class Extension extends Val
Constructor and Description |
---|
Extension(FilterListener listener,
Val target,
Val arg)
Constructor.
|
Modifier and Type | Method and Description |
---|---|
void |
acceptVisit(ExpressionVisitor visitor)
Accept a visit from a tree visitor.
|
protected Object |
eval(Object candidate,
Object orig,
StoreContext ctx,
Object[] params)
Return this value for the given candidate.
|
Class |
getType()
Return the expected type for this value, or
Object if
the type is unknown. |
void |
setImplicitType(Class type)
Set the implicit type of the value, based on how it is used in the
filter.
|
eval, evaluate, evaluate, getAlias, getMetaData, getName, getPath, getSelectAs, isAggregate, isVariable, isXPath, setAlias, setMetaData
public Extension(FilterListener listener, Val target, Val arg)
public Class getType()
Value
Object
if
the type is unknown.public void setImplicitType(Class type)
Value
Object
from Value.getType()
.protected Object eval(Object candidate, Object orig, StoreContext ctx, Object[] params)
Val
public void acceptVisit(ExpressionVisitor visitor)
Value
acceptVisit
in interface Value
acceptVisit
in class Val
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