EpicKnarvik97/mcMMO
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Code Issues Projects Releases Wiki Activity

Use @NotNull in methods rather than @Nullable

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Separate safe external methods from internal only methods
Remove unnecessary methods
This commit is contained in:
t00thpick1 2021-01-02 17:29:15 -05:00
parent 10694042e9
commit 5b41b04777
7 changed files with 109 additions and 266 deletions
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1
src/main/java/com/gmail/nossr50/mcMMO.java
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@ -345,7 +345,6 @@ public class mcMMO extends JavaPlugin {
formulaManager.saveFormula();
holidayManager.saveAnniversaryFiles();
placeStore.cleanUp(); // Cleanup empty metadata stores
placeStore.closeAll();
}

125
src/main/java/com/gmail/nossr50/util/blockmeta/ChunkManager.java
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@ -1,127 +1,10 @@
package com.gmail.nossr50.util.blockmeta;
import org.bukkit.World;
import org.bukkit.block.Block;
import org.bukkit.block.BlockState;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.annotations.NotNull;
public interface ChunkManager {
public interface ChunkManager extends UserBlockTracker {
void closeAll();
/**
* Saves a given Chunk's Chunklet data
*
* @param cx Chunk X coordinate that is to be saved
* @param cz Chunk Z coordinate that is to be saved
* @param world World that the Chunk is in
*/
void saveChunk(int cx, int cz, @Nullable World world);
/**
* Informs the ChunkletManager a chunk is unloaded
*
* @param cx Chunk X coordinate that is unloaded
* @param cz Chunk Z coordinate that is unloaded
* @param world World that the chunk was unloaded in
*/
void chunkUnloaded(int cx, int cz, @Nullable World world);
/**
* Save all ChunkletStores related to the given world
*
* @param world World to save
*/
void saveWorld(World world);
/**
* Unload all ChunkletStores from memory related to the given world after saving them
*
* @param world World to unload
*/
void unloadWorld(World world);
/**
* Save all ChunkletStores
*/
void saveAll();
/**
* Check to see if a given location is set to true
*
* @param x X coordinate to check
* @param y Y coordinate to check
* @param z Z coordinate to check
* @param world World to check in
* @return true if the given location is set to true, false if otherwise
*/
boolean isTrue(int x, int y, int z, @Nullable World world);
/**
* Check to see if a given block location is set to true
*
* @param block Block location to check
* @return true if the given block location is set to true, false if otherwise
*/
boolean isTrue(@Nullable Block block);
/**
* Check to see if a given BlockState location is set to true
*
* @param blockState BlockState to check
* @return true if the given BlockState location is set to true, false if otherwise
*/
boolean isTrue(@Nullable BlockState blockState);
/**
* Set a given location to true, should create stores as necessary if the location does not exist
*
* @param x X coordinate to set
* @param y Y coordinate to set
* @param z Z coordinate to set
* @param world World to set in
*/
void setTrue(int x, int y, int z, @Nullable World world);
/**
* Set a given block location to true, should create stores as necessary if the location does not exist
*
* @param block Block location to set
*/
void setTrue(@Nullable Block block);
/**
* Set a given BlockState location to true, should create stores as necessary if the location does not exist
*
* @param blockState BlockState location to set
*/
void setTrue(@Nullable BlockState blockState);
/**
* Set a given location to false, should not create stores if one does not exist for the given location
*
* @param x X coordinate to set
* @param y Y coordinate to set
* @param z Z coordinate to set
* @param world World to set in
*/
void setFalse(int x, int y, int z, @Nullable World world);
/**
* Set a given block location to false, should not create stores if one does not exist for the given location
*
* @param block Block location to set
*/
void setFalse(@Nullable Block block);
/**
* Set a given BlockState location to false, should not create stores if one does not exist for the given location
*
* @param blockState BlockState location to set
*/
void setFalse(@Nullable BlockState blockState);
/**
* Delete any ChunkletStores that are empty
*/
void cleanUp();
void chunkUnloaded(int cx, int cz, @NotNull World world);
void unloadWorld(@NotNull World world);
}

1
src/main/java/com/gmail/nossr50/util/blockmeta/ChunkStore.java
View File

@ -1,6 +1,5 @@
package com.gmail.nossr50.util.blockmeta;
import org.bukkit.World;
import org.jetbrains.annotations.NotNull;
import java.util.UUID;

134
src/main/java/com/gmail/nossr50/util/blockmeta/HashChunkManager.java
View File

@ -1,6 +1,5 @@
package com.gmail.nossr50.util.blockmeta;
import com.gmail.nossr50.mcMMO;
import org.bukkit.Bukkit;
import org.bukkit.World;
import org.bukkit.block.Block;
@ -8,13 +7,16 @@ import org.bukkit.block.BlockState;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.io.*;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.IOException;
import java.util.*;
public class HashChunkManager implements ChunkManager {
private final @NotNull HashMap<CoordinateKey, McMMOSimpleRegionFile> regionMap = new HashMap<>(); // Tracks active regions
private final @NotNull HashMap<CoordinateKey, HashSet<CoordinateKey>> chunkUsageMap = new HashMap<>(); // Tracks active chunks by region
private final @NotNull HashMap<CoordinateKey, ChunkStore> chunkMap = new HashMap<>(); // Tracks active chunks
private final HashMap<CoordinateKey, McMMOSimpleRegionFile> regionMap = new HashMap<>(); // Tracks active regions
private final HashMap<CoordinateKey, HashSet<CoordinateKey>> chunkUsageMap = new HashMap<>(); // Tracks active chunks by region
private final HashMap<CoordinateKey, ChunkStore> chunkMap = new HashMap<>(); // Tracks active chunks
@Override
public synchronized void closeAll() {
@ -23,7 +25,10 @@ public class HashChunkManager implements ChunkManager {
{
if (!chunkStore.isDirty())
continue;
writeChunkStore(Bukkit.getWorld(chunkStore.getWorldId()), chunkStore);
World world = Bukkit.getWorld(chunkStore.getWorldId());
if (world == null)
continue; // Oh well
writeChunkStore(world, chunkStore);
}
// Clear in memory chunks
chunkMap.clear();
@ -104,56 +109,12 @@ public class HashChunkManager implements ChunkManager {
}
@Override
public synchronized void saveChunk(int cx, int cz, @Nullable World world) {
if (world == null)
return;
CoordinateKey chunkKey = toChunkKey(world.getUID(), cx, cz);
ChunkStore out = chunkMap.get(chunkKey);
if (out == null)
return;
if (!out.isDirty())
return;
writeChunkStore(world, out);
}
@Override
public synchronized void chunkUnloaded(int cx, int cz, @Nullable World world) {
if (world == null)
return;
public synchronized void chunkUnloaded(int cx, int cz, @NotNull World world) {
unloadChunk(cx, cz, world);
}
@Override
public synchronized void saveWorld(@Nullable World world) {
if (world == null)
return;
UUID wID = world.getUID();
// Save all teh chunks
for (ChunkStore chunkStore : chunkMap.values()) {
if (!chunkStore.isDirty())
continue;
if (!wID.equals(chunkStore.getWorldId()))
continue;
try {
writeChunkStore(world, chunkStore);
}
catch (Exception ignore) { }
}
}
@Override
public synchronized void unloadWorld(@Nullable World world) {
if (world == null)
return;
public synchronized void unloadWorld(@NotNull World world) {
UUID wID = world.getUID();
// Save and remove all the chunks
@ -179,18 +140,7 @@ public class HashChunkManager implements ChunkManager {
}
}
@Override
public synchronized void saveAll() {
for (World world : mcMMO.p.getServer().getWorlds()) {
saveWorld(world);
}
}
@Override
public synchronized boolean isTrue(int x, int y, int z, @Nullable World world) {
if (world == null)
return false;
private synchronized boolean isTrue(int x, int y, int z, @NotNull World world) {
CoordinateKey chunkKey = blockCoordinateToChunkKey(world.getUID(), x, y, z);
// Get chunk, load from file if necessary
@ -216,67 +166,36 @@ public class HashChunkManager implements ChunkManager {
}
@Override
public synchronized boolean isTrue(@Nullable Block block) {
if (block == null)
return false;
public synchronized boolean isTrue(@NotNull Block block) {
return isTrue(block.getX(), block.getY(), block.getZ(), block.getWorld());
}
@Override
public synchronized boolean isTrue(@Nullable BlockState blockState) {
if (blockState == null)
return false;
public synchronized boolean isTrue(@NotNull BlockState blockState) {
return isTrue(blockState.getX(), blockState.getY(), blockState.getZ(), blockState.getWorld());
}
@Override
public synchronized void setTrue(int x, int y, int z, @Nullable World world) {
set(x, y, z, world, true);
public synchronized void setTrue(@NotNull Block block) {
set(block.getX(), block.getY(), block.getZ(), block.getWorld(), true);
}
@Override
public synchronized void setTrue(@Nullable Block block) {
if (block == null)
return;
setTrue(block.getX(), block.getY(), block.getZ(), block.getWorld());
public synchronized void setTrue(@NotNull BlockState blockState) {
set(blockState.getX(), blockState.getY(), blockState.getZ(), blockState.getWorld(), true);
}
@Override
public synchronized void setTrue(@Nullable BlockState blockState) {
if (blockState == null)
return;
setTrue(blockState.getX(), blockState.getY(), blockState.getZ(), blockState.getWorld());
public synchronized void setFalse(@NotNull Block block) {
set(block.getX(), block.getY(), block.getZ(), block.getWorld(), false);
}
@Override
public synchronized void setFalse(int x, int y, int z, @Nullable World world) {
set(x, y, z, world, false);
public synchronized void setFalse(@NotNull BlockState blockState) {
set(blockState.getX(), blockState.getY(), blockState.getZ(), blockState.getWorld(), false);
}
@Override
public synchronized void setFalse(@Nullable Block block) {
if (block == null)
return;
setFalse(block.getX(), block.getY(), block.getZ(), block.getWorld());
}
@Override
public synchronized void setFalse(@Nullable BlockState blockState) {
if (blockState == null)
return;
setFalse(blockState.getX(), blockState.getY(), blockState.getZ(), blockState.getWorld());
}
public synchronized void set(int x, int y, int z, @Nullable World world, boolean value){
if (world == null)
return;
private synchronized void set(int x, int y, int z, @NotNull World world, boolean value){
CoordinateKey chunkKey = blockCoordinateToChunkKey(world.getUID(), x, y, z);
// Get/Load/Create chunkstore
@ -350,7 +269,4 @@ public class HashChunkManager implements ChunkManager {
return Objects.hash(worldID, x, z);
}
}
@Override
public synchronized void cleanUp() {}
}

52
src/main/java/com/gmail/nossr50/util/blockmeta/NullChunkManager.java
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@ -3,6 +3,7 @@ package com.gmail.nossr50.util.blockmeta;
import org.bukkit.World;
import org.bukkit.block.Block;
import org.bukkit.block.BlockState;
import org.jetbrains.annotations.NotNull;
public class NullChunkManager implements ChunkManager {
@ -10,53 +11,30 @@ public class NullChunkManager implements ChunkManager {
public void closeAll() {}
@Override
public void saveChunk(int cx, int cz, World world) {}
public void chunkUnloaded(int cx, int cz, @NotNull World world) {}
@Override
public void chunkUnloaded(int cx, int cz, World world) {}
public void unloadWorld(@NotNull World world) {}
@Override
public void saveWorld(World world) {}
@Override
public void unloadWorld(World world) {}
@Override
public void saveAll() {}
@Override
public boolean isTrue(int x, int y, int z, World world) {
public boolean isTrue(@NotNull Block block) {
return false;
}
@Override
public boolean isTrue(Block block) {
public boolean isTrue(@NotNull BlockState blockState) {
return false;
}
@Override
public boolean isTrue(BlockState blockState) {
return false;
}
@Override
public void setTrue(int x, int y, int z, World world) {}
@Override
public void setTrue(Block block) {}
@Override
public void setTrue(BlockState blockState) {}
@Override
public void setFalse(int x, int y, int z, World world) {}
@Override
public void setFalse(Block block) {}
@Override
public void setFalse(BlockState blockState) {}
@Override
public void cleanUp() {}
public void setTrue(@NotNull Block block) {}
@Override
public void setTrue(@NotNull BlockState blockState) {}
@Override
public void setFalse(@NotNull Block block) {}
@Override
public void setFalse(@NotNull BlockState blockState) {}
}

56
src/main/java/com/gmail/nossr50/util/blockmeta/UserBlockTracker.java Normal file
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@ -0,0 +1,56 @@
package com.gmail.nossr50.util.blockmeta;
import com.gmail.nossr50.mcMMO;
import org.bukkit.block.Block;
import org.bukkit.block.BlockState;
import org.jetbrains.annotations.NotNull;
/**
* Contains blockstore methods that are safe for external plugins to access.
* An instance can be retrieved via {@link mcMMO#getPlaceStore() mcMMO.getPlaceStore()}
*/
public interface UserBlockTracker {
/**
* Check to see if a given block location is set to true
*
* @param block Block location to check
* @return true if the given block location is set to true, false if otherwise
*/
boolean isTrue(@NotNull Block block);
/**
* Check to see if a given BlockState location is set to true
*
* @param blockState BlockState to check
* @return true if the given BlockState location is set to true, false if otherwise
*/
boolean isTrue(@NotNull BlockState blockState);
/**
* Set a given block location to true
*
* @param block Block location to set
*/
void setTrue(@NotNull Block block);
/**
* Set a given BlockState location to true
*
* @param blockState BlockState location to set
*/
void setTrue(@NotNull BlockState blockState);
/**
* Set a given block location to false
*
* @param block Block location to set
*/
void setFalse(@NotNull Block block);
/**
* Set a given BlockState location to false
*
* @param blockState BlockState location to set
*/
void setFalse(@NotNull BlockState blockState);
}

18
src/test/java/ChunkStoreTest.java
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@ -2,6 +2,7 @@ import com.gmail.nossr50.util.blockmeta.*;
import com.google.common.io.Files;
import org.bukkit.Bukkit;
import org.bukkit.World;
import org.bukkit.block.Block;
import org.jetbrains.annotations.NotNull;
import org.junit.*;
import org.junit.runner.RunWith;
@ -141,9 +142,20 @@ public class ChunkStoreTest {
@Test
public void testRegressionChunkMirrorBug() {
ChunkManager chunkManager = new HashChunkManager();
chunkManager.setTrue(15,0,15, mockWorld);
chunkManager.setFalse(-15, 0, -15, mockWorld);
Assert.assertTrue(chunkManager.isTrue(15, 0, 15, mockWorld));
Block mockBlockA = mock(Block.class);
Mockito.when(mockBlockA.getX()).thenReturn(15);
Mockito.when(mockBlockA.getZ()).thenReturn(15);
Mockito.when(mockBlockA.getY()).thenReturn(0);
Mockito.when(mockBlockA.getWorld()).thenReturn(mockWorld);
Block mockBlockB = mock(Block.class);
Mockito.when(mockBlockB.getX()).thenReturn(-15);
Mockito.when(mockBlockB.getZ()).thenReturn(-15);
Mockito.when(mockBlockB.getY()).thenReturn(0);
Mockito.when(mockBlockB.getWorld()).thenReturn(mockWorld);
chunkManager.setTrue(mockBlockA);
chunkManager.setFalse(mockBlockB);
Assert.assertTrue(chunkManager.isTrue(mockBlockA));
}
private interface Delegate {