/*
* Copyright (c) 2016 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.repo;
import com.google.common.base.Optional;
import java.util.Collection;
import java.util.Map;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.model.api.ModuleImport;
import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
import org.opendaylight.yangtools.yang.parser.impl.util.YangModelDependencyInfo;
final class RevisionDependencyResolver extends DependencyResolver {
protected RevisionDependencyResolver(final Map<SourceIdentifier, YangModelDependencyInfo> depInfo) {
super(depInfo);
}
protected static SourceIdentifier findWildcard(final Iterable<SourceIdentifier> haystack, final String needle) {
for (final SourceIdentifier r : haystack) {
if (needle.equals(r.getName())) {
return r;
}
}
return null;
}
@Override
protected boolean isKnown(final Collection<SourceIdentifier> haystack, final ModuleImport mi) {
final String rev = mi.getRevision() != null ? QName.formattedRevision(mi.getRevision()) : null;
final SourceIdentifier msi = SourceIdentifier.create(mi.getModuleName(), Optional.fromNullable(rev));
// Quick lookup
if (haystack.contains(msi)) {
return true;
}
// Slow revision-less walk
return rev == null && findWildcard(haystack, mi.getModuleName()) != null;
}
public static RevisionDependencyResolver create(final Map<SourceIdentifier, YangModelDependencyInfo> depInfo) {
return new RevisionDependencyResolver(depInfo);
}
}