public class QueryExpression extends GroupExpression
SearchTupleSet. The data group name is provided
by a String-valued sub-expression.m_group| Constructor and Description |
|---|
QueryExpression()
Create a new QueryExpression.
|
QueryExpression(java.lang.String group)
Create a new QueryExpression.
|
| Modifier and Type | Method and Description |
|---|---|
java.lang.Object |
get(Tuple t)
By default, throws an UnsupportedOperationException.
|
java.lang.String |
getName()
Get the name of this function.
|
java.lang.Class |
getType(Schema s)
Returns the type that this expression evaluates to when tuples
with the given Schema are provided as input.
|
addParameter, getGroup, getParameterCount, toStringaddChildListeners, addExpressionListener, expressionChanged, fireExpressionChange, getBoolean, getDouble, getFloat, getInt, getLong, hasListeners, removeChildListeners, removeExpressionListener, visitclone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, waitaddExpressionListener, getBoolean, getDouble, getFloat, getInt, getLong, removeExpressionListener, visitpublic QueryExpression()
public QueryExpression(java.lang.String group)
group - @param group the data group name to use as a parameterpublic java.lang.String getName()
FunctionFunction.getName()public java.lang.Class getType(Schema s)
ExpressionExpression.getType(prefuse.data.Schema)public java.lang.Object get(Tuple t)
AbstractExpressionget in interface Expressionget in class AbstractExpressiont - the input TupleExpression.get(prefuse.data.Tuple)