cc.redberry.core.indexgenerator

Class IndexGeneratorImpl

java.lang.Object

cc.redberry.core.indexgenerator.IndexGeneratorImpl

All Implemented Interfaces:

IndexGenerator

public final class IndexGeneratorImpl
extends java.lang.Object
implements IndexGenerator

Generates distinct indices of particular types, which does not contain in specified sets of indices (engaged data).

Since:

1.0

Constructor Summary

Constructors

Constructor and Description
IndexGeneratorImpl() Creates with generator without engaged data.
IndexGeneratorImpl(Indices indices) Creates with generator with specified engaged data.
IndexGeneratorImpl(int[] indices) Creates with generator with specified engaged data.

Method Summary

Modifier and Type	Method and Description
IndexGeneratorImpl	clone()
boolean	contains(int index) Returns true if index contains in engaged data or already was generated.
int	generate(byte type) Generates new index of a particular type.
int	generate(IndexType type) Generates new index of a particular type.
void	mergeFrom(IndexGeneratorImpl other) Merges from specified generator.

Methods inherited from class java.lang.Object

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

Constructor Detail

IndexGeneratorImpl

public IndexGeneratorImpl()

Creates with generator without engaged data.

IndexGeneratorImpl

public IndexGeneratorImpl(Indices indices)

Creates with generator with specified engaged data.

Parameters:

indices - forbidden indices

IndexGeneratorImpl

public IndexGeneratorImpl(int[] indices)

Creates with generator with specified engaged data.

Parameters:

indices - forbidden indices

Method Detail

contains

public boolean contains(int index)

Returns true if index contains in engaged data or already was generated.

Parameters:

index - index

Returns:

true if index contains in engaged data or already was generated

mergeFrom

public void mergeFrom(IndexGeneratorImpl other)

Merges from specified generator.

Parameters:

other - index generator

generate

public int generate(IndexType type)

Generates new index of a particular type.

Parameters:

type - index type

Returns:

new index of a particular type

generate

public int generate(byte type)

Generates new index of a particular type.

Specified by:

generate in interface IndexGenerator

Parameters:

type - index type

Returns:

new index of a particular type

clone

public IndexGeneratorImpl clone()

Overrides:

clone in class java.lang.Object