Package net.hydromatic.morel.eval

Class DescriberImpl

java.lang.Object

net.hydromatic.morel.eval.DescriberImpl

All Implemented Interfaces:

Describer

class DescriberImpl
extends Object
implements Describer

Implementation of Describer.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private class	DescriberImpl.DetailImpl	Implementation of Describer.Detail.

Nested classes/interfaces inherited from interface net.hydromatic.morel.eval.Describer

Describer.Detail

Field Summary

Fields

Modifier and Type	Field	Description
(package private) final StringBuilder	buf
(package private) final Map<String,List<Integer>>	nameIds

Constructor Summary

Constructors

Constructor	Description
DescriberImpl()

Method Summary

Modifier and Type	Method	Description
int	register(String name, int i)	Registers a (name, ordinal) combination, and returns how many occurrences of the same name with a different ordinal have been seen before.
Describer	start(String name, Consumer<Describer.Detail> consumer)
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

buf

final StringBuilder buf

nameIds

final Map<String,List<Integer>> nameIds

Constructor Details

DescriberImpl

DescriberImpl()

Method Details

toString

public String toString()

Overrides:

toString in class Object

start

public Describer start(String name,
 Consumer<Describer.Detail> consumer)

Specified by:

start in interface Describer

register

public int register(String name,
 int i)

Description copied from interface: Describer

Registers a (name, ordinal) combination, and returns how many occurrences of the same name with a different ordinal have been seen before.

For example:

• register("a", 0) returns 0;
• register("b", 3) returns 0;
• register("b", 2) returns 1;
• register("b", 3) returns 0;
• register("a", 42) returns 1.

Specified by:

register in interface Describer

See Also:

• Core.Pat.describe(Describer)