/*
* 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 com.google.common.collect.ImmutableSet;
import com.google.common.collect.ImmutableSet.Builder;
import java.util.Collection;
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.KeyStatement;
import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier;
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.StmtContext;
import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.KeyEffectiveStatementImpl;
public class KeyStatementImpl extends AbstractDeclaredStatement<Collection<SchemaNodeIdentifier>> implements
KeyStatement {
private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(YangStmtMapping
.KEY)
.build();
protected KeyStatementImpl(final StmtContext<Collection<SchemaNodeIdentifier>, KeyStatement, ?> context) {
super(context);
}
public static class Definition
extends
AbstractStatementSupport<Collection<SchemaNodeIdentifier>, KeyStatement,
EffectiveStatement<Collection<SchemaNodeIdentifier>, KeyStatement>> {
public Definition() {
super(YangStmtMapping.KEY);
}
@Override
public Collection<SchemaNodeIdentifier> parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
final Builder<SchemaNodeIdentifier> builder = ImmutableSet.builder();
int tokens = 0;
for (String keyToken : StmtContextUtils.LIST_KEY_SPLITTER.split(value)) {
builder.add(SchemaNodeIdentifier.create(false, Utils.qNameFromArgument(ctx, keyToken)));
tokens++;
}
// Throws NPE on nulls, retains first inserted value, cannot be modified
final Collection<SchemaNodeIdentifier> ret = builder.build();
SourceException.throwIf(ret.size() != tokens, ctx.getStatementSourceReference(),
"Key argument '%s' contains duplicates", value);
return ret;
}
@Override
public KeyStatement createDeclared(final StmtContext<Collection<SchemaNodeIdentifier>, KeyStatement, ?> ctx) {
return new KeyStatementImpl(ctx);
}
@Override
public EffectiveStatement<Collection<SchemaNodeIdentifier>, KeyStatement> createEffective(
final StmtContext<Collection<SchemaNodeIdentifier>, KeyStatement,
EffectiveStatement<Collection<SchemaNodeIdentifier>, KeyStatement>> ctx) {
return new KeyEffectiveStatementImpl(ctx);
}
@Override
protected SubstatementValidator getSubstatementValidator() {
return SUBSTATEMENT_VALIDATOR;
}
}
}