public abstract class UnaryTupleOperator extends QueryModelNodeBase implements TupleExpr
Modifier and Type | Field and Description |
---|---|
protected TupleExpr |
arg
The operator's argument.
|
Constructor and Description |
---|
UnaryTupleOperator() |
UnaryTupleOperator(TupleExpr arg)
Creates a new unary tuple operator.
|
Modifier and Type | Method and Description |
---|---|
UnaryTupleOperator |
clone()
Returns a (deep) clone of this query model node.
|
boolean |
equals(Object other)
Returns true if this query model node and its children are
recursively equal to o and its children.
|
TupleExpr |
getArg()
Gets the argument of this unary tuple operator.
|
Set<String> |
getAssuredBindingNames()
Gets the names of the bindings that are guaranteed to be present in the
results produced by this tuple expression.
|
Set<String> |
getBindingNames()
Gets the names of the bindings that are, or can be, returned by this tuple
expression when it is evaluated.
|
int |
hashCode() |
void |
replaceChildNode(QueryModelNode current,
QueryModelNode replacement)
Default implementation of
QueryModelNode.replaceChildNode(QueryModelNode, QueryModelNode)
that throws an IllegalArgumentException indicating that
current is not a child node of this node. |
void |
setArg(TupleExpr arg)
Sets the argument of this unary tuple operator.
|
<X extends Exception> |
visitChildren(QueryModelVisitor<X> visitor)
Dummy implementation of
QueryModelNode.visitChildren(org.openrdf.query.algebra.QueryModelVisitor<X>) that does
nothing. |
getParentNode, getSignature, nullEquals, replaceNodeInList, replaceWith, setParentNode, toString
finalize, getClass, notify, notifyAll, wait, wait, wait
getParentNode, getSignature, replaceWith, setParentNode, toString, visit
protected TupleExpr arg
public UnaryTupleOperator()
public UnaryTupleOperator(TupleExpr arg)
arg
- The operator's argument, must not be null.public TupleExpr getArg()
public void setArg(TupleExpr arg)
arg
- The (new) argument for this operator, must not be null.public Set<String> getBindingNames()
TupleExpr
getBindingNames
in interface TupleExpr
public Set<String> getAssuredBindingNames()
TupleExpr
getAssuredBindingNames
in interface TupleExpr
public <X extends Exception> void visitChildren(QueryModelVisitor<X> visitor) throws X extends Exception
QueryModelNodeBase
QueryModelNode.visitChildren(org.openrdf.query.algebra.QueryModelVisitor<X>)
that does
nothing. Subclasses should override this method when they have child
nodes.visitChildren
in interface QueryModelNode
visitChildren
in class QueryModelNodeBase
X extends Exception
public void replaceChildNode(QueryModelNode current, QueryModelNode replacement)
QueryModelNodeBase
QueryModelNode.replaceChildNode(QueryModelNode, QueryModelNode)
that throws an IllegalArgumentException
indicating that
current is not a child node of this node.replaceChildNode
in interface QueryModelNode
replaceChildNode
in class QueryModelNodeBase
current
- The current child node.replacement
- The new child node.public boolean equals(Object other)
QueryModelNode
equals
in interface QueryModelNode
equals
in class Object
public UnaryTupleOperator clone()
QueryModelNode
clone
in interface QueryModelNode
clone
in interface TupleExpr
clone
in class QueryModelNodeBase
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