/*
* 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.effective;
import com.google.common.base.Optional;
import com.google.common.base.Predicates;
import com.google.common.collect.Collections2;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import javax.annotation.Nonnull;
import org.opendaylight.yangtools.yang.model.api.Rfc6020Mapping;
import org.opendaylight.yangtools.yang.model.api.SchemaNode;
import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
import org.opendaylight.yangtools.yang.model.api.meta.IdentifierNamespace;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
import org.opendaylight.yangtools.yang.parser.stmt.reactor.StatementContextBase;
public abstract class EffectiveStatementBase> implements EffectiveStatement {
private final List extends EffectiveStatement, ?>> substatements;
/**
* Constructor.
*
* @param ctx
* context of statement.
*/
protected EffectiveStatementBase(final StmtContext ctx) {
final Collection> effectiveSubstatements = ctx.effectiveSubstatements();
final Collection> substatementsInit = new ArrayList<>();
final Collection> supportedDeclaredSubStmts = Collections2.filter(
ctx.declaredSubstatements(), StmtContextUtils::areFeaturesSupported);
for (final StatementContextBase, ?, ?> declaredSubstatement : supportedDeclaredSubStmts) {
if (declaredSubstatement.getPublicDefinition().equals(Rfc6020Mapping.USES)) {
substatementsInit.add(declaredSubstatement);
substatementsInit.addAll(declaredSubstatement.getEffectOfStatement());
((StatementContextBase, ?, ?>) ctx).removeStatementsFromEffectiveSubstatements(declaredSubstatement
.getEffectOfStatement());
} else {
substatementsInit.add(declaredSubstatement);
}
}
substatementsInit.addAll(effectiveSubstatements);
this.substatements = ImmutableList.copyOf(initSubstatements(substatementsInit));
}
/**
* Create a set of substatements. This method is split out so it can be overridden in
* {@link ExtensionEffectiveStatementImpl} to leak a not-fully-initialized instance.
*
* @param substatementsInit proposed substatements
* @return Filtered substatements
*/
Collection extends EffectiveStatement, ?>> initSubstatements(
final Collection> substatementsInit) {
return Collections2.transform(Collections2.filter(substatementsInit,
StmtContext::isSupportedToBuildEffective), StatementContextBase::buildEffective);
}
@Override
public final > V get(@Nonnull final Class namespace, @Nonnull final K identifier) {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Override
public final > Map getAll(@Nonnull final Class namespace) {
throw new UnsupportedOperationException("Not implemented yet.");
}
@Nonnull
@Override
public final Collection extends EffectiveStatement, ?>> effectiveSubstatements() {
return substatements;
}
protected final > S firstEffective(final Class type) {
final Optional extends EffectiveStatement, ?>> possible = Iterables.tryFind(substatements,
Predicates.instanceOf(type));
return possible.isPresent() ? type.cast(possible.get()) : null;
}
protected final S firstSchemaNode(final Class type) {
final Optional extends EffectiveStatement, ?>> possible = Iterables.tryFind(substatements,
Predicates.instanceOf(type));
return possible.isPresent() ? type.cast(possible.get()) : null;
}
@SuppressWarnings("unchecked")
protected final Collection allSubstatementsOfType(final Class type) {
return Collection.class.cast(Collections2.filter(substatements, Predicates.instanceOf(type)));
}
protected final T firstSubstatementOfType(final Class type) {
final Optional extends EffectiveStatement, ?>> possible = Iterables.tryFind(substatements,
Predicates.instanceOf(type));
return possible.isPresent() ? type.cast(possible.get()) : null;
}
protected final R firstSubstatementOfType(final Class> type, final Class returnType) {
final Optional extends EffectiveStatement, ?>> possible = Iterables.tryFind(substatements,
Predicates.and(Predicates.instanceOf(type), Predicates.instanceOf(returnType)));
return possible.isPresent() ? returnType.cast(possible.get()) : null;
}
protected final EffectiveStatement, ?> firstEffectiveSubstatementOfType(final Class> type) {
return Iterables.tryFind(substatements, Predicates.instanceOf(type)).orNull();
}
}