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

Class SubstringByIndex

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.text.SubstringByIndex

All Implemented Interfaces:

Serializable, TextExpression, ExpressionCategory

public class SubstringByIndex
extends CompositeExpression
implements TextExpression

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
SubstringByIndex(Expression sourceString, Expression fromIndex, Expression toIndex)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object obj)
Expression	getFromIndex()
List<Expression>	getLeavesByType(Class<? extends LeafExpression> type)
Operator	getOperator()
DataType	getReturnedDataType() Validates the returned data type of the Expression.
Expression	getSourceString()
Expression	getToIndex()
int	hashCode()
void	setFromIndex(Expression fromIndex)
void	setSourceString(Expression sourceString)
void	setToIndex(Expression toIndex)
String	toString()
void	validate() Validates correctness of the Expression

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

clone, getAppliableOperators, getExpressionsByCategory

Methods inherited from class java.lang.Object

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

Constructor Detail

SubstringByIndex

public SubstringByIndex(Expression sourceString,
                Expression fromIndex,
                Expression toIndex)

Method Detail

getOperator

public Operator getOperator()

Specified by:

getOperator in class CompositeExpression

validate

public void validate()
              throws MalformedExpressionException

Description copied from class: Expression

Validates correctness of the Expression

Specified by:

validate in class Expression

Throws:

MalformedExpressionException

getReturnedDataType

public DataType getReturnedDataType()
                             throws NotEvaluableDataTypeException

Description copied from class: Expression

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

Specified by:

getReturnedDataType in class Expression

Returns:

Throws:

NotEvaluableDataTypeException

getLeavesByType

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

Specified by:

getLeavesByType in class Expression

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

getSourceString

public Expression getSourceString()

Returns:

the sourceString

setSourceString

public void setSourceString(Expression sourceString)

Parameters:

sourceString - the sourceString to set

getFromIndex

public Expression getFromIndex()

Returns:

the fromIndex

setFromIndex

public void setFromIndex(Expression fromIndex)

Parameters:

fromIndex - the fromIndex to set

getToIndex

public Expression getToIndex()

Returns:

the toIndex

setToIndex

public void setToIndex(Expression toIndex)

Parameters:

toIndex - the toIndex to set