org.openanzo.indexer.lucene
Class LuceneQuery

java.lang.Object
  org.openanzo.indexer.lucene.LuceneQuery

All Implemented Interfaces:

IQuery

Direct Known Subclasses:

ModelIndexQuery

public class LuceneQuery
extends java.lang.Object
implements IQuery

Implementation of IQuery based on Lucene.

Author:

Wing Yung ( wingyung@us.ibm.com )

Constructor Summary

LuceneQuery()

Method Summary

org.apache.lucene.search.Filter	getFilter() Get the underlying Filter object.
org.apache.lucene.search.Query	getQuery() Get the underlying Query object
void	initialize(java.util.Properties properties) Initializes the query with the properties object.
void	initialize(java.lang.String queryStr) Initializes the query based on the queryStr
void	initialize(java.lang.String defaultField, java.lang.String text) Initializes a simple query.

Methods inherited from class java.lang.Object

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

Constructor Detail

LuceneQuery

public LuceneQuery()

Method Detail

initialize

public void initialize(java.util.Properties properties)
                throws IndexerException

Initializes the query with the properties object. The properties object is expected to contain the default field to search (org.openanzo.indexer.lucene.query.field) and the text to search for (org.openanzo.indexer.lucene.query.text).

Specified by:

initialize in interface IQuery

Parameters:

properties - configuration for this query

Throws:

IndexerException

initialize

public void initialize(java.lang.String queryStr)
                throws IndexerException

Initializes the query based on the queryStr

Specified by:

initialize in interface IQuery

Parameters:

queryStr - query string, can use Lucene Query constructs

Throws:

IndexerException

initialize

public void initialize(java.lang.String defaultField,
                       java.lang.String text)
                throws IndexerException

Initializes a simple query. Sets the default field to search, along with the text to search. Note that text may contain other modifiers so that other fields are searched as well.

Specified by:

initialize in interface IQuery

Parameters:

defaultField - default field to search in this query

text - text query to search for, can use Lucene Query constructs

Throws:

IndexerException

getQuery

public org.apache.lucene.search.Query getQuery()

Get the underlying Query object

Returns:

the underlying Query object

getFilter

public org.apache.lucene.search.Filter getFilter()

Get the underlying Filter object.

Returns:

the underlying Filter object.