Uses of Package
org.apache.lucene.util

Packages that use org.apache.lucene.util
org.apache.lucene.analysis API and code to convert text into indexable/searchable tokens. 
org.apache.lucene.analysis.standard Standards-based analyzers implemented with JFlex. 
org.apache.lucene.analysis.tokenattributes Useful Attributes for text analysis. 
org.apache.lucene.collation CollationKeyFilter converts each token into its binary CollationKey using the provided Collator, and then encode the CollationKey as a String using IndexableBinaryStringTools, to allow it to be stored as an index term. 
org.apache.lucene.index Code to maintain and access indices. 
org.apache.lucene.queryParser A simple query parser implemented with JavaCC. 
org.apache.lucene.search Code to search indices. 
org.apache.lucene.util Some utility classes. 
org.apache.lucene.util.fst Finite state transducers 
 

Classes in org.apache.lucene.util used by org.apache.lucene.analysis
Attribute
          Base interface for attributes.
AttributeImpl
          Base class for Attributes that can be added to a AttributeSource.
AttributeReflector
          This interface is used to reflect contents of AttributeSource or AttributeImpl.
AttributeSource
          An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.
AttributeSource.AttributeFactory
          An AttributeFactory creates instances of AttributeImpls.
Version
          Use by certain classes to match version compatibility across releases of Lucene.
 

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.standard
AttributeSource
          An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.
AttributeSource.AttributeFactory
          An AttributeFactory creates instances of AttributeImpls.
Version
          Use by certain classes to match version compatibility across releases of Lucene.
 

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.tokenattributes
Attribute
          Base interface for attributes.
AttributeImpl
          Base class for Attributes that can be added to a AttributeSource.
AttributeReflector
          This interface is used to reflect contents of AttributeSource or AttributeImpl.
 

Classes in org.apache.lucene.util used by org.apache.lucene.collation
AttributeSource
          An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.
 

Classes in org.apache.lucene.util used by org.apache.lucene.index
AttributeSource
          An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.
BitVector
          Optimized implementation of a vector of bits.
SetOnce
          A convenient class which offers a semi-immutable object wrapper implementation which allows one to set the value of an object exactly once, and retrieve it many times.
TwoPhaseCommit
          An interface for implementations that support 2-phase commit.
Version
          Use by certain classes to match version compatibility across releases of Lucene.
 

Classes in org.apache.lucene.util used by org.apache.lucene.queryParser
Version
          Use by certain classes to match version compatibility across releases of Lucene.
 

Classes in org.apache.lucene.util used by org.apache.lucene.search
Bits
          Interface for Bitset-like structures.
Counter
          Simple counter class
PriorityQueue
          A PriorityQueue maintains a partial ordering of its elements such that the least element can always be found in constant time.
 

Classes in org.apache.lucene.util used by org.apache.lucene.util
Attribute
          Base interface for attributes.
AttributeImpl
          Base class for Attributes that can be added to a AttributeSource.
AttributeReflector
          This interface is used to reflect contents of AttributeSource or AttributeImpl.
AttributeSource
          An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.
AttributeSource.AttributeFactory
          An AttributeFactory creates instances of AttributeImpls.
AttributeSource.State
          This class holds the state of an AttributeSource.
Bits
          Interface for Bitset-like structures.
ByteBlockPool
          Class that Posting and PostingVector use to write byte streams into shared fixed-size byte[] arrays.
ByteBlockPool.Allocator
          Abstract class for allocating and freeing byte blocks.
BytesRef
          Represents byte[], as a slice (offset + length) into an existing byte[].
BytesRefHash.BytesStartArray
          Manages allocation of the per-term addresses.
BytesRefIterator
          A simple iterator interface for BytesRef iteration.
CharacterUtils
          CharacterUtils provides a unified interface to Character-related operations to implement backwards compatible character operations based on a Version instance.
CharacterUtils.CharacterBuffer
          A simple IO buffer to use with CharacterUtils.fill(CharacterBuffer, Reader).
CharsRef
          Represents char[], as a slice (offset + length) into an existing char[].
Counter
          Simple counter class
DoubleBarrelLRUCache.CloneableKey
          Object providing clone(); the key class must subclass this.
DummyConcurrentLock
          A dummy lock as a replacement for ReentrantLock to disable locking
FieldCacheSanityChecker.Insanity
          Simple container for a collection of related CacheEntry objects that in conjunction with each other represent some "insane" usage of the FieldCache.
FieldCacheSanityChecker.InsanityType
          An Enumeration of the different types of "insane" behavior that may be detected in a FieldCache.
FixedBitSet
          BitSet of fixed length (numBits), backed by accessible (FixedBitSet.getBits()) long[], accessed with an int index, implementing Bits and DocIdSet.
IntsRef
          Represents int[], as a slice (offset + length) into an existing int[].
NumericUtils.IntRangeBuilder
          Expert: Callback for NumericUtils.splitIntRange(org.apache.lucene.util.NumericUtils.IntRangeBuilder, int, int, int).
NumericUtils.LongRangeBuilder
          Expert: Callback for NumericUtils.splitLongRange(org.apache.lucene.util.NumericUtils.LongRangeBuilder, int, long, long).
OpenBitSet
          An "open" BitSet implementation that allows direct access to the array of words storing the bits.
PagedBytes
          Represents a logical byte[] as a series of pages.
PagedBytes.PagedBytesDataInput
           
PagedBytes.PagedBytesDataOutput
           
PagedBytes.Reader
          Provides methods to read BytesRefs from a frozen PagedBytes.
RamUsageEstimator.JvmFeature
          JVM diagnostic features.
StringInterner
          Subclasses of StringInterner are required to return the same single String object for all equal strings.
TwoPhaseCommit
          An interface for implementations that support 2-phase commit.
TwoPhaseCommitTool.CommitFailException
          Thrown by TwoPhaseCommitTool.execute(TwoPhaseCommit...) when an object fails to commit().
TwoPhaseCommitTool.PrepareCommitFailException
          Thrown by TwoPhaseCommitTool.execute(TwoPhaseCommit...) when an object fails to prepareCommit().
UnicodeUtil.UTF16Result
          Holds decoded UTF16 code units.
UnicodeUtil.UTF8Result
          Holds decoded UTF8 code units.
Version
          Use by certain classes to match version compatibility across releases of Lucene.
VirtualMethod
          A utility for keeping backwards compatibility on previously abstract methods (or similar replacements).
WeakIdentityMap
          Implements a combination of WeakHashMap and IdentityHashMap.
 

Classes in org.apache.lucene.util used by org.apache.lucene.util.fst
BytesRef
          Represents byte[], as a slice (offset + length) into an existing byte[].
IntsRef
          Represents int[], as a slice (offset + length) into an existing int[].
 



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