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Code Releases Activity

HCOLL-216 added removeLater

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This commit is contained in:
Rob Austin
2014-11-25 14:27:25 +00:00
parent abcf1fabc4
commit 70656a83b9
7 changed files with 203 additions and 89 deletions
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src/main/java/net/openhft/chronicle/map/VanillaChronicleMap.java
+53 -20
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@@ -58,7 +58,8 @@ class VanillaChronicleMap<K, KI, MKI extends MetaBytesInterop<K, KI>,
implements ChronicleMap<K, V>, Serializable {
/**
* Because DirectBitSet implementations couldn't find more than 64 continuous clear or set bits.
* Because DirectBitSet implementations couldn't find more than 64 continuous clear or set
* bits.
*/
static final int MAX_ENTRY_OVERSIZE_FACTOR = 64;
static final ThreadLocal<MultiStoreBytes> tmpBytes = new ThreadLocal<>();
@@ -448,6 +449,38 @@ class VanillaChronicleMap<K, KI, MKI extends MetaBytesInterop<K, KI>,
};
}
@Override
public Future<V> removeLater(@NotNull K key) {
final V v = remove(key);
return new Future<V>() {
@Override
public boolean cancel(boolean mayInterruptIfRunning) {
return false;
}
@Override
public boolean isCancelled() {
return false;
}
@Override
public boolean isDone() {
return true;
}
@Override
public V get() throws InterruptedException, ExecutionException {
return v;
}
@Override
public V get(long timeout, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException {
return v;
}
};
}
@NotNull
@Override
public WriteContext<K, V> acquireUsingLocked(@NotNull K key, @NotNull V usingValue) {
@@ -569,9 +602,9 @@ class VanillaChronicleMap<K, KI, MKI extends MetaBytesInterop<K, KI>,
/**
* removes ( if there exists ) an entry from the map, if the {@param key} and {@param expectedValue} match
* that of a maps.entry. If the {@param expectedValue} equals null then ( if there exists ) an entry whose
* key equals {@param key} this is removed.
* removes ( if there exists ) an entry from the map, if the {@param key} and {@param
* expectedValue} match that of a maps.entry. If the {@param expectedValue} equals null then (
* if there exists ) an entry whose key equals {@param key} this is removed.
*
* @param k the key of the entry to remove
* @param expectedValue null if not required
@@ -631,8 +664,8 @@ class VanillaChronicleMap<K, KI, MKI extends MetaBytesInterop<K, KI>,
* replace the value in a map, only if the existing entry equals {@param existingValue}
*
* @param key the key into the map
* @param existingValue the expected existing value in the map ( could be null when we don't wish to do
* this check )
* @param existingValue the expected existing value in the map ( could be null when we don't
* wish to do this check )
* @param newValue the new value you wish to store in the map
* @return the value that was replaced
*/
@@ -1174,13 +1207,13 @@ class VanillaChronicleMap<K, KI, MKI extends MetaBytesInterop<K, KI>,
}
/**
* Removes a key (or key-value pair) from the Segment. <p/> <p>The entry will only be removed if
* {@code expectedValue} equals to {@code null} or the value previously corresponding to the specified
* key.
* Removes a key (or key-value pair) from the Segment. <p/> <p>The entry will only be
* removed if {@code expectedValue} equals to {@code null} or the value previously
* corresponding to the specified key.
*
* @param hash2 a hash code related to the {@code keyBytes}
* @return the value of the entry that was removed if the entry corresponding to the {@code keyBytes}
* exists and {@link #removeReturnsNull} is {@code false}, {@code null} otherwise
* @return the value of the entry that was removed if the entry corresponding to the {@code
* keyBytes} exists and {@link #removeReturnsNull} is {@code false}, {@code null} otherwise
*/
V remove(ThreadLocalCopies copies, MKI metaKeyInterop, KI keyInterop, K key,
V expectedValue, long hash2) {
@@ -1240,9 +1273,9 @@ class VanillaChronicleMap<K, KI, MKI extends MetaBytesInterop<K, KI>,
}
/**
* Replaces the specified value for the key with the given value. {@code newValue} is set only if the
* existing value corresponding to the specified key is equal to {@code expectedValue} or {@code
* expectedValue == null}.
* Replaces the specified value for the key with the given value. {@code newValue} is set
* only if the existing value corresponding to the specified key is equal to {@code
* expectedValue} or {@code expectedValue == null}.
*
* @param hash2 a hash code related to the {@code keyBytes}
* @return the replaced value or {@code null} if the value was not replaced
@@ -1319,17 +1352,17 @@ class VanillaChronicleMap<K, KI, MKI extends MetaBytesInterop<K, KI>,
}
/**
* Replaces value in existing entry. May cause entry relocation, because there may be not enough space
* for new value in location already allocated for this entry.
* Replaces value in existing entry. May cause entry relocation, because there may be not
* enough space for new value in location already allocated for this entry.
*
* @param pos index of the first block occupied by the entry
* @param offset relative offset of the entry in Segment bytes (before, i. e. including
* metaData)
* @param offset relative offset of the entry in Segment bytes (before, i. e.
* including metaData)
* @param entry relative pointer in Segment bytes
* @param valueSizePos relative position of value size in entry
* @param entryEndAddr absolute address of the entry end
* @return relative offset of the entry in Segment bytes after putting value (that may cause entry
* relocation)
* @return relative offset of the entry in Segment bytes after putting value (that may cause
* entry relocation)
*/
long putValue(long pos, long offset, NativeBytes entry, long valueSizePos,
long entryEndAddr, ThreadLocalCopies copies, V value, Bytes valueBytes,