/
DelayedRegionOverlapAssociation.java
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/
DelayedRegionOverlapAssociation.java
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/*
* WorldGuard, a suite of tools for Minecraft
* Copyright (C) sk89q <http://www.sk89q.com>
* Copyright (C) WorldGuard team and contributors
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldguard.protection;
import com.sk89q.worldedit.util.Location;
import com.sk89q.worldguard.protection.regions.RegionQuery;
import com.sk89q.worldguard.domains.Association;
import com.sk89q.worldguard.protection.ApplicableRegionSet;
import com.sk89q.worldguard.protection.association.RegionAssociable;
import com.sk89q.worldguard.protection.regions.ProtectedRegion;
import javax.annotation.Nullable;
import java.util.List;
import java.util.Set;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Determines that the association to a region is {@code OWNER} if the input
* region is in a set of source regions.
*
* <p>This class only performs a spatial query if its
* {@link #getAssociation(List)} method is called.</p>
*/
public class DelayedRegionOverlapAssociation implements RegionAssociable {
private final RegionQuery query;
private final Location location;
@Nullable
private Set<ProtectedRegion> source;
/**
* Create a new instance.
*
* @param query the query
* @param location the location
*/
public DelayedRegionOverlapAssociation(RegionQuery query, Location location) {
checkNotNull(query);
checkNotNull(location);
this.query = query;
this.location = location;
}
@Override
public Association getAssociation(List<ProtectedRegion> regions) {
if (source == null) {
ApplicableRegionSet result = query.getApplicableRegions(location);
source = result.getRegions();
}
for (ProtectedRegion region : regions) {
if ((region.getId().equals(ProtectedRegion.GLOBAL_REGION) && source.isEmpty()) || source.contains(region)) {
return Association.OWNER;
}
}
return Association.NON_MEMBER;
}
}