org.apache.lucene.benchmark.byTask.feeds

Class AbstractQueryMaker

java.lang.Object

org.apache.lucene.benchmark.byTask.feeds.AbstractQueryMaker

All Implemented Interfaces:

QueryMaker

Direct Known Subclasses:

EnwikiQueryMaker, FileBasedQueryMaker, ReutersQueryMaker, SimpleQueryMaker

public abstract class AbstractQueryMaker
extends java.lang.Object
implements QueryMaker

Abstract base query maker. Each query maker should just implement the prepareQueries() method.

Field Summary

Fields

Modifier and Type	Field and Description
protected Config	config
protected int	qnum
protected org.apache.lucene.search.Query[]	queries

Constructor Summary

Constructors

Constructor and Description
AbstractQueryMaker()

Method Summary

Modifier and Type	Method and Description
org.apache.lucene.search.Query	makeQuery() Create the next query
org.apache.lucene.search.Query	makeQuery(int size) Create the next query, of the given size.
protected int	nextQnum()
protected abstract org.apache.lucene.search.Query[]	prepareQueries()
java.lang.String	printQueries() Print the queries
void	resetInputs() Reset inputs so that the test run would behave, input wise, as if it just started.
void	setConfig(Config config) Set the properties

Methods inherited from class java.lang.Object

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

Field Detail

qnum

protected int qnum

queries

protected org.apache.lucene.search.Query[] queries

config

protected Config config

Constructor Detail

AbstractQueryMaker

public AbstractQueryMaker()

Method Detail

resetInputs

public void resetInputs()

Description copied from interface: QueryMaker

Reset inputs so that the test run would behave, input wise, as if it just started.

Specified by:

resetInputs in interface QueryMaker

prepareQueries

protected abstract org.apache.lucene.search.Query[] prepareQueries()
                                                            throws java.lang.Exception

Throws:

java.lang.Exception

setConfig

public void setConfig(Config config)
               throws java.lang.Exception

Description copied from interface: QueryMaker

Set the properties

Specified by:

setConfig in interface QueryMaker

Throws:

java.lang.Exception

printQueries

public java.lang.String printQueries()

Description copied from interface: QueryMaker

Print the queries

Specified by:

printQueries in interface QueryMaker

makeQuery

public org.apache.lucene.search.Query makeQuery()
                                         throws java.lang.Exception

Description copied from interface: QueryMaker

Create the next query

Specified by:

makeQuery in interface QueryMaker

Throws:

java.lang.Exception

nextQnum

protected int nextQnum()

makeQuery

public org.apache.lucene.search.Query makeQuery(int size)
                                         throws java.lang.Exception

Description copied from interface: QueryMaker

Create the next query, of the given size.

Specified by:

makeQuery in interface QueryMaker

Parameters:

size - the size of the query - number of terms, etc.

Throws:

java.lang.Exception - if cannot make the query, or if size>0 was specified but this feature is not supported.