Package org.elasticsearch.common.collect
Class ImmutableOpenMap.Builder<KType,VType>
- java.lang.Object
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- org.elasticsearch.common.collect.ImmutableOpenMap.Builder<KType,VType>
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- All Implemented Interfaces:
ObjectObjectAssociativeContainer<KType,VType>,ObjectObjectMap<KType,VType>,Iterable<ObjectObjectCursor<KType,VType>>
- Enclosing class:
- ImmutableOpenMap<KType,VType>
public static class ImmutableOpenMap.Builder<KType,VType> extends Object implements ObjectObjectMap<KType,VType>
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description ImmutableOpenMap<KType,VType>build()Builds a new instance of the<K,V>
ImmutableOpenMap.Builder<K,V>cast()voidclear()Clear all keys and values in the container.booleancontainsKey(KType key)Returnstrueif this container has an association to a value for the given key.<T extends ObjectObjectProcedure<? super KType,? super VType>>
TforEach(T procedure)Applies a given procedure to all keys-value pairs in this container.ImmutableOpenMap.Builder<KType,VType>fPut(KType key, VType value)A put operation that can be used in the fluent pattern.ImmutableOpenMap.Builder<KType,VType>fRemove(KType key)Remove that can be used in the fluent pattern.VTypeget(KType key)VTypegetOrDefault(KType kType, VType vType)booleanindexExists(int index)VTypeindexGet(int index)Returns the value associated with an existing key.voidindexInsert(int index, KType key, VType value)Inserts a key-value pair for a key that is not present in the map.intindexOf(KType key)Returns a logical "index" of a given key that can be used to speed up follow-up value setters or getters in certain scenarios (conditional logic).VTypeindexReplace(int index, VType newValue)Replaces the value associated with an existing key and returns any previous value stored for that key.booleanisEmpty()Iterator<ObjectObjectCursor<KType,VType>>iterator()Returns a cursor over the entries (key-value pairs) in this map.ObjectCollection<KType>keys()Returns a collection of keys of this container.VTypeput(KType key, VType value)Place a given key and value in the container.intputAll(ObjectObjectAssociativeContainer<? extends KType,? extends VType> container)Puts all keys from another container to this map, replacing the values of existing keys, if such keys are present.intputAll(Iterable<? extends ObjectObjectCursor<? extends KType,? extends VType>> iterable)Puts all keys from an iterable cursor to this map, replacing the values of existing keys, if such keys are present.ImmutableOpenMap.Builder<KType,VType>putAll(Map<KType,VType> map)Puts all the entries in the map to the builder.voidrelease()Removes all elements from the collection and additionally releases any internal buffers.VTyperemove(KType key)Remove all values at the given key.intremoveAll(ObjectContainer<? super KType> container)Removes all keys (and associated values) present in a given container.intremoveAll(ObjectObjectPredicate<? super KType,? super VType> predicate)Removes all keys (and associated values) for which the predicate returnstrue.intremoveAll(ObjectPredicate<? super KType> predicate)Removes all keys (and associated values) for which the predicate returnstrue.intsize()ObjectContainer<VType>values()Returns a container view of all values present in this container.StringvisualizeKeyDistribution(int characters)Visually depict the distribution of keys.-
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface java.lang.Iterable
forEach, spliterator
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Methods inherited from interface com.carrotsearch.hppc.ObjectObjectMap
equals, hashCode
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Constructor Detail
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Builder
public Builder()
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Builder
public Builder(int size)
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Builder
public Builder(ImmutableOpenMap<KType,VType> map)
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Method Detail
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build
public ImmutableOpenMap<KType,VType> build()
Builds a new instance of the
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putAll
public ImmutableOpenMap.Builder<KType,VType> putAll(Map<KType,VType> map)
Puts all the entries in the map to the builder.
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fPut
public ImmutableOpenMap.Builder<KType,VType> fPut(KType key, VType value)
A put operation that can be used in the fluent pattern.
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put
public VType put(KType key, VType value)
Description copied from interface:ObjectObjectMapPlace a given key and value in the container.- Specified by:
putin interfaceObjectObjectMap<KType,VType>- Returns:
- The value previously stored under the given key in the map is returned.
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get
public VType get(KType key)
- Specified by:
getin interfaceObjectObjectMap<KType,VType>- Returns:
- Returns the value associated with the given key or the default
value for the value type, if the key is not associated with any
value. For numeric value types, this default value is 0, for
object types it is
null.
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getOrDefault
public VType getOrDefault(KType kType, VType vType)
- Specified by:
getOrDefaultin interfaceObjectObjectMap<KType,VType>- Returns:
- Returns the value associated with the given key or the provided default value if the key is not associated with any value.
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putAll
public int putAll(ObjectObjectAssociativeContainer<? extends KType,? extends VType> container)
Description copied from interface:ObjectObjectMapPuts all keys from another container to this map, replacing the values of existing keys, if such keys are present.- Specified by:
putAllin interfaceObjectObjectMap<KType,VType>- Returns:
- Returns the number of keys added to the map as a result of this call (not previously present in the map). Values of existing keys are overwritten.
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putAll
public int putAll(Iterable<? extends ObjectObjectCursor<? extends KType,? extends VType>> iterable)
Description copied from interface:ObjectObjectMapPuts all keys from an iterable cursor to this map, replacing the values of existing keys, if such keys are present.- Specified by:
putAllin interfaceObjectObjectMap<KType,VType>- Returns:
- Returns the number of keys added to the map as a result of this call (not previously present in the map). Values of existing keys are overwritten.
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fRemove
public ImmutableOpenMap.Builder<KType,VType> fRemove(KType key)
Remove that can be used in the fluent pattern.
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remove
public VType remove(KType key)
Description copied from interface:ObjectObjectMapRemove all values at the given key. The default value for the key type is returned if the value does not exist in the map.- Specified by:
removein interfaceObjectObjectMap<KType,VType>
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iterator
public Iterator<ObjectObjectCursor<KType,VType>> iterator()
Description copied from interface:ObjectObjectAssociativeContainerReturns a cursor over the entries (key-value pairs) in this map. The iterator is implemented as a cursor and it returns the same cursor instance on every call toIterator.next(). To read the current key and value use the cursor's public fields. An example is shown below.for (IntShortCursor c : intShortMap) { System.out.println("index=" + c.index + " key=" + c.key + " value=" + c.value); }The
indexfield inside the cursor gives the internal index inside the container's implementation. The interpretation of this index depends on to the container.
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containsKey
public boolean containsKey(KType key)
Description copied from interface:ObjectObjectAssociativeContainerReturnstrueif this container has an association to a value for the given key.- Specified by:
containsKeyin interfaceObjectObjectAssociativeContainer<KType,VType>
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size
public int size()
- Specified by:
sizein interfaceObjectObjectAssociativeContainer<KType,VType>- Returns:
- Returns the current size (number of assigned keys) in the container.
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isEmpty
public boolean isEmpty()
- Specified by:
isEmptyin interfaceObjectObjectAssociativeContainer<KType,VType>- Returns:
- Return
trueif this hash map contains no assigned keys.
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removeAll
public int removeAll(ObjectContainer<? super KType> container)
Description copied from interface:ObjectObjectAssociativeContainerRemoves all keys (and associated values) present in a given container. An alias to:keys().removeAll(container)
but with no additional overhead.- Specified by:
removeAllin interfaceObjectObjectAssociativeContainer<KType,VType>- Returns:
- Returns the number of elements actually removed as a result of this call.
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removeAll
public int removeAll(ObjectPredicate<? super KType> predicate)
Description copied from interface:ObjectObjectAssociativeContainerRemoves all keys (and associated values) for which the predicate returnstrue.- Specified by:
removeAllin interfaceObjectObjectAssociativeContainer<KType,VType>- Returns:
- Returns the number of elements actually removed as a result of this call.
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forEach
public <T extends ObjectObjectProcedure<? super KType,? super VType>> T forEach(T procedure)
Description copied from interface:ObjectObjectAssociativeContainerApplies a given procedure to all keys-value pairs in this container. Returns the argument (any subclass ofObjectObjectProcedure. This lets the caller to call methods of the argument by chaining the call (even if the argument is an anonymous type) to retrieve computed values, for example.- Specified by:
forEachin interfaceObjectObjectAssociativeContainer<KType,VType>
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clear
public void clear()
Description copied from interface:ObjectObjectMapClear all keys and values in the container.- Specified by:
clearin interfaceObjectObjectMap<KType,VType>- See Also:
ObjectObjectMap.release()
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keys
public ObjectCollection<KType> keys()
Description copied from interface:ObjectObjectAssociativeContainerReturns a collection of keys of this container. The returned collection is a view over the key set and any modifications (if allowed) introduced to the collection will propagate to the associative container immediately.- Specified by:
keysin interfaceObjectObjectAssociativeContainer<KType,VType>
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values
public ObjectContainer<VType> values()
Description copied from interface:ObjectObjectAssociativeContainerReturns a container view of all values present in this container. The returned collection is a view over the key set and any modifications (if allowed) introduced to the collection will propagate to the associative container immediately.- Specified by:
valuesin interfaceObjectObjectAssociativeContainer<KType,VType>
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cast
public <K,V> ImmutableOpenMap.Builder<K,V> cast()
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removeAll
public int removeAll(ObjectObjectPredicate<? super KType,? super VType> predicate)
Description copied from interface:ObjectObjectAssociativeContainerRemoves all keys (and associated values) for which the predicate returnstrue.- Specified by:
removeAllin interfaceObjectObjectAssociativeContainer<KType,VType>- Returns:
- Returns the number of elements actually removed as a result of this call.
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forEach
public <T extends ObjectObjectPredicate<? super KType,? super VType>> T forEach(T predicate)
Description copied from interface:ObjectObjectAssociativeContainerApplies a given predicate to all keys-value pairs in this container. Returns the argument (any subclass ofObjectObjectPredicate. This lets the caller to call methods of the argument by chaining the call (even if the argument is an anonymous type) to retrieve computed values, for example. The iteration is continued as long as the predicate returnstrue.- Specified by:
forEachin interfaceObjectObjectAssociativeContainer<KType,VType>
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indexOf
public int indexOf(KType key)
Description copied from interface:ObjectObjectMapReturns a logical "index" of a given key that can be used to speed up follow-up value setters or getters in certain scenarios (conditional logic). The semantics of "indexes" are not strictly defined. Indexes may (and typically won't be) contiguous. The index is valid only between map modifications (it will not be affected by read-only operations like iteration or value retrievals).- Specified by:
indexOfin interfaceObjectObjectMap<KType,VType>- Parameters:
key- The key to locate in the map.- Returns:
- A non-negative value of the logical "index" of the key in the map or a negative value if the key did not exist.
- See Also:
ObjectObjectMap.indexExists(int),ObjectObjectMap.indexGet(int),ObjectObjectMap.indexInsert(int, KType, VType),ObjectObjectMap.indexReplace(int, VType)
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indexExists
public boolean indexExists(int index)
- Specified by:
indexExistsin interfaceObjectObjectMap<KType,VType>- Parameters:
index- The index of a given key, as returned fromObjectObjectMap.indexOf(KType).- Returns:
- Returns
trueif the index corresponds to an existing key or false otherwise. This is equivalent to checking whether the index is a positive value (existing keys) or a negative value (non-existing keys). - See Also:
ObjectObjectMap.indexOf(KType)
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indexGet
public VType indexGet(int index)
Description copied from interface:ObjectObjectMapReturns the value associated with an existing key.- Specified by:
indexGetin interfaceObjectObjectMap<KType,VType>- Parameters:
index- The index of an existing key.- Returns:
- Returns the value currently associated with the key.
- See Also:
ObjectObjectMap.indexOf(KType)
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indexReplace
public VType indexReplace(int index, VType newValue)
Description copied from interface:ObjectObjectMapReplaces the value associated with an existing key and returns any previous value stored for that key.- Specified by:
indexReplacein interfaceObjectObjectMap<KType,VType>- Parameters:
index- The index of an existing key.- Returns:
- Returns the previous value associated with the key.
- See Also:
ObjectObjectMap.indexOf(KType)
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indexInsert
public void indexInsert(int index, KType key, VType value)Description copied from interface:ObjectObjectMapInserts a key-value pair for a key that is not present in the map. This method may help in avoiding double recalculation of the key's hash.- Specified by:
indexInsertin interfaceObjectObjectMap<KType,VType>- Parameters:
index- The index of a previously non-existing key, as returned fromObjectObjectMap.indexOf(KType).- See Also:
ObjectObjectMap.indexOf(KType)
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release
public void release()
Description copied from interface:ObjectObjectMapRemoves all elements from the collection and additionally releases any internal buffers. Typically, if the object is to be reused, a simpleObjectObjectMap.clear()should be a better alternative since it'll avoid reallocation.- Specified by:
releasein interfaceObjectObjectMap<KType,VType>- See Also:
ObjectObjectMap.clear()
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visualizeKeyDistribution
public String visualizeKeyDistribution(int characters)
Description copied from interface:ObjectObjectMapVisually depict the distribution of keys.- Specified by:
visualizeKeyDistributionin interfaceObjectObjectMap<KType,VType>- Parameters:
characters- The number of characters to "squeeze" the entire buffer into.- Returns:
- Returns a sequence of characters where '.' depicts an empty fragment of the internal buffer and 'X' depicts full or nearly full capacity within the buffer's range and anything between 1 and 9 is between.
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