Package com.yahoo.search.predicate.index

Class SimpleIndex

java.lang.Object

com.yahoo.search.predicate.index.SimpleIndex

public class SimpleIndex
extends Object

An index mapping keys of type Long to lists of postings of generic data.

Author:

Magnar Nedland, bjorncs

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	SimpleIndex.Builder
static class	SimpleIndex.Entry

Constructor Summary

Constructors

Constructor	Description
SimpleIndex(org.eclipse.collections.api.map.primitive.LongObjectMap<SimpleIndex.Entry> dictionary)

Method Summary

Modifier and Type	Method	Description
static SimpleIndex	fromInputStream(DataInputStream in)
SimpleIndex.Entry	getPostingList(long key)	Retrieves a posting list for a given key
void	writeToOutputStream(DataOutputStream out)

Methods inherited from class java.lang.Object

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

Constructor Details

SimpleIndex

public SimpleIndex(org.eclipse.collections.api.map.primitive.LongObjectMap<SimpleIndex.Entry> dictionary)

Method Details

getPostingList

public SimpleIndex.Entry getPostingList(long key)

Retrieves a posting list for a given key

Parameters:

key - the key to lookup

Returns:

list of postings

writeToOutputStream

public void writeToOutputStream(DataOutputStream out)
                         throws IOException

Throws:

IOException

fromInputStream

public static SimpleIndex fromInputStream(DataInputStream in)
                                   throws IOException

Throws:

IOException