ScopeKey (scope 1.0.16 API)

public final class ScopeKey<T>
extends Object

强类型数据读写的封装

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`static <T> ScopeKey<T>`	`allocate()`
`T`	`get()`
`boolean`	`set(T value)`
`static ScopeKey<Boolean>`	`withDefaultValue(boolean defaultValue)`
`static ScopeKey<Double>`	`withDefaultValue(double defaultValue)`
`static ScopeKey<Integer>`	`withDefaultValue(int defaultValue)`
`static ScopeKey<Long>`	`withDefaultValue(long defaultValue)`
`static ScopeKey<String>`	`withDefaultValue(String defaultValue)`
`static <T extends Enum<T>> ScopeKey<T>`	`withDefaultValue(T defaultValue)`
`static <T> ScopeKey<T>`	`withInitializer(Supplier<T> initializer)`

@Nonnull
public static <T> ScopeKey<T> allocate()

@Nonnull
public static ScopeKey<Boolean> withDefaultValue(boolean defaultValue)

@Nonnull
public static ScopeKey<Integer> withDefaultValue(int defaultValue)

@Nonnull
public static ScopeKey<Long> withDefaultValue(long defaultValue)

@Nonnull
public static ScopeKey<Double> withDefaultValue(double defaultValue)

@Nonnull
public static ScopeKey<String> withDefaultValue(String defaultValue)

@Nonnull
public static <T extends Enum<T>> ScopeKey<T> withDefaultValue(T defaultValue)

@Nonnull
public static <T> ScopeKey<T> withInitializer(Supplier<T> initializer)

Parameters:

initializer - 初始化ScopeKey（仅在Scope有效时）等效代码:（调用 get() 时）

 
 T obj = SCOPE_KEY.get();
 if (obj == null) {
     obj = initializer.get();
     SCOPE_KEY.set(obj);
 }
 return obj;

Class ScopeKey<T>