Package | Description |
---|---|
org.apache.lucene.util |
Some utility classes.
|
org.apache.lucene.util.automaton |
Finite-state automaton for regular expressions.
|
org.apache.lucene.util.fst |
Finite state transducers
|
Modifier and Type | Method and Description |
---|---|
IntsRef |
IntsRef.clone()
Returns a shallow clone of this instance (the underlying ints are
not copied and will be shared by both the returned object and this
object.
|
static IntsRef |
IntsRef.deepCopyOf(IntsRef other)
Creates a new IntsRef that points to a copy of the ints from
other |
Modifier and Type | Method and Description |
---|---|
int |
IntsRef.compareTo(IntsRef other)
Signed int order comparison
|
void |
IntsRef.copyInts(IntsRef other) |
static IntsRef |
IntsRef.deepCopyOf(IntsRef other)
Creates a new IntsRef that points to a copy of the ints from
other |
boolean |
IntsRef.intsEquals(IntsRef other) |
static void |
UnicodeUtil.UTF8toUTF32(BytesRef utf8,
IntsRef utf32)
This method assumes valid UTF8 input.
|
Modifier and Type | Method and Description |
---|---|
static Set<IntsRef> |
SpecialOperations.getFiniteStrings(Automaton a,
int limit)
Returns the set of accepted strings, assuming that at most
limit strings are accepted. |
Modifier and Type | Field and Description |
---|---|
IntsRef |
Util.FSTPath.input |
IntsRef |
Util.Result.input |
IntsRef |
IntsRefFSTEnum.InputOutput.input |
Modifier and Type | Method and Description |
---|---|
IntsRef |
IntSequenceOutputs.add(IntsRef prefix,
IntsRef output) |
IntsRef |
IntSequenceOutputs.common(IntsRef output1,
IntsRef output2) |
static IntsRef |
Util.getByOutput(FST<Long> fst,
long targetOutput)
Reverse lookup (lookup by output instead of by input),
in the special case when your FSTs outputs are
strictly ascending.
|
static IntsRef |
Util.getByOutput(FST<Long> fst,
long targetOutput,
FST.BytesReader in,
FST.Arc<Long> arc,
FST.Arc<Long> scratchArc,
IntsRef result)
Expert: like
Util.getByOutput(FST, long) except reusing
BytesReader, initial and scratch Arc, and result. |
IntsRef |
IntSequenceOutputs.getNoOutput() |
IntsRef |
IntSequenceOutputs.read(DataInput in) |
IntsRef |
IntSequenceOutputs.subtract(IntsRef output,
IntsRef inc) |
static IntsRef |
Util.toIntsRef(BytesRef input,
IntsRef scratch)
Just takes unsigned byte values from the BytesRef and
converts into an IntsRef.
|
static IntsRef |
Util.toUTF16(CharSequence s,
IntsRef scratch)
Just maps each UTF16 unit (char) to the ints in an
IntsRef.
|
static IntsRef |
Util.toUTF32(char[] s,
int offset,
int length,
IntsRef scratch)
Decodes the Unicode codepoints from the provided
char[] and places them in the provided scratch
IntsRef, which must not be null, returning it.
|
static IntsRef |
Util.toUTF32(CharSequence s,
IntsRef scratch)
Decodes the Unicode codepoints from the provided
CharSequence and places them in the provided scratch
IntsRef, which must not be null, returning it.
|
Modifier and Type | Method and Description |
---|---|
protected boolean |
Util.TopNSearcher.acceptResult(IntsRef input,
T output) |
IntsRef |
IntSequenceOutputs.add(IntsRef prefix,
IntsRef output) |
void |
Builder.add(IntsRef input,
T output)
It's OK to add the same input twice in a row with
different outputs, as long as outputs impls the merge
method.
|
void |
Util.TopNSearcher.addStartPaths(FST.Arc<T> node,
T startOutput,
boolean allowEmptyString,
IntsRef input)
Adds all leaving arcs, including 'finished' arc, if
the node is final, from this node into the queue.
|
IntsRef |
IntSequenceOutputs.common(IntsRef output1,
IntsRef output2) |
abstract void |
Builder.FreezeTail.freeze(Builder.UnCompiledNode<T>[] frontier,
int prefixLenPlus1,
IntsRef prevInput) |
static <T> T |
Util.get(FST<T> fst,
IntsRef input)
Looks up the output for this input, or null if the
input is not accepted.
|
static IntsRef |
Util.getByOutput(FST<Long> fst,
long targetOutput,
FST.BytesReader in,
FST.Arc<Long> arc,
FST.Arc<Long> scratchArc,
IntsRef result)
Expert: like
Util.getByOutput(FST, long) except reusing
BytesReader, initial and scratch Arc, and result. |
String |
IntSequenceOutputs.outputToString(IntsRef output) |
IntsRefFSTEnum.InputOutput<T> |
IntsRefFSTEnum.seekCeil(IntsRef target)
Seeks to smallest term that's >= target.
|
IntsRefFSTEnum.InputOutput<T> |
IntsRefFSTEnum.seekExact(IntsRef target)
Seeks to exactly this term, returning null if the term
doesn't exist.
|
IntsRefFSTEnum.InputOutput<T> |
IntsRefFSTEnum.seekFloor(IntsRef target)
Seeks to biggest term that's <= target.
|
IntsRef |
IntSequenceOutputs.subtract(IntsRef output,
IntsRef inc) |
static BytesRef |
Util.toBytesRef(IntsRef input,
BytesRef scratch)
Just converts IntsRef to BytesRef; you must ensure the
int values fit into a byte.
|
static IntsRef |
Util.toIntsRef(BytesRef input,
IntsRef scratch)
Just takes unsigned byte values from the BytesRef and
converts into an IntsRef.
|
static IntsRef |
Util.toUTF16(CharSequence s,
IntsRef scratch)
Just maps each UTF16 unit (char) to the ints in an
IntsRef.
|
static IntsRef |
Util.toUTF32(char[] s,
int offset,
int length,
IntsRef scratch)
Decodes the Unicode codepoints from the provided
char[] and places them in the provided scratch
IntsRef, which must not be null, returning it.
|
static IntsRef |
Util.toUTF32(CharSequence s,
IntsRef scratch)
Decodes the Unicode codepoints from the provided
CharSequence and places them in the provided scratch
IntsRef, which must not be null, returning it.
|
void |
IntSequenceOutputs.write(IntsRef prefix,
DataOutput out) |
Constructor and Description |
---|
Util.FSTPath(T cost,
FST.Arc<T> arc,
IntsRef input)
Sole constructor
|
Util.Result(IntsRef input,
T output) |
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