org.gcube.data.analysis.tabulardata.expression.composite

Class UnaryExpression

java.lang.Object

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

org.gcube.data.analysis.tabulardata.expression.composite.CompositeExpression

org.gcube.data.analysis.tabulardata.expression.composite.UnaryExpression

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

Avg, Cast, Count, IsNotNull, IsNull, Length, Lower, Max, MD5, Min, Not, Soundex, ST_Extent, Sum, Trim, Upper

public abstract class UnaryExpression
extends CompositeExpression

See Also:

Serialized Form

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	UnaryExpression()
protected	UnaryExpression(Expression argument)

Method Summary

Methods

Modifier and Type	Method and Description
List<Class<? extends DataType>>	allowedDataTypes()
boolean	equals(Object obj)
Expression	getArgument()
List<Expression>	getLeavesByType(Class<? extends LeafExpression> type)
int	hashCode()
void	setArgument(Expression argument)
String	toString()
void	validate() Validates correctness of the Expression

Methods inherited from class org.gcube.data.analysis.tabulardata.expression.composite.CompositeExpression

getOperator

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

clone, getAppliableOperators, getExpressionsByCategory, getReturnedDataType

Methods inherited from class java.lang.Object

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

Constructor Detail

UnaryExpression

protected UnaryExpression()

UnaryExpression

protected UnaryExpression(Expression argument)

Method Detail

getArgument

public Expression getArgument()

setArgument

public void setArgument(Expression argument)

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

validate

public void validate()
              throws MalformedExpressionException

Description copied from class: Expression

Validates correctness of the Expression

Specified by:

validate in class Expression

Throws:

MalformedExpressionException

allowedDataTypes

public List<Class<? extends DataType>> allowedDataTypes()

getLeavesByType

public List<Expression> getLeavesByType(Class<? extends LeafExpression> type)

Specified by:

getLeavesByType in class Expression