/**
* 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.parser.stmt.rfc6020;
import java.util.Map;
import javax.annotation.Nonnull;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
import org.opendaylight.yangtools.yang.parser.spi.meta.NamespaceBehaviour;
import org.opendaylight.yangtools.yang.parser.spi.meta.StatementNamespace;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
/**
* Statement local namespace, which holds direct schema node descendants.
*
* @param <D>
* @param <E>
*/
public class ChildSchemaNodes<D extends DeclaredStatement<QName>, E extends EffectiveStatement<QName, D>>
extends NamespaceBehaviour<QName, StmtContext<?, D, E>, ChildSchemaNodes<D, E>>
implements StatementNamespace<QName, D, E> {
public ChildSchemaNodes() {
super((Class) ChildSchemaNodes.class);
}
@Override
public StmtContext<?, D, E> get(@Nonnull final QName key) {
// TODO Auto-generated method stub
return null;
}
@Override
public StmtContext<?, D, E> getFrom(final NamespaceStorageNode storage, final QName key) {
return globalOrStatementSpecific(storage).getFromLocalStorage(getIdentifier(), key);
}
@Override
public Map<QName, StmtContext<?, D, E>> getAllFrom(final NamespaceStorageNode storage) {
// TODO Auto-generated method stub
return null;
}
@SuppressWarnings("unchecked")
@Override
public void addTo(final NamespaceStorageNode storage, final QName key, final StmtContext<?, D, E> value) {
final StmtContext<?, D, E> prev = globalOrStatementSpecific(storage).putToLocalStorageIfAbsent(
ChildSchemaNodes.class, key, value);
if (prev != null) {
throw new SourceException(value.getStatementSourceReference(),
"Error in module '%s': cannot add '%s'. Node name collision: '%s' already declared at %s",
value.getRoot().getStatementArgument(), key, prev.getStatementArgument(),
prev.getStatementSourceReference());
}
}
private static NamespaceStorageNode globalOrStatementSpecific(final NamespaceStorageNode storage) {
NamespaceStorageNode current = storage;
while (!isLocalOrGlobal(current.getStorageNodeType())) {
current = current.getParentNamespaceStorage();
}
return current;
}
private static boolean isLocalOrGlobal(final StorageNodeType type) {
return type == StorageNodeType.STATEMENT_LOCAL || type == StorageNodeType.GLOBAL;
}
}