Package org.apache.lucene.misc.index

Class BinaryDocValueSelector

java.lang.Object

org.apache.lucene.misc.index.BinaryDocValueSelector

All Implemented Interfaces:

Serializable, IndexRearranger.DocumentSelector

public class BinaryDocValueSelector
extends Object
implements IndexRearranger.DocumentSelector, Serializable

Use this selector to rearrange an index where documents can be uniquely identified based on BinaryDocValues

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
BinaryDocValueSelector(String field, Set<BytesRef> keySet)

Method Summary

Modifier and Type	Method	Description
static IndexRearranger.DocumentSelector	createDeleteSelectorFromIndex(String field, Directory directory)	Create a selector for the deletes in an index, which can then be applied to a rearranged index
static List<IndexRearranger.DocumentSelector>	createLiveSelectorsFromIndex(String field, Directory directory)	Create a list of selectors that will reproduce the index geometry when used with IndexRearranger
BitSet	getFilteredDocs(CodecReader reader)

Methods inherited from class java.lang.Object

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

Constructor Details

BinaryDocValueSelector

public BinaryDocValueSelector(String field,
 Set<BytesRef> keySet)

Method Details

getFilteredDocs

public BitSet getFilteredDocs(CodecReader reader)
                       throws IOException

Specified by:

getFilteredDocs in interface IndexRearranger.DocumentSelector

Throws:

IOException

createDeleteSelectorFromIndex

public static IndexRearranger.DocumentSelector createDeleteSelectorFromIndex(String field,
 Directory directory)
                                                                      throws IOException

Create a selector for the deletes in an index, which can then be applied to a rearranged index

Parameters:

field - tells which BinaryDocValues are the unique key

directory - where the original index is present

Returns:

a deletes selector to be passed to IndexRearranger

Throws:

IOException

createLiveSelectorsFromIndex

public static List<IndexRearranger.DocumentSelector> createLiveSelectorsFromIndex(String field,
 Directory directory)
                                                                           throws IOException

Create a list of selectors that will reproduce the index geometry when used with IndexRearranger

Parameters:

field - tells which BinaryDocValues are the unique key

directory - where the original index is present

Returns:

a list of selectors to be passed to IndexRearranger

Throws:

IOException