Package net.sf.tweety.beliefdynamics
Class MultipleBaseContractionOperator<T extends Formula>
- java.lang.Object
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- net.sf.tweety.beliefdynamics.MultipleBaseContractionOperator<T>
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- Type Parameters:
T
- The type of formulas that this operator works on.
- All Implemented Interfaces:
BaseContractionOperator<T>
- Direct Known Subclasses:
KernelContractionOperator
public abstract class MultipleBaseContractionOperator<T extends Formula> extends java.lang.Object implements BaseContractionOperator<T>
This is the interface for a classic multiple belief base contraction operator, ie. an operator that takes some set of formulas and another set of formulas and contracts the former by the latter.- Author:
- Matthias Thimm
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Constructor Summary
Constructors Constructor Description MultipleBaseContractionOperator()
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Method Summary
Modifier and Type Method Description abstract java.util.Collection<T>
contract(java.util.Collection<T> base, java.util.Collection<T> formulas)
Contracts the first collection of formulas by the second collection of formulas.java.util.Collection<T>
contract(java.util.Collection<T> base, T formula)
Contracts the given collection of formulas by the given formula.
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Method Detail
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contract
public java.util.Collection<T> contract(java.util.Collection<T> base, T formula)
Description copied from interface:BaseContractionOperator
Contracts the given collection of formulas by the given formula.- Specified by:
contract
in interfaceBaseContractionOperator<T extends Formula>
- Parameters:
base
- some collection of formulas.formula
- a formula- Returns:
- the contracted collection.
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contract
public abstract java.util.Collection<T> contract(java.util.Collection<T> base, java.util.Collection<T> formulas)
Contracts the first collection of formulas by the second collection of formulas.- Parameters:
base
- some collection of formulas.formulas
- some formulas.- Returns:
- the contracted collection.
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