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    • io.datakernel.di.impl.CompiledBinding Maven / Gradle / Ivy

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    DataKernel has an extremely lightweight DI with ground-breaking design principles. It supports nested scopes, singletons, object factories, modules and plugins which allow to transform graph of dependencies at startup time without any reflection.

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    package io.datakernel.di.impl;

import java.util.concurrent.atomic.AtomicReferenceArray;

/**
 * This is defined as an abstract class and not a functional interface so that
 * any anonymous class usage is compiled as a inner class and not a method with invokedynamic instruction.
 * This is needed for compiled bindings to be applicable for later specialization.
 */
public interface CompiledBinding {
	@SuppressWarnings("Convert2Lambda")
	CompiledBinding MISSING_OPTIONAL_BINDING = new CompiledBinding() {
		@Override
		public Object getInstance(AtomicReferenceArray[] scopedInstances, int synchronizedScope) {
			return null;
		}
	};

	R getInstance(AtomicReferenceArray[] scopedInstances, int synchronizedScope);

	@SuppressWarnings("unchecked")
	static  CompiledBinding missingOptionalBinding() {
		return (CompiledBinding) MISSING_OPTIONAL_BINDING;
	}
}
    
    
    
    

    




    
    
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