VolcanoCost.Factory (Apache Calcite API)

java.lang.Object
- org.apache.calcite.plan.volcano.VolcanoCost.Factory

All Implemented Interfaces:

RelOptCostFactory

Enclosing class:

VolcanoCost
```
private static class VolcanoCost.Factory
extends java.lang.Object
implements RelOptCostFactory
```
Implementation of RelOptCostFactory that creates VolcanoCosts.

Constructor Summary

Constructors
Modifier Constructor Description

private Factory()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`RelOptCost`	`makeCost(double dRows, double dCpu, double dIo)`	Creates a cost object.
`RelOptCost`	`makeHugeCost()`	Creates a cost object representing an enormous non-infinite cost.
`RelOptCost`	`makeInfiniteCost()`	Creates a cost object representing infinite cost.
`RelOptCost`	`makeTinyCost()`	Creates a cost object representing a small positive cost.
`RelOptCost`	`makeZeroCost()`	Creates a cost object representing zero cost.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Factory
```
private Factory()
```
- Method Detail
  - makeCost
```
public RelOptCost makeCost(double dRows,
                           double dCpu,
                           double dIo)
```
    Description copied from interface: RelOptCostFactory
    
    Creates a cost object.
    
    Specified by:
    
    makeCost in interface RelOptCostFactory
  - makeHugeCost
```
public RelOptCost makeHugeCost()
```
    Description copied from interface: RelOptCostFactory
    
    Creates a cost object representing an enormous non-infinite cost.
    
    Specified by:
    
    makeHugeCost in interface RelOptCostFactory
  - makeInfiniteCost
```
public RelOptCost makeInfiniteCost()
```
    Description copied from interface: RelOptCostFactory
    
    Creates a cost object representing infinite cost.
    
    Specified by:
    
    makeInfiniteCost in interface RelOptCostFactory
  - makeTinyCost
```
public RelOptCost makeTinyCost()
```
    Description copied from interface: RelOptCostFactory
    
    Creates a cost object representing a small positive cost.
    
    Specified by:
    
    makeTinyCost in interface RelOptCostFactory
  - makeZeroCost
```
public RelOptCost makeZeroCost()
```
    Description copied from interface: RelOptCostFactory
    
    Creates a cost object representing zero cost.
    
    Specified by:
    
    makeZeroCost in interface RelOptCostFactory