com.hammurapi.extract

Class CompiledExtractorBase<T,V,C>

java.lang.Object

com.hammurapi.extract.ExtractorBase<T,V,C>

com.hammurapi.extract.AbstractExtractor<T,V,C>

com.hammurapi.extract.CompiledExtractorBase<T,V,C>

Type Parameters:

T -

V -

C -

All Implemented Interfaces:

Extractor<T,V,C>, Mappable<T,V,C>

public abstract class CompiledExtractorBase<T,V,C>
extends AbstractExtractor<T,V,C>
implements Mappable<T,V,C>

Base class for compiled java extractors/predicates.

Field Summary

Fields

Modifier and Type	Field and Description
protected int[]	map

Fields inherited from class com.hammurapi.extract.ExtractorBase

cost, costUnit, initialCost, invocations, nanos, totalCost

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	CompiledExtractorBase(int[] map, boolean contextDependent, int... parameterIndices)

Method Summary

Methods

Modifier and Type	Method and Description
ComparisonResult	compareTo(Extractor<T,V,C> other) Basic comparisons with True and False.
protected abstract List<Object>	getIdentity()
Extractor<T,V,C>	map(int[] map) Applies mapping to extractor.
protected int	mapArg(int idx) Maps argument indices for invocation.
protected abstract CompiledExtractorBase<T,V,C>	newInstance(int[] map)
Set<Integer>	parameterIndices()

Methods inherited from class com.hammurapi.extract.AbstractExtractor

isContextDependent

Methods inherited from class com.hammurapi.extract.ExtractorBase

createCacheEntry, equals, extract, extractInternal, getCost

Methods inherited from class java.lang.Object

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

Field Detail

map

protected int[] map

Constructor Detail

CompiledExtractorBase

protected CompiledExtractorBase(int[] map,
                     boolean contextDependent,
                     int... parameterIndices)

Method Detail

newInstance

protected abstract CompiledExtractorBase<T,V,C> newInstance(int[] map)

getIdentity

protected abstract List<Object> getIdentity()

mapArg

protected int mapArg(int idx)

Maps argument indices for invocation.

Parameters:

idx -

Returns:

map

public Extractor<T,V,C> map(int[] map)

Description copied from interface: Mappable

Applies mapping to extractor.

Specified by:

map in interface Mappable<T,V,C>

Returns:

Extractor with changed mapping or null if mapping is not possible.

compareTo

public ComparisonResult compareTo(Extractor<T,V,C> other)

Description copied from class: ExtractorBase

Basic comparisons with True and False.

Specified by:

compareTo in interface Extractor<T,V,C>

Overrides:

compareTo in class ExtractorBase<T,V,C>

Parameters:

other - Other extractor

Returns:

Comparison result.

parameterIndices

public Set<Integer> parameterIndices()

Specified by:

parameterIndices in interface Extractor<T,V,C>

Overrides:

parameterIndices in class AbstractExtractor<T,V,C>

Returns:

Indexes of objects which this extractor uses for computations.