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 Object
implements QueryMaker

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

Field Summary

protected Config	config
protected int	qnum
protected Query[]	queries

Constructor Summary

AbstractQueryMaker()

Method Summary

Query	makeQuery() Create the next query
Query	makeQuery(int size) Create the next query, of the given size.
protected int	nextQnum()
protected abstract Query[]	prepareQueries()
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 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 Query[] prepareQueries()
                                   throws Exception

Throws:

Exception

setConfig

public void setConfig(Config config)
               throws Exception

Description copied from interface: QueryMaker

Set the properties

Specified by:

setConfig in interface QueryMaker

Throws:

Exception

printQueries

public String printQueries()

Description copied from interface: QueryMaker

Print the queries

Specified by:

printQueries in interface QueryMaker

makeQuery

public Query makeQuery()
                throws Exception

Description copied from interface: QueryMaker

Create the next query

Specified by:

makeQuery in interface QueryMaker

Throws:

Exception

nextQnum

protected int nextQnum()

makeQuery

public Query makeQuery(int size)
                throws 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:

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