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convert ImmutableMap to unmodifiable map

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This converts all remaining instances of ImmutableMap to JDK unmodifiable map.
This commit is contained in:
Sean Gilligan 2022-03-26 14:31:13 -07:00 • committed by Andreas Schildbach
parent fb9b6f16b3
commit 64e07b6b9d
3 changed files with 14 additions and 12 deletions
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3
core/src/main/java/org/bitcoinj/core/Transaction.java
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@ -32,7 +32,6 @@ import org.bitcoinj.wallet.Wallet;
import org.bitcoinj.wallet.WalletTransaction.Pool;
import com.google.common.base.MoreObjects;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
import com.google.common.math.IntMath;
import org.slf4j.Logger;
@ -376,7 +375,7 @@ public class Transaction extends ChildMessage {
*/
@Nullable
public Map<Sha256Hash, Integer> getAppearsInHashes() {
return appearsInHashes != null ? ImmutableMap.copyOf(appearsInHashes) : null;
return appearsInHashes != null ? Collections.unmodifiableMap(new HashMap<>(appearsInHashes)) : null;
}
/**

20
core/src/main/java/org/bitcoinj/script/ScriptOpCodes.java
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@ -18,8 +18,9 @@ package org.bitcoinj.script;
import com.google.common.collect.BiMap;
import com.google.common.collect.ImmutableBiMap;
import com.google.common.collect.ImmutableMap;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
/**
@ -279,13 +280,16 @@ public class ScriptOpCodes {
.put(OP_NOP9, "NOP9")
.put(OP_NOP10, "NOP10").build();
private static final Map<String, Integer> opCodeNameMap = ImmutableMap.<String, Integer>builder()
.putAll(opCodeMap.inverse())
.put("OP_FALSE", OP_FALSE)
.put("OP_TRUE", OP_TRUE)
.put("NOP2", OP_NOP2)
.put("NOP3", OP_NOP3)
.build();
private static final Map<String, Integer> opCodeNameMap = createOpCodeNameMap();
private static Map<String, Integer> createOpCodeNameMap() {
Map<String, Integer> map = new HashMap<>(opCodeMap.inverse());
map.put("OP_FALSE", OP_FALSE);
map.put("OP_TRUE", OP_TRUE);
map.put("NOP2", OP_NOP2);
map.put("NOP3", OP_NOP3);
return Collections.unmodifiableMap(map);
}
/**
* Converts the given OpCode into a string (eg "0", "PUSHDATA", or "NON_OP(10)")

3
core/src/main/java/org/bitcoinj/wallet/Wallet.java
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@ -19,7 +19,6 @@ package org.bitcoinj.wallet;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.google.common.math.IntMath;
@ -4938,7 +4937,7 @@ public class Wallet extends BaseTaggableObject
public Map<String, WalletExtension> getExtensions() {
lock.lock();
try {
return ImmutableMap.copyOf(extensions);
return Collections.unmodifiableMap(new HashMap<>(extensions));
} finally {
lock.unlock();
}