collect.Maps; import com.google.common.primitives.Longs; /** * */ public class Changeset implements Comparable<Changeset> { private long id; private String userName; private long userId; private long created; private Optional<Long> closed; private boolean open; private Envelope wgs84Bounds; private String comment; private Map<String, String> tags; private Supplier<Optional<Iterator<Change>>> changes; public Changeset() { tags = Maps.newHashMap(); userId = -1; } public long getId() { return id; } public String getUserName() { return userName; } public long getUserId() { return userId; } public long getCreated() { return created; } public Optional<Long> getClosed() { return closed; } public boolean isOpen() { return open; } public Optional<Envelope> getWgs84Bounds() { return Optional.fromNullable(wgs84Bounds); } public Optional<String> getComment() { return Optional.fromNullable(comment); } public Supplier<Optional<Iterator<Change>>> getChanges() { if (changes == null) { return Suppliers.ofInstance(Optional.<Iterator<Change>>absent()); } return changes; } void setChanges(Supplier<Optional<Iterator<Change>>> changes) { this.changes = changes; } public Map<String, String> getTags() { return tags; } void setId(long id) { this.id = id; } void setUserName(String userName) { this.userName = userName; } void setUserId(long userId) { this.userId = userId; } void setCreated(long created) { this.created = created; } void setClosed(long closed) { this.closed = Optional.of(Long.valueOf(closed)); } void setOpen(boolean open) { this.open = open; } void setWgs84Bounds(Envelope wgs84Bounds) { this.wgs84Bounds = wgs84Bounds; } void setComment(String comment) { this.comment = comment; } void setTags(Map<String, String> tags) { this.tags = tags; } @Override public int compareTo(Changeset o) { return Longs.compare(this.id, o.getId()); } }