water.rapids.ast.prims.reducers

Class AstRollupOp

java.lang.Object

water.Iced<AstRoot>

water.rapids.ast.AstRoot

water.rapids.ast.AstPrimitive

water.rapids.ast.prims.reducers.AstReducerOp

water.rapids.ast.prims.reducers.AstRollupOp

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, Freezable<AstRoot>

Direct Known Subclasses:

AstMax, AstMin, AstNaRollupOp, AstSum

public abstract class AstRollupOp
extends AstReducerOp

Optimization for the RollupStats: use them directly

See Also:

Serialized Form

Field Summary

Fields inherited from class water.rapids.ast.AstRoot

CONSTS, PRIMS

Constructor Summary

Constructors

Constructor and Description
AstRollupOp()

Method Summary

Methods

Modifier and Type	Method and Description
Val	apply(Env env, Env.StackHelp stk, AstRoot[] asts)
java.lang.String[]	args()
abstract double	rup(Vec vec)

Methods inherited from class water.rapids.ast.prims.reducers.AstReducerOp

nargs, op

Methods inherited from class water.rapids.ast.AstPrimitive

description, example, exec

Methods inherited from class water.rapids.ast.AstRoot

columns, newAstFrame, newAstStr, str, toString

Methods inherited from class water.Iced

asBytes, clone, copyOver, frozenType, read, readExternal, readJSON, reloadFromBytes, toJsonString, write, writeExternal, writeJSON

Methods inherited from class java.lang.Object

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

Constructor Detail

AstRollupOp

public AstRollupOp()

Method Detail

args

public java.lang.String[] args()

Specified by:

args in class AstPrimitive

rup

public abstract double rup(Vec vec)

apply

public Val apply(Env env,
        Env.StackHelp stk,
        AstRoot[] asts)

Overrides:

apply in class AstReducerOp