2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.yang.model.api.stmt;
10 import static com.google.common.base.Verify.verifyNotNull;
12 import com.google.common.annotations.Beta;
13 import org.eclipse.jdt.annotation.NonNull;
14 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
15 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
16 import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
19 * Represents YANG if-feature statement. The "if-feature" statement makes its parent statement conditional.
21 public interface IfFeatureStatement extends DeclaredStatement<IfFeatureExpr> {
23 default StatementDefinition statementDefinition() {
24 return YangStmtMapping.IF_FEATURE;
28 * In YANG 1.1 (RFC7950) implementation of IfFeatureStatement, the argument is a boolean expression over feature
29 * names defined by "feature" statements. Hence, add implementation to return a predicate on a collection
30 * of features against which to evaluate.
32 * @return Predicate on a collection of QNames against which to evaluate
35 default @NonNull IfFeatureExpr getIfFeaturePredicate() {
36 // FIXME: YANGTOOLS-908: verifyNotNull() should not be needed here
37 return verifyNotNull(argument());