com.amplitude.util

Class DoubleCheck<T>

java.lang.Object

com.amplitude.util.DoubleCheck<T>

All Implemented Interfaces:

Provider<T>

public class DoubleCheck<T>
extends java.lang.Object
implements Provider<T>

Copy from https://github.com/google/dagger/blob/master/java/dagger/internal/DoubleCheck.java Apache v2.0

Method Summary

Modifier and Type	Method and Description
T	get()
static <P extends Provider<T>,T> Provider<T>	provider(P delegate) Returns a Provider that caches the value from the given delegate provider.
static java.lang.Object	reentrantCheck(java.lang.Object currentInstance, java.lang.Object newInstance) Checks to see if creating the new instance has resulted in a recursive call.

Methods inherited from class java.lang.Object

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

Method Detail

get

public T get()

Specified by:

get in interface Provider<T>

reentrantCheck

public static java.lang.Object reentrantCheck(java.lang.Object currentInstance,
                                              java.lang.Object newInstance)

Checks to see if creating the new instance has resulted in a recursive call. If it has, and the new instance is the same as the current instance, return the instance. However, if the new instance differs from the current instance, an IllegalStateException is thrown.

provider

public static <P extends Provider<T>,T> Provider<T> provider(P delegate)

Returns a Provider that caches the value from the given delegate provider.