/*
* 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.ArrayList;
import java.util.Collection;
import java.util.List;
import javax.annotation.Nonnull;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.BaseStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.IdentityStatement;
import org.opendaylight.yangtools.yang.parser.spi.IdentityNamespace;
import org.opendaylight.yangtools.yang.parser.spi.SubstatementValidator;
import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractDeclaredStatement;
import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
import org.opendaylight.yangtools.yang.parser.spi.meta.DerivedIdentitiesNamespace;
import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder;
import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceAction;
import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.Prerequisite;
import org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.BaseEffectiveStatementImpl;
public class BaseStatementImpl extends AbstractDeclaredStatement<QName> implements BaseStatement {
private static final SubstatementValidator SUBSTATEMENT_VALIDATOR =
SubstatementValidator.builder(YangStmtMapping.BASE).build();
protected BaseStatementImpl(final StmtContext<QName, BaseStatement, ?> context) {
super(context);
}
public static class Definition
extends AbstractStatementSupport<QName, BaseStatement, EffectiveStatement<QName, BaseStatement>> {
public Definition() {
super(YangStmtMapping.BASE);
}
@Override
public QName parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
return Utils.qNameFromArgument(ctx, value);
}
@Override
public BaseStatement createDeclared(final StmtContext<QName, BaseStatement, ?> ctx) {
return new BaseStatementImpl(ctx);
}
@Override
public EffectiveStatement<QName, BaseStatement> createEffective(
final StmtContext<QName, BaseStatement, EffectiveStatement<QName, BaseStatement>> ctx) {
return new BaseEffectiveStatementImpl(ctx);
}
@Override
public void onStatementDefinitionDeclared(
final Mutable<QName, BaseStatement, EffectiveStatement<QName, BaseStatement>> baseStmtCtx) {
final Mutable<?, ?, ?> baseParentCtx = baseStmtCtx.getParentContext();
if (StmtContextUtils.producesDeclared(baseParentCtx, IdentityStatement.class)) {
final QName baseIdentityQName = baseStmtCtx.getStatementArgument();
final ModelActionBuilder baseIdentityAction = baseStmtCtx.newInferenceAction(
ModelProcessingPhase.STATEMENT_DEFINITION);
final Prerequisite<StmtContext<?, ?, ?>> requiresPrereq = baseIdentityAction.requiresCtx(baseStmtCtx,
IdentityNamespace.class, baseIdentityQName, ModelProcessingPhase.STATEMENT_DEFINITION);
final Prerequisite<StmtContext.Mutable<?, ?, ?>> mutatesPrereq = baseIdentityAction.mutatesCtx(
baseParentCtx, ModelProcessingPhase.STATEMENT_DEFINITION);
baseIdentityAction.apply(new InferenceAction() {
@Override
public void apply() {
List<StmtContext<?, ?, ?>> derivedIdentities =
baseStmtCtx.getFromNamespace(DerivedIdentitiesNamespace.class, baseStmtCtx.getStatementArgument());
if (derivedIdentities == null) {
derivedIdentities = new ArrayList<>();
baseStmtCtx.addToNs(DerivedIdentitiesNamespace.class, baseIdentityQName, derivedIdentities);
}
derivedIdentities.add(baseParentCtx);
}
@Override
public void prerequisiteFailed(final Collection<? extends Prerequisite<?>> failed) {
throw new InferenceException(baseStmtCtx.getStatementSourceReference(),
"Unable to resolve identity %s and base identity %s",
baseParentCtx.getStatementArgument(), baseStmtCtx.getStatementArgument());
}
});
}
}
@Override
protected SubstatementValidator getSubstatementValidator() {
return SUBSTATEMENT_VALIDATOR;
}
}
@Nonnull
@Override
public QName getName() {
return argument();
}
}