scriptella.driver.lucene
Class LuceneQuery

java.lang.Object
  scriptella.driver.lucene.LuceneQuery

All Implemented Interfaces:

java.io.Closeable, scriptella.spi.ParametersCallback

public class LuceneQuery
extends java.lang.Object
implements scriptella.spi.ParametersCallback, java.io.Closeable

Query for Lucene indexed data.

Version:

1.0

Author:

Kirill Volgin

Constructor Summary

LuceneQuery(java.lang.String indexPath, scriptella.spi.ParametersCallback parametersCallback, scriptella.spi.QueryCallback queryCallback)
Creates a query for Lucene index.

Method Summary

void	close()
void	execute(java.io.Reader queryReader, java.util.Collection<java.lang.String> fields, java.lang.Boolean useMultiFieldParser, java.lang.Boolean useLowercaseExpandedTerms) Executes a query.
java.lang.Object	getParameter(java.lang.String name)

Methods inherited from class java.lang.Object

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

Constructor Detail

LuceneQuery

public LuceneQuery(java.lang.String indexPath,
                   scriptella.spi.ParametersCallback parametersCallback,
                   scriptella.spi.QueryCallback queryCallback)

Creates a query for Lucene index.

Parameters:

indexPath - path to lucene index

parametersCallback - parameters to use.

queryCallback - callback to use for result set iteration.

Method Detail

execute

public void execute(java.io.Reader queryReader,
                    java.util.Collection<java.lang.String> fields,
                    java.lang.Boolean useMultiFieldParser,
                    java.lang.Boolean useLowercaseExpandedTerms)

Executes a query.

Parameters:

queryReader - query content reader. Closed after this method completes.

fields - fields to be searched

useMultiFieldParser - whether MultiFieldQueryParser or QueryParser to be used

useLowercaseExpandedTerms - whether terms of wildcard, prefix, fuzzy and range queries are to be automatically lower-cased or not

getParameter

public java.lang.Object getParameter(java.lang.String name)

Specified by:

getParameter in interface scriptella.spi.ParametersCallback

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Throws:

java.io.IOException