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/*
 * Copyright The WildFly Authors
 * SPDX-License-Identifier: Apache-2.0
 */

package org.wildfly.clustering.session.cache.attributes;

import java.util.Collection;
import java.util.Set;
import java.util.function.Supplier;

import org.wildfly.clustering.cache.batch.Batch;
import org.wildfly.clustering.session.Session;

/**
 * A {@link SessionAttributes} implementation for detached sessions.
 * @param  the session context type
 * @param  the batch type
 * @author Paul Ferraro
 */
public class DetachedSessionAttributes implements SessionAttributes {
	private final Supplier batchFactory;
	private final Supplier> sessionFactory;

	public DetachedSessionAttributes(Supplier batchFactory, Supplier> sessionFactory) {
		this.batchFactory = batchFactory;
		this.sessionFactory = sessionFactory;
	}

	@Override
	public Set keySet() {
		try (B batch = this.batchFactory.get()) {
			try (Session session = this.sessionFactory.get()) {
				return session.getAttributes().keySet();
			}
		}
	}

	@Override
	public Set> entrySet() {
		try (B batch = this.batchFactory.get()) {
			try (Session session = this.sessionFactory.get()) {
				return session.getAttributes().entrySet();
			}
		}
	}

	@Override
	public Collection