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oracle.webcenter.search.refine
Class RefinerBuilder<T>

java.lang.Object
oracle.webcenter.search.refine.RefinerBuilder<T>

Direct Known Subclasses:

DateRefinerBuilder, StringRefinerBuilder

public abstract class RefinerBuilder<T>

extends java.lang.Object

An abstract base class for building Refiners of type T. It is often constructed with a QName that it eventually passes on to the Refiner it builds.

Since:

11.1.1.0.0 Beta 2

Constructor Summary

protected

RefinerBuilder(QName name) Constructs a RefinerBuilder with a qualified name.

Method Summary

void	consumeRow(Row row) Use the stored column name to access the column value and convert it to T and visit that T value.
protected abstract T	convert(java.lang.Object value) Method used by subclasses to convert any Object into an Object of type T.
protected abstract Refiner<T>	createRefiner(QName column, java.util.Map<T,java.lang.Integer> counters) Creates a Refiner with the column name and a map of counters for each entry of type T.
Refiner<T>	getRefiner() Gets the newly created Refiner.
void	visit(T value) Visits a T value that increments the count.
void	visit(T value, int count) Visits a T value and increase by the count

Methods inherited from class java.lang.Object

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

Constructor Detail

RefinerBuilder

protected RefinerBuilder(QName name)

Constructs a RefinerBuilder with a qualified name.

Parameters:

name - the name to associate with the eventual Refiner built

Method Detail

visit

public void visit(T value)

Visits a T value that increments the count.

Parameters:

value - a T value that we are keeping a count of

visit

public void visit(T value,
                  int count)

Visits a T value and increase by the count

Parameters:

value - a T value that we are keeping a count of

count - increase by the count

consumeRow

public void consumeRow(Row row)

Use the stored column name to access the column value and convert it to T and visit that T value.

Parameters:

row - a Row in a QueryResult<Row>

getRefiner

public Refiner<T> getRefiner()

Gets the newly created Refiner.

Returns:

a Refiner of type T

createRefiner

protected abstract Refiner<T> createRefiner(QName column,
                                            java.util.Map<T,java.lang.Integer> counters)

Creates a Refiner with the column name and a map of counters for each entry of type T.

Parameters:

column - a QName signifying the column to navigate over

counters - a Map of counters, one for each T value encountered

convert

protected abstract T convert(java.lang.Object value)

Method used by subclasses to convert any Object into an Object of type T.

Parameters:

value - an arbitrary Object that can be converted to type T

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