yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/presence/PresenceStatementSupport.java

   1 /*
   2  * Copyright (c) 2017 Pantheon Technologies, s.r.o. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.yangtools.yang.parser.rfc7950.stmt.presence;
   9
  10 import com.google.common.collect.ImmutableList;
  11 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  12 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  13 import org.opendaylight.yangtools.yang.model.api.stmt.PresenceEffectiveStatement;
  14 import org.opendaylight.yangtools.yang.model.api.stmt.PresenceStatement;
  15 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseStringStatementSupport;
  16 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  17 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  18
  19 public final class PresenceStatementSupport
  20         extends BaseStringStatementSupport<PresenceStatement, PresenceEffectiveStatement> {
  21     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR =
  22             SubstatementValidator.builder(YangStmtMapping.PRESENCE).build();
  23     private static final PresenceStatementSupport INSTANCE = new PresenceStatementSupport();
  24
  25     private PresenceStatementSupport() {
  26         super(YangStmtMapping.PRESENCE);
  27     }
  28
  29     public static PresenceStatementSupport getInstance() {
  30         return INSTANCE;
  31     }
  32
  33     @Override
  34     public String parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
  35         return value;
  36     }
  37
  38     @Override
  39     public PresenceStatement createDeclared(final StmtContext<String, PresenceStatement, ?> ctx) {
  40         return new PresenceStatementImpl(ctx);
  41     }
  42
  43     @Override
  44     protected SubstatementValidator getSubstatementValidator() {
  45         return SUBSTATEMENT_VALIDATOR;
  46     }
  47
  48     @Override
  49     protected PresenceEffectiveStatement createEffective(
  50             final StmtContext<String, PresenceStatement, PresenceEffectiveStatement> ctx,
  51             final PresenceStatement declared,
  52             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  53         return new RegularPresenceEffectiveStatement(declared, substatements);
  54     }
  55
  56     @Override
  57     protected PresenceEffectiveStatement createEmptyEffective(
  58             final StmtContext<String, PresenceStatement, PresenceEffectiveStatement> ctx,
  59             final PresenceStatement declared) {
  60         return new EmptyPresenceEffectiveStatement(declared);
  61     }
  62 }