yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/effective/LeafListEffectiveStatementImpl.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. 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.stmt.rfc6020.effective;
   9
  10 import com.google.common.base.Optional;
  11 import java.util.Objects;
  12 import org.opendaylight.yangtools.yang.common.QName;
  13 import org.opendaylight.yangtools.yang.model.api.DerivableSchemaNode;
  14 import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
  15 import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
  16 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  17 import org.opendaylight.yangtools.yang.model.api.stmt.LeafListStatement;
  18 import org.opendaylight.yangtools.yang.model.api.stmt.TypeEffectiveStatement;
  19 import org.opendaylight.yangtools.yang.model.util.type.ConcreteTypeBuilder;
  20 import org.opendaylight.yangtools.yang.model.util.type.ConcreteTypes;
  21 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  22 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  23
  24 public final class LeafListEffectiveStatementImpl extends AbstractEffectiveDataSchemaNode<LeafListStatement> implements
  25         LeafListSchemaNode, DerivableSchemaNode {
  26
  27     private static final String ORDER_BY_USER_KEYWORD = "user";
  28     private final TypeDefinition<?> type;
  29     private final LeafListSchemaNode original;
  30     private final boolean userOrdered;
  31
  32     public LeafListEffectiveStatementImpl(
  33             final StmtContext<QName, LeafListStatement, EffectiveStatement<QName, LeafListStatement>> ctx) {
  34         super(ctx);
  35         this.original = ctx.getOriginalCtx() == null ? null : (LeafListSchemaNode) ctx.getOriginalCtx()
  36                 .buildEffective();
  37
  38         final TypeEffectiveStatement<?> typeStmt = firstSubstatementOfType(TypeEffectiveStatement.class);
  39         if (typeStmt == null) {
  40             throw new SourceException("Leaf-list is missing a 'type' statement", ctx.getStatementSourceReference());
  41         }
  42
  43         final ConcreteTypeBuilder<?> builder = ConcreteTypes.concreteTypeBuilder(typeStmt.getTypeDefinition(),
  44             ctx.getSchemaPath().get());
  45         boolean isUserOrdered = false;
  46         for (EffectiveStatement<?, ?> stmt : effectiveSubstatements()) {
  47             if (stmt instanceof OrderedByEffectiveStatementImpl) {
  48                 isUserOrdered = ORDER_BY_USER_KEYWORD.equals(stmt.argument());
  49             }
  50
  51             if (stmt instanceof DefaultEffectiveStatementImpl) {
  52                 builder.setDefaultValue(stmt.argument());
  53             } else if (stmt instanceof DescriptionEffectiveStatementImpl) {
  54                 builder.setDescription(((DescriptionEffectiveStatementImpl)stmt).argument());
  55             } else if (stmt instanceof ReferenceEffectiveStatementImpl) {
  56                 builder.setReference(((ReferenceEffectiveStatementImpl)stmt).argument());
  57             } else if (stmt instanceof StatusEffectiveStatementImpl) {
  58                 builder.setStatus(((StatusEffectiveStatementImpl)stmt).argument());
  59             } else if (stmt instanceof UnitsEffectiveStatementImpl) {
  60                 builder.setUnits(((UnitsEffectiveStatementImpl)stmt).argument());
  61             }
  62         }
  63
  64         type = builder.build();
  65         userOrdered = isUserOrdered;
  66     }
  67
  68     @Override
  69     public Optional<LeafListSchemaNode> getOriginal() {
  70         return Optional.fromNullable(original);
  71     }
  72
  73     @Override
  74     public TypeDefinition<?> getType() {
  75         return type;
  76     }
  77
  78     @Override
  79     public boolean isUserOrdered() {
  80         return userOrdered;
  81     }
  82
  83     @Override
  84     public int hashCode() {
  85         final int prime = 31;
  86         int result = 1;
  87         result = prime * result + Objects.hashCode(getQName());
  88         result = prime * result + Objects.hashCode(getPath());
  89         return result;
  90     }
  91
  92     @Override
  93     public boolean equals(final Object obj) {
  94         if (this == obj) {
  95             return true;
  96         }
  97         if (obj == null) {
  98             return false;
  99         }
 100         if (getClass() != obj.getClass()) {
 101             return false;
 102         }
 103         LeafListEffectiveStatementImpl other = (LeafListEffectiveStatementImpl) obj;
 104         return Objects.equals(getQName(), other.getQName()) && Objects.equals(getPath(), other.getPath());
 105     }
 106
 107     @Override
 108     public String toString() {
 109         StringBuilder sb = new StringBuilder(LeafListEffectiveStatementImpl.class.getSimpleName());
 110         sb.append("[");
 111         sb.append(getQName());
 112         sb.append("]");
 113         return sb.toString();
 114     }
 115 }