org.jpc.engine.embedded.database

Class IndexDescriptor

java.lang.Object

org.jpc.engine.embedded.database.IndexDescriptor

public class IndexDescriptor
extends Object

An index descriptor is modelled by an index function and a list of next Index Descriptors.

Author:

sergioc

Constructor Summary

Constructors

Constructor and Description
IndexDescriptor(com.google.common.base.Function<Term,?> indexFunction)
IndexDescriptor(com.google.common.base.Function<Term,?> indexFunction, com.google.common.base.Function<Term,List<IndexDescriptor>> nextIndexDescriptorsFunction)
IndexDescriptor(UpdatableIndexFunction<Term,?> indexFunction)
IndexDescriptor(UpdatableIndexFunction<Term,?> indexFunction, com.google.common.base.Function<Term,List<IndexDescriptor>> nextIndexDescriptorsFunction)

Method Summary

Modifier and Type	Method and Description
static IndexDescriptor	forArgument(int argPos)
static IndexDescriptor	forArgumentFunctor(int argPos)
static IndexDescriptor	forFunctions(List<com.google.common.base.Function<Term,Object>> indexFunctions)
static IndexDescriptor	forIndexedArgument(int argPos, MutableIndexManager indexManager)
UpdatableIndexFunction<Term,?>	getIndexFunction()
com.google.common.base.Function<Term,List<IndexDescriptor>>	getNextIndexDescriptorsFunction()

Methods inherited from class java.lang.Object

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

Constructor Detail

IndexDescriptor

public IndexDescriptor(com.google.common.base.Function<Term,?> indexFunction)

IndexDescriptor

public IndexDescriptor(UpdatableIndexFunction<Term,?> indexFunction)

IndexDescriptor

public IndexDescriptor(com.google.common.base.Function<Term,?> indexFunction,
                       com.google.common.base.Function<Term,List<IndexDescriptor>> nextIndexDescriptorsFunction)

IndexDescriptor

public IndexDescriptor(UpdatableIndexFunction<Term,?> indexFunction,
                       com.google.common.base.Function<Term,List<IndexDescriptor>> nextIndexDescriptorsFunction)

Method Detail

forArgumentFunctor

public static IndexDescriptor forArgumentFunctor(int argPos)

Parameters:

argPos - the term argument position.

indexManager - an index manager.

Returns:

an IndexDescriptor based on the functor of a term argument in the given position.

forIndexedArgument

public static IndexDescriptor forIndexedArgument(int argPos,
                                                 MutableIndexManager indexManager)

Parameters:

argPos - the term argument position.

indexManager - an index manager.

Returns:

an IndexDescriptor based on the defined index of a term argument in the given position.

forArgument

public static IndexDescriptor forArgument(int argPos)

Parameters:

argPos - the term argument position.

Returns:

an IndexDescriptor based on the term argument in the given position.

forFunctions

public static IndexDescriptor forFunctions(List<com.google.common.base.Function<Term,Object>> indexFunctions)

getIndexFunction

public UpdatableIndexFunction<Term,?> getIndexFunction()

getNextIndexDescriptorsFunction

public com.google.common.base.Function<Term,List<IndexDescriptor>> getNextIndexDescriptorsFunction()