org.gcube.data.analysis.tabulardata.expression.leaf

Class TypedColumnReference

java.lang.Object

org.gcube.data.analysis.tabulardata.expression.Expression

org.gcube.data.analysis.tabulardata.expression.leaf.LeafExpression

org.gcube.data.analysis.tabulardata.model.column.ColumnReference

org.gcube.data.analysis.tabulardata.expression.leaf.TypedColumnReference

All Implemented Interfaces:

Serializable

public class TypedColumnReference
extends ColumnReference

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
TypedColumnReference(TableId tableId, ColumnLocalId columnId, DataType dataType)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object obj)
DataType	getDataType()
DataType	getReturnedDataType() Validates the returned data type of the Expression.
int	hashCode()
void	setDataType(DataType dataType)
String	toString()
void	validate() Validates correctness of the Expression

Methods inherited from class org.gcube.data.analysis.tabulardata.model.column.ColumnReference

getColumnId, getTableId, setColumnId, setTableId

Methods inherited from class org.gcube.data.analysis.tabulardata.expression.Expression

clone, getAppliableOperators

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

TypedColumnReference

public TypedColumnReference(TableId tableId,
                    ColumnLocalId columnId,
                    DataType dataType)

Method Detail

getDataType

public DataType getDataType()

Returns:

the dataType

setDataType

public void setDataType(DataType dataType)

Parameters:

dataType - the dataType to set

hashCode

public int hashCode()

Overrides:

hashCode in class ColumnReference

equals

public boolean equals(Object obj)

Overrides:

equals in class ColumnReference

toString

public String toString()

Overrides:

toString in class ColumnReference

getReturnedDataType

public DataType getReturnedDataType()

Description copied from class: Expression

Validates the returned data type of the Expression. Invalid expression may return a wrong datatype

Overrides:

getReturnedDataType in class ColumnReference

Returns:

validate

public void validate()
              throws MalformedExpressionException

Description copied from class: Expression

Validates correctness of the Expression

Overrides:

validate in class ColumnReference

Throws:

MalformedExpressionException