Class ConstructorCache

java.lang.Object

software.amazon.awssdk.checksums.internal.ConstructorCache

@SdkInternalApi
public final class ConstructorCache
extends Object

A cache that stores classes and exposes a method to retrieve its zero-argument constructor.

This cache stores weak references to loaded classes, allowing them to be garbage collected at any point.

Classes are loaded by first attempting to load it via the thread context ClassLoader (or system ClassLoader if the calling thread does not have one). If that fails, it will attempt using the ClassLoader that loaded ClassLoaderHelper.

If a class or its zero-argument constructor cannot be found, an empty result is returned.

See Also:

• ClassLoaderHelper.loadClass(String, boolean, Class[])

Constructor Summary

Constructors

Constructor	Description
ConstructorCache()

Method Summary

Modifier and Type	Method	Description
Optional<Constructor<?>>	getConstructor(String className)	Retrieve the zero-argument constructor for the given class name.

Methods inherited from class java.lang.Object

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

Constructor Details

ConstructorCache

public ConstructorCache()

Method Details

getConstructor

public Optional<Constructor<?>> getConstructor(String className)

Retrieve the zero-argument constructor for the given class name. Returns an empty result if no such constructor is found.