Skip navigation links

Package com.tangosol.util

Contains various generic utilities.

See:
Description

Interface Summary

AnyListener	An AnyEvent is an event used when no specific event implementation fits and it is not worth making one.
BinaryEntry	Map.Entry that internally stores both key and value in a Binary format and uses an underlying Serializer to convert it to and from an Object view.
ByteSequence	Represents a sequence of bytes.
ConcurrentMap	Map with additional concurrency features.
Continuation	Continuation interface is used to implement asynchronous post-processing, the pattern that is also known as the "Continuation-passing style".
Controllable	The Controllable interface represents a configurable daemon-like object, quite often referred to as a service, that usually operates on its own thread and has a controllable life cycle.
Converter	Provide for "pluggable" object conversions.
Disposable	The Disposable interface is used for life-cycle management of resources.
Filter	Provide for "pluggable" conditional behavior.
Gate	The Gate interface acts as an abstraction between the ThreadGate implementation that preceeds JDK 1.5 locks and the ThreadGateLite that uses the ReentrantReadWriteLock.
InflatableCollection.InflatedCollection	A marker interface which is used to identify internally inflated Collections.
InvocableMap	An InvocableMap is a Map against which both entry-targeted processing and aggregating operations can be invoked.
InvocableMap.Entry	An InvocableMap.Entry contains additional information and exposes additional operations that the basic Map.Entry does not.
InvocableMap.EntryAggregator	An EntryAggregator represents processing that can be directed to occur against some subset of the entries in an InvocableMap, resulting in a aggregated result.
InvocableMap.EntryProcessor	An invocable agent that operates against the Entry objects within a Map.
InvocableMap.ParallelAwareAggregator	A ParallelAwareAggregator is an advanced extension to EntryAggregator that is explicitly capable of being run in parallel, for example in a distributed environment.
LongArray	An interface, similar in its methods to List, and similar in its purpose to a Java array, designed for sparse storage and indexed by long values.
LongArray.Iterator	An Iterator that adds a "current element" concept, similar to the Map.Entry interface.
MapEventTransformer	MapEventTransformer interface is used to allow an event consumer to change the content of a MapEvent destined for the corresponding MapListener.
MapIndex	MapIndex is used to correlate values stored in an indexed Map (or attributes of those values) to the corresponding keys in the indexed Map.
MapListener	The listener interface for receiving MapEvents.
MapListenerSupport.SynchronousListener	A tag interface indicating that tagged MapListener implementation has to receive the MapEvent notifications in a synchronous manner.
MapTrigger	MapTrigger represents a functional agent that allows to validate, reject or modify mutating operations against an underlying map.
MapTrigger.Entry	A MapTrigger Entry represents a pending change to an Entry that is about to committed to the underlying Map.
ObservableMap	ObservableMap interface represents an object with a model being a Map that allows for pluggable notifications for occuring changes.
PagedIterator.Advancer	Advancer is a pluggable component that knows how to load a new page (Collection) of objects to be used by the enclosing PagedIterator.
QueryContext	The QueryContext provides an execution context to server-side agents during query execution.
QueryMap	Map with additional query features.
QueryMap.Entry	A QueryMap Entry exposes additional index-related operation that the basic Map Entry does not.
QueryRecord	The QueryRecord object carries information regarding the estimated or actual execution cost for a query operation.
QueryRecord.PartialResult	A QueryRecord.PartialResult is a partial query record that contains recorded costs for a query operation.
QueryRecord.PartialResult.ExplainStep	A QueryRecord.ExplainStep is a QueryRecord.PartialResult.RecordableStep that provides the ability to record the estimated cost of evaluating a filter as part of a query operation.
QueryRecord.PartialResult.IndexLookupRecord	An IndexLookupRecord holds the recorded information about an index lookup performed during filter evaluation as part of a query record.
QueryRecord.PartialResult.RecordableStep	A QueryRecord.RecordableStep is a step that provides the ability to record the cost of evaluating a filter as part of a query operation.
QueryRecord.PartialResult.Step	A QueryRecord.Step carries the recorded cost of evaluating a filter as part of a query operation.
QueryRecord.PartialResult.TraceStep	A QueryRecord.TraceStep is a QueryRecord.PartialResult.RecordableStep that provides the ability to record the information associated with the actual cost of evaluating a filter as part of a query operation.
SegmentedConcurrentMap.ContentionObserver	ContentionObserver is used to observe the contention lock-related actions performed on the concurrent map.
SegmentedHashMap.EntryAction	An EntryAction encapsulates a logical action to be executed in the context of a key (that may or may not exist in the map).
SegmentedHashMap.IterableEntryAction	IterableEntryAction is an EntryAction that is suitable for applying to all keys in a map.
Service	A Service is a Controllable that emits service lifecycle events.
ServiceListener	The listener interface for receiving ServiceEvents.
Sizable	The Sizable interface is implemented by types that are capable of calculating the memory footprint of an instance.
SynchronousListener	A tag interface indicating that a listener implementation has to receive the event notifications synchronously on the corresponding service's thread.
ThreadFactory	Factory interface for Thread creation.
TransactionMap	ConcurrentMap with additional transaction support.
TransactionMap.Validator	A callback interface used by TransactionMap implementations.
ValueExtractor	ValueExtractor is used to both extract values (for example, for sorting or filtering) from an object, and to provide an identity for that extraction.
ValueManipulator	ValueManipulator represents a composition of ValueExtractor and ValueUpdater implementations.
ValueUpdater	ValueUpdater is used to update an object's state.
Versionable	An interface for versionable data.

Class Summary

AbstractByteSequence	A simple base class for ByteSequence implementations.
AbstractByteSequence.AggregateByteSequence	A naive ByteSequence that glues two ByteSequence instances together.
AbstractByteSequence.PartialByteSequence	A naive ByteSequence that represents a portion of another ByteSequence.
AbstractKeyBasedMap	AbstractKeyBasedMap is a base class for Map implementations.
AbstractKeySetBasedMap	AbstractKeySetBasedMap is an extension to the AbstractKeyBasedMap that has a full awareness of the set of keys upon which the Map is based.
AbstractLongArray	An implementation of portions of the LongArray interface.
AbstractMapListener	A base class that simplifies the implementation of a MapListener, particularly inner classes that only implement one or two of the three event methods.
AbstractSparseArray	A data structure resembling an array indexed by long values, stored as an AVL tree.
AbstractSparseArray.Node	An AVL tree node.
AbstractStableIterator	An abstract Iterator implementation that is stable between the AbstractStableIterator.hasNext() and AbstractStableIterator.next() methods, and between the AbstractStableIterator.next() and AbstractStableIterator.remove() methods.
AnyEvent	An AnyEvent is an event used when no specific event implementation fits and it is not worth making one.
Base	Base class for providing standard functionality.
Binary	A thread-safe immutable binary object.
BinaryRadixTree	A BinaryRadixTree is a memory-optimized radix tree (aka a Patricia trie) that is intended to efficiently store a mapping from Binary values to long values.
BinaryRadixTree.BinaryLongMap	A Map of Binary to Long.
BinaryWriteBuffer	a WriteBuffer implementation whose primary purpose is to be used to create Binary objects.
BitHelper	A collection of methods for bit-based operations.
CacheCollator	Implements a collator which caches its keys.
ChainedEnumerator	Provide an enumerator which enumerates the contents of multiple enumerators.
ChainedMap	Chains two maps into one virtual map.
CircularArrayList	Resizable-array implementation of the List interface.
ClassFilter	Filter which discards all objects that are not of a certain class.
ClassHelper	This abstract class contains dynamic (reflect-based) class, method, and field manipulation methods.
CollectionHelper	This abstract class contains helper functions for manipulating collections and enumerations.
CompositeKey	Key class that consists of a primary and secondary component.
ConditionalIndex	ConditionalIndex is a MapIndex implemenation that uses an associated filter to evaluate whether or not an entry should be indexed.
ConverterCollections	A collection of Collection implementation classes that use the Converter interface to convert the items stored in underlying collection objects.
ConverterCollections.AbstractConverterEntry	An abstract Map Entry that lazily converts the key and value.
ConverterCollections.ConverterCacheEvent	A Converter CacheEvent views an underlying CacheEvent through a set of key and value Converters.
ConverterCollections.ConverterCacheMap	A Converter CacheMap views an underlying CacheMap through a set of key and value Converters.
ConverterCollections.ConverterCollection	A Converter Collection views an underlying Collection through a Converter.
ConverterCollections.ConverterConcurrentMap	A Converter ConcurrentMap views an underlying ConcurrentMap through a set of key and value Converters.
ConverterCollections.ConverterEntry	A Map Entry that lazily converts the key and value.
ConverterCollections.ConverterEntrySet	A Converter Entry Set views an underlying Entry Set through a set of key and value Converters.
ConverterCollections.ConverterInvocableMap	A Converter InvocableMap views an underlying InvocableMap through a set of key and value Converters.
ConverterCollections.ConverterList	A Converter List views an underlying List through a Converter.
ConverterCollections.ConverterListIterator	A Converter ListIterator views an underlying ListIterator through a Converter.
ConverterCollections.ConverterMap	A Converter Map views an underlying Map through a set of key and value Converters.
ConverterCollections.ConverterMapEvent	A ConverterMapEvent views an underlying MapEvent through a set of key and value Converters.
ConverterCollections.ConverterMapListener	A converter MapListener that converts events of the underlying MapListener for the underlying map.
ConverterCollections.ConverterNamedCache	A Converter NamedCache views an underlying NamedCache through a set of key and value Converters.
ConverterCollections.ConverterObservableMap	A Converter ObservableMap views an underlying ObservableMap through a set of key and value Converters.
ConverterCollections.ConverterQueryMap	A Converter QueryMap views an underlying QueryMap through a set of key and value Converters.
ConverterCollections.ConverterSet	A Converter Set views an underlying Set through a Converter.
ConverterCollections.ConverterSortedMap	A Converter SortedMap views an underlying SortedMap through a set of key and value Converters.
ConverterCollections.ConverterSortedSet	A Converter SortedSet views an underlying SortedSet through a Converter.
ConverterEnumerator	Provide an implementation of an enumerator which converts each of the items which it enumerates.
CopyOnWriteLongArray	A thread-safe variant of LongArray in which all mutating operations (e.g.
CopyOnWriteLongArray.UnmodifiableIterator	Unmodifiable view of a LongArray.Iterator.
Daemon	A abstract Daemon thread handler.
DaemonThreadFactory	DaemonThreadFactory is a ThreadFactory which produces daemon threads.
DeltaSet	Implements a set which is based on another set, which is assumed to be immutable.
Dequeue	Represents a double-ended queue (dequeue) of objects.
EntrySetMap	A trivial Map implementation that is based on a specified set of entries.
EnumerationIterator	Provide a implementation of an Iterator based on data from an Enumeration.
ExternalizableHelper	Helpers for the Serializable, Externalizable and the ExternalizableLite interface.
FilterEnumerator	Provide a generic implementation of an enumerator which can enumerate items based on an inclusion test.
HashHelper	This abstract class contains helper functions for calculating hash code values for any group of java intrinsics.
ImmutableArrayList	Implementation of the Collection Framework interface "List" in a read- only fashion on top of an array data structure.
ImmutableMultiList	Implementation of the List interface in a read-only fashion based on a collection of arrays.
InflatableCollection	A Collection implementation which optimizes memory consumption for collections that often contain just a single value.
InflatableList	A List specialization of InflatableCollection.
InflatableSet	A Set specialization of InflatableCollection.
InvocableMapHelper	Helper methods for InvocableMap implementations and Filter related evaluation.
InvocableMapHelper.IndexAdapter	MapListener implementation that routes the map events into the corresponding MapIndex calls.
InvocableMapHelper.SimpleEntry	Simple implementation of the InvocableMap.Entry interface.
IteratorEnumerator	Provide a implementation of an enumerator based on data from an Iterator.
Listeners	Provide a simple, efficient, and thread-safe implementation of a list of event listeners.
ListMap	As of Coherence 3.2, the ListMap simply extends Java's own LinkedHashMap, which became available in JDK 1.4.
LiteMap	An implementation of java.util.Map that is optimal (in terms of both size and speed) for very small sets of data but still works excellently with large sets of data.
LiteMap.EntryIterator	A simple Iterator for LiteMap Entry objects.
LiteSet	An implementation of java.util.Set that is optimal (in terms of both size and speed) for very small sets of data but still works excellently with large sets of data.
MapEvent	An event which indicates that the content of a map has changed: an entry has been added an entry has been removed an entry has been changed A MapEvent object is sent as an argument to the MapListener interface methods.
MapListenerSupport	This class provides support for advanced MapListener functionality.
MapListenerSupport.FilterEvent	An extension of the CacheEvent which may carry no values (old or new), but instead holds on an array of Filter objects being the "cause" of the event.
MapListenerSupport.WrapperSynchronousListener	A wrapper class that turns the specified MapListener into a synchronous listener.
MapSet	An ExternalizableLite implementation of java.util.Set that uses an underlying Map object to store its data in, just as the Java HashSet implementation uses an underlying HashMap for its element storage.
MapTriggerListener	MapTriggerListener is a special purpose MapListener implementation that is used to register a MapTrigger on a corresponding ObservableMap.
MultiplexingMapListener	A base class that simplifies the implementation of a MapListener by multiplexing all events into a single listener method.
NullFilter	Filter which discards null references.
NullImplementation	A collection of classes that do nothing.
NullImplementation.NullActionPolicy	An implementation of an ActionPolicy that allows all actions.
NullImplementation.NullBackingMapManagerContext	An implementation of BackingMapManagerContext that does nothing.
NullImplementation.NullCacheStore	An implementation of an CacheStore that does nothing.
NullImplementation.NullContinuation	An implementation of Continuation that does nothing.
NullImplementation.NullConverter	A Converter that does nothing.
NullImplementation.NullDeltaCompressor	An implementation of a DeltaCompressor that does nothing and always returns the new stream.
NullImplementation.NullEntryProcessor	An implementation of an EntryProcessor that does nothing and returns Boolean.TRUE as a result of execution.
NullImplementation.NullEnumerator	An empty enumerator.
NullImplementation.NullFlatRegistry	A FlatRegistry that contains nothing.
NullImplementation.NullMap	A Map that contains nothing and does nothing.
NullImplementation.NullObservableMap	An immutable ObservableMap which contains nothing.
NullImplementation.NullOutputStream	An OutputStream that does basically nothing.
NullImplementation.NullPofContext	An implementation of PofContext that does nothing.
NullImplementation.NullPofHandler	An implementation of PofHandler that does nothing.
NullImplementation.NullSet	An immutable set which contains nothing.
NullImplementation.NullValueExtractor	A ValueExtractor that always results in the passed-in value.
NullImplementation.NullWriter	A writer that does basically nothing.
ObservableHashMap	An ObservableMap implementation that extends the SafeHashMap.
PagedIterator	PagedIterator is an Iterator implementation based on a concept of a page Advancer - a pluggable component that knows how to supply a next page of objects to iterate through.
PrimitiveSparseArray	A data structure resembling a long array indexed by long values.
PrimitiveSparseArray.PrimitiveNode	Node mapping long key to Object value.
QueryHelper	QueryHelper is a utility class that provides a set of factory methods used for building instances of Filter or ValueExtractor.
RecyclingLinkedList	Extends SafeLinkedList and adds recycling of Node objects.
RestrictedCollections	A collection of Collection implementation classes that limit the data type.
RestrictedCollections.RestrictedCollection	A restricted Collection that requires its contents to be of a specified class.
RestrictedCollections.RestrictedEntrySet	A restricted Collection that requires its contents to be of a specified class.
RestrictedCollections.RestrictedList	A restricted List that requires its contents to be of a specified class.
RestrictedCollections.RestrictedListIterator	A restricted ListIterator that requires its contents to be of a specified class.
RestrictedCollections.RestrictedMap	A restricted Map that requires its keys and values to be of specified classes.
RestrictedCollections.RestrictedSet	A restricted Set that requires its contents to be of a specified class.
RestrictedCollections.RestrictedSortedMap	A restricted SortedMap that requires its keys and values to be of specified classes.
RestrictedCollections.RestrictedSortedSet	A restricted Set that requires its contents to be of a specified class.
SafeClock	SafeClock maintains a "safe" time in milliseconds.
SafeHashMap	An implementation of java.util.Map that is synchronized, but minimally so.
SafeHashMap.Entry	A map entry (key-value pair).
SafeHashSet	An implementation of java.util.Set that is synchronized, but minimally so.
SafeLinkedList	Implementation of the Collection Framework interface "List" using a linked list algorithm.
SafeLinkedList.Node	A Node in the List.
SafeSortedMap	SafeSortedMap is an implementation of SortedMap based on a skip-list that is structurally thread-safe.
SafeSortedMap.BaseEntryNode	BaseEntryNode is a synthetic EntryNode that serves as the "head" of the base entry list.
SafeSortedMap.EntryNode	EntryNode represents a key-value mapping in this map.
SafeSortedMap.SkipNode	SkipNode is an entry or index node in the lattice for a SafeSortedMap's representation.
SegmentedConcurrentMap	An implementation of SegmentedHashMap that also implements the ConcurrentMap interface.
SegmentedConcurrentMap.SizeAction	Action support for size().
SegmentedHashMap	An implementation of java.util.Map that is optimized for heavy concurrent use.
SegmentedHashMap.ContainsValueAction	Action support for containsValue().
SegmentedHashMap.Entry	A map entry (key-value pair).
SegmentedHashMap.EntryActionAdapter	EntryActionAdapter is a convenience class that provides default implementations for the EntryAction and IterableEntryAction interface methods.
SegmentedHashMap.Segment	Segment metadata.
SegmentedHashSet	An implementation of java.util.Set that is optimized for heavy concurrent use.
ServiceEvent	An event which indicates that a Service state has changed: a service is starting a service has started a service is stopping a service has stopped A ServiceEvent object is sent as an argument to the ServiceListener interface methods.
SimpleEnumerator	Provide a generic implementation of an array enumerator.
SimpleLongArray	An implementation of LongArray that stores values in an array, thus is actually an "IntArray".
SimpleMapEntry	A map entry (key-value pair).
SimpleMapIndex	SimpleMapIndex is a MapIndex implementation used to correlate property values extracted from resource map entries with corresponding keys using what is commonly known as an Inverted Index algorithm.
SimpleMapIndex.IndexCalculator	A stateful calculator used to calculate the cost of a homogeneous index (holding all values of a single type).
SimpleMapIndex.IndexCalculator.CalculatorState	The CalculatorState identifies the method used by the calculator to calculate the cost of a key or a value type.
SimpleQueryRecord	Simple QueryRecord implementation.
SimpleQueryRecord.PartialResult	Simple QueryRecord.PartialResult implementation.
SimpleQueryRecord.PartialResult.IndexLookupRecord	Simple QueryRecord.PartialResult.IndexLookupRecord implementation.
SimpleQueryRecord.PartialResult.Step	Simple QueryRecord.PartialResult.Step implementation.
SimpleQueryRecordReporter	Simple query record reporter used to obtain a string representation of QueryRecord object.
SimpleStack	A LIFO (last in, first out) unbounded stack of objects.
SingleWaiterMultiNotifier	A Condition-like object, used by a single thread to block for a notification, and optimized for many concurrent notifications by other threads.
SortedEnumerator	Sorts the contents of the passed enumerator then enumerates those contents.
SparseArray	A data structure resembling an Object array indexed by long values.
SparseArray.ObjectNode	Node mapping long key to Object value.
StringTable	Like a hash table, but built specifically for strings.
SubList	Implements a list which is based on another list, represents a sub-list of the underlying list.
SubSet	Implements a set which is based on another set, which is assumed to be immutable.
TaskDaemon	A Daemon thread handler that asynchronously executes Runnable tasks, either at a scheduled time or "as soon as possible".
ThreadGate	Use this class in cases that large numbers of threads can operate concurrently with an additional requirement that all threads be blocked for certain operations.
ThreadGate.ThreadLocalCounter	Specialization of ThreadLocalObject that can be used for efficient thread local long counters.
ThreadGateLite	ThreadGateLite is a Gate implementation built around the ReentrantReadWriteLock.
ThreadLocalObject	This class provides an implementation of thread local storage.
Tree	A thread-safe balanced binary search tree.
UID	A UID is a 128-bit identifier that is almost guaranteed to be unique.
UnsafeSubSet	The UnsafeSubSet is a SubSet which assumes that the backing set already contains all of the keys that would be retained or removed.
UnsafeSubSet.WrapperSet	The WrapperSet wraps a Set to provide a hook for initialization.
UUID	A UUID is a 256-bit identifier that, if it is generated, is statistically guaranteed to be unique.
WrapperCollections	A collection of abstract Collection implementation classes for wrapping Collection types.
WrapperCollections.AbstractWrapperCollection	Collection implementation which delegates all calls to another Collection.
WrapperCollections.AbstractWrapperEntry	Map.Entry implementation which delegates all calls to another Map.Entry.
WrapperCollections.AbstractWrapperIterator	Iterator implementation which delegates all calls to another Iterator.
WrapperCollections.AbstractWrapperList	List implementation which delegates all calls to another List.
WrapperCollections.AbstractWrapperMap	Map implementation which delegates all calls to another Map.
WrapperCollections.AbstractWrapperSet	Set implementation which delegates all calls to another Set.
WrapperCollections.AbstractWrapperSortedSet	SortedSet implementation which delegates all calls to another SortedSet.
WrapperCollections.ConcurrentWrapperCollection	Collection implementation which uses a ReadWriteLock to manage concurrent access to an underlying Collection.
WrapperCollections.ConcurrentWrapperEntry	Map Entry implementation which uses a ReadWriteLock to manage concurrent access to an underlying Map Entry.
WrapperCollections.ConcurrentWrapperEntrySet	Map Entry Set implementation which uses a ReadWriteLock to manage concurrent access to the underlying Entry objects.
WrapperCollections.ConcurrentWrapperMap	Map implementation which uses a ReadWriteLock to manage concurrent access to an underlying Map.
WrapperCollections.ConcurrentWrapperSet	Set implementation which uses a ReadWriteLock to manage concurrent access to an underlying Set.
WrapperConcurrentMap	A simple implementation of ConcurrentMap interface built as a wrapper around any Map implementation.
WrapperConcurrentMap.Lock	A lock object.
WrapperObservableMap	A simple implementation of ObservableMap interface built as a wrapper around any Map implementation.
WrapperReentrantGate	A Gate implementation that allows for 2^31 reentrant calls by a single thread.

Exception Summary

AssertionException	An AssertionException is thrown when an assertion fails.
FilterBuildingException	FilterBuildingException is the RuntimeException thrown by the QueryHelper when building a Filter.
WrapperException	A WrapperException wraps a Throwable object as a RuntimeException.

Package com.tangosol.util Description

Contains various generic utilities.

Skip navigation links