org.apache.lucene.index
Class FilterAtomicReader.FilterFields
java.lang.Object
org.apache.lucene.index.Fields
org.apache.lucene.index.FilterAtomicReader.FilterFields
- Enclosing class:
- FilterAtomicReader
public static class FilterAtomicReader.FilterFields
- extends Fields
Base class for filtering Fields
implementations.
Method Summary |
long |
getUniqueTermCount()
Returns the number of terms for all fields, or -1 if this
measure isn't stored by the codec. |
FieldsEnum |
iterator()
Returns an iterator that will step through all fields
names. |
int |
size()
Returns the number of terms for all fields, or -1 if this
measure isn't stored by the codec. |
Terms |
terms(String field)
Get the Terms for this field. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
in
protected final Fields in
FilterAtomicReader.FilterFields
public FilterAtomicReader.FilterFields(Fields in)
iterator
public FieldsEnum iterator()
throws IOException
- Description copied from class:
Fields
- Returns an iterator that will step through all fields
names. This will not return null.
- Specified by:
iterator
in class Fields
- Throws:
IOException
terms
public Terms terms(String field)
throws IOException
- Description copied from class:
Fields
- Get the
Terms
for this field. This will return
null if the field does not exist.
- Specified by:
terms
in class Fields
- Throws:
IOException
size
public int size()
throws IOException
- Description copied from class:
Fields
- Returns the number of terms for all fields, or -1 if this
measure isn't stored by the codec. Note that, just like
other term measures, this measure does not take deleted
documents into account.
- Specified by:
size
in class Fields
- Throws:
IOException
getUniqueTermCount
public long getUniqueTermCount()
throws IOException
- Description copied from class:
Fields
- Returns the number of terms for all fields, or -1 if this
measure isn't stored by the codec. Note that, just like
other term measures, this measure does not take deleted
documents into account.
- Overrides:
getUniqueTermCount
in class Fields
- Throws:
IOException
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