Package org.apache.vxquery.runtime.functions.unary

Class AbstractNumericUnaryScalarEvaluatorFactory

java.lang.Object

org.apache.vxquery.runtime.functions.base.AbstractTaggedValueArgumentScalarEvaluatorFactory

org.apache.vxquery.runtime.functions.unary.AbstractNumericUnaryScalarEvaluatorFactory

All Implemented Interfaces:

Serializable, org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory

Direct Known Subclasses:

NumericUnaryMinusScalarEvaluatorFactory, NumericUnaryPlusScalarEvaluatorFactory

public abstract class AbstractNumericUnaryScalarEvaluatorFactory
extends AbstractTaggedValueArgumentScalarEvaluatorFactory

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
AbstractNumericUnaryScalarEvaluatorFactory(org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory[] args)

Method Summary

Modifier and Type	Method	Description
protected AbstractTaggedValueArgumentScalarEvaluator	createEvaluator(org.apache.hyracks.api.context.IHyracksTaskContext ctx, org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator[] args)
protected abstract AbstractNumericUnaryOperation	createNumericUnaryOperation()

Methods inherited from class org.apache.vxquery.runtime.functions.base.AbstractTaggedValueArgumentScalarEvaluatorFactory

createScalarEvaluator

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractNumericUnaryScalarEvaluatorFactory

public AbstractNumericUnaryScalarEvaluatorFactory(org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory[] args)

Method Detail

createEvaluator

protected AbstractTaggedValueArgumentScalarEvaluator createEvaluator(org.apache.hyracks.api.context.IHyracksTaskContext ctx,
                                                                     org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator[] args)
                                                              throws org.apache.hyracks.algebricks.common.exceptions.AlgebricksException

Specified by:

createEvaluator in class AbstractTaggedValueArgumentScalarEvaluatorFactory

Throws:

org.apache.hyracks.algebricks.common.exceptions.AlgebricksException

createNumericUnaryOperation

protected abstract AbstractNumericUnaryOperation createNumericUnaryOperation()