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This jar bundles all the bits of Weld and CDI required for running in a Servlet container.
/*
* JBoss, Home of Professional Open Source
* Copyright 2018, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.weld.context;
import java.util.Collection;
import javax.enterprise.context.spi.AlterableContext;
import org.jboss.weld.context.api.ContextualInstance;
/**
* Enriched version of {@link AlterableContext} which allows to capture all instances from given context or to set them to
* previously obtained values.
*
* Most built-in contexts implement this in order to support context propagation. Exception are {@link ApplicationContext} which
* works out of the box and then {@link SingletonContext} and {@link DependentContext} which are not to be propagated.
*
* @author Matej Novotny
*/
public interface WeldAlterableContext extends AlterableContext {
/**
* Retrieves set of {@link ContextualInstance} within the context. This entails all instances that were created up to this point - Weld creates
* them lazily so unless some beans were already used, they have not been stored.
*
* @return Set of all {@link ContextualInstance} existing in this context
*/
default Collection> getAllContextualInstances() {
throw new UnsupportedOperationException("getAll() is not implemented for context " + this.getClass());
}
/**
* Clears the backing bean store and feeds it with the set of {@link ContextualInstance} provided as parameter.
* All {@link ContextualInstance} have to belong to the same scope as does this {@link WeldAlterableContext} otherwise
* {@code IllegalArgumentException} is thrown.
*
* @param setOfInstances set of {@link ContextualInstance} which are to become the new bean store for this context
* @throws IllegalArgumentException if {@link ContextualInstance}s belong to different scope than this context
*/
default void clearAndSet(Collection> setOfInstances) {
throw new UnsupportedOperationException("reset() is not implemented for context " + this.getClass());
}
}