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Fix removing regions from manager with the REMOVE_CHILDREN strategy. (#397)

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* Added test for removing regions from manager.

* Fix removing regions with REMOVE_CHILDREN strategy.
This commit is contained in:
wizjany 2019-03-22 14:20:32 -04:00 committed by GitHub
parent d091cb578f
commit 6144ca82ac
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 132 additions and 14 deletions
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2
worldguard-core/src/main/java/com/sk89q/worldguard/protection/managers/RemovalStrategy.java
View File

@ -33,7 +33,7 @@ public enum RemovalStrategy {
UNSET_PARENT_IN_CHILDREN,
/**
* Remove any children under the removed regions.
* Remove any children under the removed regions. This includes sub-children, etc.
*/
REMOVE_CHILDREN

9
worldguard-core/src/main/java/com/sk89q/worldguard/protection/managers/index/HashMapIndex.java
View File

@ -146,6 +146,8 @@ public Set<ProtectedRegion> remove(String id, RemovalStrategy strategy) {
if (removed != null) {
removedSet.add(removed);
while (true) {
int lastSize = removedSet.size();
Iterator<ProtectedRegion> it = regions.values().iterator();
// Handle children
@ -153,7 +155,7 @@ public Set<ProtectedRegion> remove(String id, RemovalStrategy strategy) {
ProtectedRegion current = it.next();
ProtectedRegion parent = current.getParent();
if (parent != null && parent == removed) {
if (parent != null && removedSet.contains(parent)) {
switch (strategy) {
case REMOVE_CHILDREN:
removedSet.add(current);
@ -164,6 +166,11 @@ public Set<ProtectedRegion> remove(String id, RemovalStrategy strategy) {
}
}
}
if (strategy == RemovalStrategy.UNSET_PARENT_IN_CHILDREN
|| removedSet.size() == lastSize) {
break;
}
}
}
this.removed.addAll(removedSet);

111
worldguard-core/src/test/java/com/sk89q/worldguard/protection/HashMapIndexRemovalTest.java Normal file
View File

@ -0,0 +1,111 @@
/*
* 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.math.BlockVector3;
import com.sk89q.worldguard.WorldGuard;
import com.sk89q.worldguard.protection.flags.registry.FlagRegistry;
import com.sk89q.worldguard.protection.managers.RegionManager;
import com.sk89q.worldguard.protection.managers.RemovalStrategy;
import com.sk89q.worldguard.protection.managers.index.HashMapIndex;
import com.sk89q.worldguard.protection.managers.storage.MemoryRegionDatabase;
import com.sk89q.worldguard.protection.regions.ProtectedCuboidRegion;
import com.sk89q.worldguard.protection.regions.ProtectedRegion;
import com.sk89q.worldguard.protection.regions.ProtectedRegion.CircularInheritanceException;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
public class HashMapIndexRemovalTest {
private static final String ORPHAN_ID = "orphan";
private static final String NESTED_ID_PREFIX = "nested_";
private static final int NEST_DEPTH = 5; // minimum 3
private RegionManager manager;
private FlagRegistry getFlagRegistry() {
return WorldGuard.getInstance().getFlagRegistry();
}
private RegionManager createRegionManager() {
return new RegionManager(new MemoryRegionDatabase(), new HashMapIndex.Factory(), getFlagRegistry());
}
@Before
public void setUp() {
manager = createRegionManager();
setUpOrphanRegion();
setUpDeeplyNestedRegions();
}
private void setUpDeeplyNestedRegions() {
ProtectedRegion parent = null;
for (int i = 0; i < NEST_DEPTH; i++) {
ProtectedRegion newRegion = new ProtectedCuboidRegion(NESTED_ID_PREFIX + i,
BlockVector3.ZERO, BlockVector3.ZERO); // bounds don't matter for this test
if (parent != null) {
try {
newRegion.setParent(parent);
} catch (CircularInheritanceException ignored) {
}
}
parent = newRegion;
}
manager.addRegion(parent);
}
private void setUpOrphanRegion() {
ProtectedRegion orphan = new ProtectedCuboidRegion(ORPHAN_ID,
BlockVector3.ZERO, BlockVector3.at(5, 5, 5));
manager.addRegion(orphan);
}
@Test
public void testRemoveWithUnset() {
int initialSize = 1 + NEST_DEPTH; // orphan + nested
assertEquals(initialSize, manager.size());
manager.removeRegion(NESTED_ID_PREFIX + "0", RemovalStrategy.UNSET_PARENT_IN_CHILDREN);
assertEquals(initialSize - 1, manager.size());
assertFalse(manager.hasRegion(NESTED_ID_PREFIX + "0"));
final ProtectedRegion firstChild = manager.getRegion(NESTED_ID_PREFIX + "1");
assertNotNull(firstChild);
assertNull(firstChild.getParent());
final ProtectedRegion secondChild = manager.getRegion(NESTED_ID_PREFIX + "2");
assertNotNull(secondChild);
assertEquals(secondChild.getParent(), firstChild);
}
@Test
public void testRemoveWithChildren() {
int initialSize = 1 + NEST_DEPTH; // orphan + nested
assertEquals(manager.size(), initialSize);
manager.removeRegion(NESTED_ID_PREFIX + "1", RemovalStrategy.REMOVE_CHILDREN);
assertEquals(2, manager.size());
assertTrue(manager.hasRegion(NESTED_ID_PREFIX + "0"));
assertTrue(manager.hasRegion(ORPHAN_ID));
}
}