Class ContextLookup
- java.lang.Object
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- org.pentaho.reporting.libraries.formula.lvalues.AbstractLValue
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- org.pentaho.reporting.libraries.formula.lvalues.ContextLookup
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- All Implemented Interfaces:
Serializable
,Cloneable
,LValue
public class ContextLookup extends AbstractLValue
A reference that queries the datarow.- Author:
- Thomas Morgner
- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description ContextLookup(String name)
ContextLookup(String name, ParsePosition parsePosition)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description TypeValuePair
evaluate()
String
getName()
Type
getValueType()
Querying the value type is only valid *after* the value has been evaluated.boolean
isConstant()
Checks whether the LValue is constant.String
toString()
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Methods inherited from class org.pentaho.reporting.libraries.formula.lvalues.AbstractLValue
clone, getChildValues, getContext, getParsePosition, initialize, setParsePosition
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Constructor Detail
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ContextLookup
public ContextLookup(String name)
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ContextLookup
public ContextLookup(String name, ParsePosition parsePosition)
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Method Detail
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evaluate
public TypeValuePair evaluate() throws EvaluationException
- Throws:
EvaluationException
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getValueType
public Type getValueType()
Description copied from class:AbstractLValue
Querying the value type is only valid *after* the value has been evaluated.- Specified by:
getValueType
in interfaceLValue
- Overrides:
getValueType
in classAbstractLValue
- Returns:
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isConstant
public boolean isConstant()
Checks whether the LValue is constant. Constant lvalues always return the same value.- Returns:
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getName
public String getName()
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