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More nullability in blockmeta classes

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This commit is contained in:
nossr50 2021-01-02 15:27:51 -08:00
parent 7ea3a2bf07
commit eff016c0a6
2 changed files with 15 additions and 14 deletions
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25
src/main/java/com/gmail/nossr50/util/blockmeta/BitSetChunkStore.java
View File

@ -3,6 +3,7 @@ package com.gmail.nossr50.util.blockmeta;
import org.bukkit.Bukkit; import org.bukkit.Bukkit;
import org.bukkit.World; import org.bukkit.World;
import org.jetbrains.annotations.NotNull; import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.io.*; import java.io.*;
import java.util.BitSet; import java.util.BitSet;
@ -15,9 +16,9 @@ public class BitSetChunkStore implements ChunkStore {
private final int cx; private final int cx;
private final int cz; private final int cz;
private final int worldHeight; private final int worldHeight;
private final UUID worldUid; private final @NotNull UUID worldUid;
// Bitset store conforms to a "bottom-up" bit ordering consisting of a stack of {worldHeight} Y planes, each Y plane consists of 16 Z rows of 16 X bits. // Bitset store conforms to a "bottom-up" bit ordering consisting of a stack of {worldHeight} Y planes, each Y plane consists of 16 Z rows of 16 X bits.
private final BitSet store; private final @NotNull BitSet store;
private transient boolean dirty = false; private transient boolean dirty = false;
@ -94,7 +95,7 @@ public class BitSetChunkStore implements ChunkStore {
return (z * 16 + x) + (256 * y); return (z * 16 + x) + (256 * y);
} }
private static int getWorldHeight(UUID worldUid, int storedWorldHeight) private static int getWorldHeight(@NotNull UUID worldUid, int storedWorldHeight)
{ {
World world = Bukkit.getWorld(worldUid); World world = Bukkit.getWorld(worldUid);
@ -105,7 +106,7 @@ public class BitSetChunkStore implements ChunkStore {
return world.getMaxHeight(); return world.getMaxHeight();
} }
private void serialize(DataOutputStream out) throws IOException { private void serialize(@NotNull DataOutputStream out) throws IOException {
out.writeInt(MAGIC_NUMBER); out.writeInt(MAGIC_NUMBER);
out.writeInt(CURRENT_VERSION); out.writeInt(CURRENT_VERSION);
@ -123,7 +124,7 @@ public class BitSetChunkStore implements ChunkStore {
dirty = false; dirty = false;
} }
private static BitSetChunkStore deserialize(@NotNull DataInputStream in) throws IOException { private static @NotNull BitSetChunkStore deserialize(@NotNull DataInputStream in) throws IOException {
int magic = in.readInt(); int magic = in.readInt();
// Can be used to determine the format of the file // Can be used to determine the format of the file
int fileVersionNumber = in.readInt(); int fileVersionNumber = in.readInt();
@ -187,7 +188,7 @@ public class BitSetChunkStore implements ChunkStore {
throw new IOException("Bad Data Format"); throw new IOException("Bad Data Format");
} }
public static void writeChunkStore(DataOutputStream outputStream, ChunkStore chunkStore) throws IOException { public static void writeChunkStore(@NotNull DataOutputStream outputStream, @NotNull ChunkStore chunkStore) throws IOException {
if (!(chunkStore instanceof BitSetChunkStore)) if (!(chunkStore instanceof BitSetChunkStore))
throw new InvalidClassException("ChunkStore must be instance of BitSetChunkStore"); throw new InvalidClassException("ChunkStore must be instance of BitSetChunkStore");
outputStream.writeShort(STREAM_MAGIC); outputStream.writeShort(STREAM_MAGIC);
@ -209,12 +210,12 @@ public class BitSetChunkStore implements ChunkStore {
private LegacyChunkStoreDeserializer() {} private LegacyChunkStoreDeserializer() {}
@Deprecated @Deprecated
private void writeObject(ObjectOutputStream out) throws IOException { private void writeObject(@NotNull ObjectOutputStream out) throws IOException {
throw new UnsupportedOperationException("You goofed."); throw new UnsupportedOperationException("You goofed.");
} }
@Deprecated @Deprecated
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException { private void readObject(@NotNull ObjectInputStream in) throws IOException, ClassNotFoundException {
in.readInt(); // Magic number in.readInt(); // Magic number
in.readInt(); // Format version in.readInt(); // Format version
long lsb = in.readLong(); long lsb = in.readLong();
@ -228,7 +229,7 @@ public class BitSetChunkStore implements ChunkStore {
worldHeight = store[0][0].length; worldHeight = store[0][0].length;
} }
public BitSetChunkStore convert() public @NotNull BitSetChunkStore convert()
{ {
int currentWorldHeight = getWorldHeight(worldUid, worldHeight); int currentWorldHeight = getWorldHeight(worldUid, worldHeight);
@ -249,20 +250,20 @@ public class BitSetChunkStore implements ChunkStore {
} }
public LegacyDeserializationInputStream(InputStream in) throws IOException { public LegacyDeserializationInputStream(@NotNull InputStream in) throws IOException {
super(in); super(in);
enableResolveObject(true); enableResolveObject(true);
} }
@Override @Override
protected ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException { protected @NotNull ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException {
ObjectStreamClass read = super.readClassDescriptor(); ObjectStreamClass read = super.readClassDescriptor();
if (read.getName().contentEquals("com.gmail.nossr50.util.blockmeta.chunkmeta.PrimitiveChunkStore")) if (read.getName().contentEquals("com.gmail.nossr50.util.blockmeta.chunkmeta.PrimitiveChunkStore"))
return ObjectStreamClass.lookup(LegacyChunkStoreDeserializer.class); return ObjectStreamClass.lookup(LegacyChunkStoreDeserializer.class);
return read; return read;
} }
public ChunkStore readLegacyChunkStore(){ public @Nullable ChunkStore readLegacyChunkStore(){
try { try {
LegacyChunkStoreDeserializer deserializer = (LegacyChunkStoreDeserializer)readObject(); LegacyChunkStoreDeserializer deserializer = (LegacyChunkStoreDeserializer)readObject();
return deserializer.convert(); return deserializer.convert();

4
src/main/java/com/gmail/nossr50/util/blockmeta/HashChunkManager.java
View File

@ -65,7 +65,7 @@ public class HashChunkManager implements ChunkManager {
} }
} }
private synchronized @Nullable McMMOSimpleRegionFile getSimpleRegionFile(World world, int cx, int cz, boolean createIfAbsent) { private synchronized @Nullable McMMOSimpleRegionFile getSimpleRegionFile(@NotNull World world, int cx, int cz, boolean createIfAbsent) {
CoordinateKey regionKey = toRegionKey(world.getUID(), cx, cz); CoordinateKey regionKey = toRegionKey(world.getUID(), cx, cz);
return regionMap.computeIfAbsent(regionKey, k -> { return regionMap.computeIfAbsent(regionKey, k -> {
@ -80,7 +80,7 @@ public class HashChunkManager implements ChunkManager {
}); });
} }
private @Nullable ChunkStore loadChunk(int cx, int cz, World world) { private @Nullable ChunkStore loadChunk(int cx, int cz, @NotNull World world) {
try { try {
return readChunkStore(world, cx, cz); return readChunkStore(world, cx, cz);
} }