-/*
- * Copyright (c) 2020 PANTHEON.tech, s.r.o. 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.spi.meta;
-
-import java.util.Optional;
-import org.eclipse.jdt.annotation.NonNull;
-import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
-
-/**
- * Default implementations for various {@link StmtContext} methods. Code hosted here is meant for use by actual
- * {@link StmtContext} implementations, not for general use by others.
- */
-public final class StmtContextDefaults {
- private StmtContextDefaults() {
- // Hidden on purpose
- }
-
- /**
- * Default implementation of {@link StmtContext#findSubstatementArgument(Class)}. See that method for API contract.
- *
- * @param <A> Substatement argument type
- * @param <E> Substatement effective statement representation
- * @param stmt Statement context to search
- * @param type Effective statement representation being look up
- * @return Effective statement argument, if found
- */
- @SuppressWarnings({"unchecked" })
- public static <A, E extends EffectiveStatement<A, ?>> @NonNull Optional<A> findSubstatementArgument(
- final @NonNull StmtContext<?, ?, ?> stmt, final @NonNull Class<E> type) {
- return stmt.allSubstatementsStream()
- .filter(ctx -> ctx.isSupportedToBuildEffective() && ctx.producesEffective(type))
- .findAny()
- .map(ctx -> (A) ctx.getArgument());
- }
-
- /**
- * Default implementation of {@link StmtContext#hasSubstatement(Class)}. See that method for API contract.
- *
- * @param stmt Statement context to search
- * @param type Effective statement representation being look up
- * @return True if a match is found, false otherwise
- */
- public static boolean hasSubstatement(final @NonNull StmtContext<?, ?, ?> stmt,
- final @NonNull Class<? extends EffectiveStatement<?, ?>> type) {
- return stmt.allSubstatementsStream()
- .anyMatch(ctx -> ctx.isSupportedToBuildEffective() && ctx.producesEffective(type));
- }
-}