/*
 * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */
package org.opendaylight.yangtools.yang.data.api.schema;

import javax.annotation.Nonnull;
import org.opendaylight.yangtools.yang.data.api.AttributesContainer;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;

/**
 * Leaf node with multiplicity 0..1.
 *
 * <p>
 * Leaf node has a value, but no child nodes in the data tree, schema
 * for leaf node and its value is described by {@link org.opendaylight.yangtools.yang.model.api.LeafSchemaNode}.
 *
 * @param <T> Value type
 */
public interface LeafNode<T> extends AttributesContainer, DataContainerChild<NodeIdentifier, T>,
        ValueNode<NodeIdentifier, T> {
    /**
     * Returns value of this leaf node.
     *
     * @return Returned value of this leaf node. Value SHOULD meet criteria defined by schema.
     */
    @Override
    @Nonnull T getValue();
}