public class Projection extends AlgebraicOperator
Constructor and Description |
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Projection()
Default constructor.
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Projection(java.util.List<Variable> projectionList)
Constructs a new projection.
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Modifier and Type | Method and Description |
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java.util.List<Variable> |
getProjectionList()
Retrieves all projection variables.
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java.lang.Iterable<Variable> |
projections()
Retrieves this projection's projection list.
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java.lang.String |
toString()
A textual representation of this projection.
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public Projection()
public Projection(java.util.List<Variable> projectionList)
projectionList
- the projection list of this projection.public java.lang.Iterable<Variable> projections()
public java.util.List<Variable> getProjectionList()
public java.lang.String toString()
toString
in class java.lang.Object