Package org.apache.cassandra.index.sai.memory

Class RAMStringIndexer

java.lang.Object

org.apache.cassandra.index.sai.memory.RAMStringIndexer

@NotThreadSafe
public class RAMStringIndexer
extends java.lang.Object

Indexes strings into an on-heap inverted index to be flushed to an on-disk index later. The flushing process uses the TermsIterator interface to iterate over the indexed terms.

Constructor Summary

Constructors

Constructor	Description
RAMStringIndexer()

Method Summary

Modifier and Type	Method	Description
long	add(org.apache.lucene.util.BytesRef term, int segmentRowId)
long	estimatedBytesUsed()
TermsIterator	getTermsWithPostings()	EXPENSIVE OPERATION due to sorting the terms, only call once.
boolean	isEmpty()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RAMStringIndexer

public RAMStringIndexer()

Method Detail

estimatedBytesUsed

public long estimatedBytesUsed()

isEmpty

public boolean isEmpty()

getTermsWithPostings

public TermsIterator getTermsWithPostings()

EXPENSIVE OPERATION due to sorting the terms, only call once.

add

public long add(org.apache.lucene.util.BytesRef term,
                int segmentRowId)