Package eu.bandm.tools.paisley

Class EnumBranch.Builder<A,E extends Enum<E>>

java.lang.Object

eu.bandm.tools.paisley.EnumBranch.Builder<A,E>

Type Parameters:

A - the target type of objects to match against

E - the enum type to index the branches

Enclosing class:

EnumBranch<A,E extends Enum<E>>

public static class EnumBranch.Builder<A,E extends Enum<E>>
extends Object

Incremental builder.

Constructor Summary

Constructors

Constructor	Description
Builder(E key, Pattern<? super A> subpattern)	Creates a new builder with a single branch.
Builder(Class<E> cls)	Creates a new empty builder.

Method Summary

Modifier and Type	Method	Description
EnumBranch<A,E>	build()	Creates a new pattern with the current content of this builder.
void	clear()	Removes all branches of this builder.
EnumBranch.Builder<A,E>	put(E key, Pattern<? super A> subpattern)	Adds a new branch to this builder.

Methods inherited from class java.lang.Object

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

Constructor Details

Builder

public Builder(Class<E> cls)

Creates a new empty builder.

Parameters:

cls - the enum class to use for keys

Throws:

NullPointerException - if cls is null

Builder

public Builder(E key,
 Pattern<? super A> subpattern)

Creates a new builder with a single branch.

Parameters:

key - the key of the branch

subpattern - the subpattern of the branch

Throws:

NullPointerException - if key or subpattern is null

Method Details

put

public EnumBranch.Builder<A,E> put(E key,
 Pattern<? super A> subpattern)

Adds a new branch to this builder.

This method uses Map.put(K, V) internally; if a branch with the given key already exists, it is overwritten.

Parameters:

key - the key for the new branch

subpattern - the subpattern for the new branch

Returns:

this

Throws:

NullPointerException - if key or subpattern is null

clear

public void clear()

Removes all branches of this builder.

build

public EnumBranch<A,E> build()

Creates a new pattern with the current content of this builder.

After pattern creation, this builder may be reused.

Returns:

a pattern with the same branches as the current content of this builder