org.eclipse.osgi.service.resolver.NativeCodeSpecification Maven / Gradle / Ivy

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AspectJ tools most notably contains the AspectJ compiler (AJC). AJC applies aspects to Java classes during compilation, fully replacing Javac for plain Java classes and also compiling native AspectJ or annotation-based @AspectJ syntax. Furthermore, AJC can weave aspects into existing class files in a post-compile binary weaving step. This library is a superset of AspectJ weaver and hence also of AspectJ runtime.

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/*******************************************************************************
 * Copyright (c) 2007, 2012 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.osgi.service.resolver;

/**
 * This class represents a native code specification.  A
 * native code specification is different from other
 * specification constraints which typically are resolved against
 * suppliers provided by other bundles.   A native code
 * specification supplies it own suppliers which are matched
 * against the platform properties at resolve time and the
 * supplier with the best match is selected.
 * 
 * This interface is not intended to be implemented by clients.  The
 * {@link StateObjectFactory} should be used to construct instances.
 * 
 * @since 3.4
 * @noimplement This interface is not intended to be implemented by clients.
 */
public interface NativeCodeSpecification extends VersionConstraint {
	/**
	 * Returns the list of possible suppliers to this native code specification.  When
	 * this native code specification is resolved one of the possible suppliers
	 * will be selected and returned by {@link VersionConstraint#getSupplier()}.
	 * @return the list of possible suppliers.
	 */
	public NativeCodeDescription[] getPossibleSuppliers();

	/**
	 * Returns whether or not this native code specification is optional.
	 *
	 * @return whether this specification is optional
	 */
	public boolean isOptional();
}