/*
* Copyright (c) 2015 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.xpath;
import com.google.common.annotations.Beta;
import javax.annotation.Nonnull;
import org.opendaylight.yangtools.yang.model.api.SchemaPath;
/**
* Interface implemented by {@link XPathExpression}s which can be recompiled to execute more efficiently at a
* at a different {@link SchemaPath} than they were originally compiled at. This can result in the expression being
* moved either up or down in a SchemaPath tree, usually closer to their {@link #getApexPath()}.
*/
@Beta
public interface RelocatableXPathExpression extends XPathExpression {
/**
* Return a new XPathExpression relocated to a SchemaPath of the implementation's choosing. Note that
* {@link #getApexPath()} must not change during this operation.
*
* @return A new XPathExpression instance.
*/
@Nonnull XPathExpression relocateExpression();
}