io.netty.util

类 ConstantPool<T extends Constant<T>>

java.lang.Object

io.netty.util.ConstantPool<T>

类型参数:

T - the type of the constant

public abstract class ConstantPool<T extends Constant<T>>
extends java.lang.Object

A pool of Constants.

构造器概要

构造器

构造器和说明
ConstantPool()

方法概要

限定符和类型	方法和说明
boolean	exists(java.lang.String name) Returns true if a AttributeKey exists for the given name.
protected abstract T	newConstant(int id, java.lang.String name)
T	newInstance(java.lang.String name) Creates a new Constant for the given name or fail with an IllegalArgumentException if a Constant for the given name exists.
int	nextId() 已过时。
T	valueOf(java.lang.Class<?> firstNameComponent, java.lang.String secondNameComponent) Shortcut of valueOf(firstNameComponent.getName() + "#" + secondNameComponent).
T	valueOf(java.lang.String name) Returns the Constant which is assigned to the specified name.

从类继承的方法 java.lang.Object

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

构造器详细资料

ConstantPool

public ConstantPool()

方法详细资料

valueOf

public T valueOf(java.lang.Class<?> firstNameComponent,
                 java.lang.String secondNameComponent)

Shortcut of valueOf(firstNameComponent.getName() + "#" + secondNameComponent).

valueOf

public T valueOf(java.lang.String name)

Returns the Constant which is assigned to the specified name. If there's no such Constant, a new one will be created and returned. Once created, the subsequent calls with the same name will always return the previously created one (i.e. singleton.)

参数:

name - the name of the Constant

exists

public boolean exists(java.lang.String name)

Returns true if a AttributeKey exists for the given name.

newInstance

public T newInstance(java.lang.String name)

Creates a new Constant for the given name or fail with an IllegalArgumentException if a Constant for the given name exists.

newConstant

protected abstract T newConstant(int id,
                                 java.lang.String name)

nextId

@Deprecated
public final int nextId()

已过时。