public class FSTTermsReader extends FieldsProducer
Modifier and Type | Class and Description |
---|---|
(package private) class |
FSTTermsReader.TermsReader |
Modifier and Type | Field and Description |
---|---|
private static long |
BASE_RAM_BYTES_USED |
(package private) java.util.TreeMap<java.lang.String,FSTTermsReader.TermsReader> |
fields |
(package private) PostingsReaderBase |
postingsReader |
EMPTY_ARRAY
Constructor and Description |
---|
FSTTermsReader(SegmentReadState state,
PostingsReaderBase postingsReader) |
Modifier and Type | Method and Description |
---|---|
private void |
checkFieldSummary(SegmentInfo info,
IndexInput in,
FSTTermsReader.TermsReader field,
FSTTermsReader.TermsReader previous) |
void |
checkIntegrity()
Checks consistency of this reader.
|
void |
close() |
java.util.Collection<Accountable> |
getChildResources()
Returns nested resources of this class.
|
java.util.Iterator<java.lang.String> |
iterator()
Returns an iterator that will step through all fields
names.
|
long |
ramBytesUsed()
Return the memory usage of this object in bytes.
|
private void |
seekDir(IndexInput in) |
int |
size()
Returns the number of fields or -1 if the number of
distinct field names is unknown.
|
Terms |
terms(java.lang.String field)
Get the
Terms for this field. |
java.lang.String |
toString() |
(package private) static <T> void |
walk(FST<T> fst) |
getMergeInstance
final java.util.TreeMap<java.lang.String,FSTTermsReader.TermsReader> fields
final PostingsReaderBase postingsReader
private static final long BASE_RAM_BYTES_USED
public FSTTermsReader(SegmentReadState state, PostingsReaderBase postingsReader) throws java.io.IOException
java.io.IOException
private void seekDir(IndexInput in) throws java.io.IOException
java.io.IOException
private void checkFieldSummary(SegmentInfo info, IndexInput in, FSTTermsReader.TermsReader field, FSTTermsReader.TermsReader previous) throws java.io.IOException
java.io.IOException
public java.util.Iterator<java.lang.String> iterator()
Fields
public Terms terms(java.lang.String field) throws java.io.IOException
Fields
Terms
for this field. This will return
null if the field does not exist.public int size()
Fields
Fields.iterator()
will return as many field names.public void close() throws java.io.IOException
close
in interface java.io.Closeable
close
in interface java.lang.AutoCloseable
close
in class FieldsProducer
java.io.IOException
static <T> void walk(FST<T> fst) throws java.io.IOException
java.io.IOException
public long ramBytesUsed()
Accountable
public java.util.Collection<Accountable> getChildResources()
Accountable
Accountables
public java.lang.String toString()
toString
in class java.lang.Object
public void checkIntegrity() throws java.io.IOException
FieldsProducer
Note that this may be costly in terms of I/O, e.g. may involve computing a checksum value against large data files.
checkIntegrity
in class FieldsProducer
java.io.IOException