yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/effective/IdentityEffectiveStatementImpl.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.collect.ImmutableList;
  11 import com.google.common.collect.ImmutableSet;
  12 import java.util.Collection;
  13 import java.util.Collections;
  14 import java.util.HashSet;
  15 import java.util.LinkedList;
  16 import java.util.List;
  17 import java.util.Objects;
  18 import java.util.Set;
  19 import org.opendaylight.yangtools.yang.common.QName;
  20 import org.opendaylight.yangtools.yang.model.api.IdentitySchemaNode;
  21 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  22 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  23 import org.opendaylight.yangtools.yang.model.api.stmt.IdentityStatement;
  24 import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
  25 import org.opendaylight.yangtools.yang.parser.spi.meta.DerivedIdentitiesNamespace;
  26 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  27 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.Utils;
  28
  29 public class IdentityEffectiveStatementImpl extends
  30         AbstractEffectiveDocumentedNode<QName, IdentityStatement> implements
  31         IdentitySchemaNode {
  32     private final QName qname;
  33     private final SchemaPath path;
  34     IdentitySchemaNode baseIdentity;
  35     private ImmutableSet<IdentitySchemaNode> derivedIdentities;
  36
  37     ImmutableList<UnknownSchemaNode> unknownNodes;
  38
  39     public IdentityEffectiveStatementImpl(
  40             StmtContext<QName, IdentityStatement, EffectiveStatement<QName, IdentityStatement>> ctx) {
  41         super(ctx);
  42
  43         this.qname = ctx.getStatementArgument();
  44         this.path = Utils.getSchemaPath(ctx);
  45
  46         initSubstatementCollections();
  47         initDerivedIdentities(ctx);
  48     }
  49
  50     private void initDerivedIdentities(
  51             StmtContext<QName, IdentityStatement, EffectiveStatement<QName, IdentityStatement>> ctx) {
  52
  53         Set<IdentitySchemaNode> derivedIdentitiesInit = new HashSet<IdentitySchemaNode>();
  54         List<StmtContext<?, ?, ?>> derivedIdentitiesCtxList = ctx.getFromNamespace(
  55                 DerivedIdentitiesNamespace.class, ctx.getStatementArgument());
  56
  57         if(derivedIdentitiesCtxList == null) {
  58             this.derivedIdentities = ImmutableSet.of();
  59             return;
  60         }
  61
  62         for (StmtContext<?, ?, ?> derivedIdentityCtx : derivedIdentitiesCtxList) {
  63             IdentityEffectiveStatementImpl derivedIdentity = (IdentityEffectiveStatementImpl) derivedIdentityCtx
  64                     .buildEffective();
  65             derivedIdentity.initBaseIdentity(this);
  66             derivedIdentitiesInit.add(derivedIdentity);
  67         }
  68         this.derivedIdentities = ImmutableSet.copyOf(derivedIdentitiesInit);
  69     }
  70
  71     private void initBaseIdentity(IdentityEffectiveStatementImpl baseIdentity) {
  72         this.baseIdentity = baseIdentity;
  73     }
  74
  75     private void initSubstatementCollections() {
  76         Collection<? extends EffectiveStatement<?, ?>> effectiveSubstatements = effectiveSubstatements();
  77
  78         List<UnknownSchemaNode> unknownNodesInit = new LinkedList<>();
  79
  80         for (EffectiveStatement<?, ?> effectiveStatement : effectiveSubstatements) {
  81             if (effectiveStatement instanceof UnknownSchemaNode) {
  82                 UnknownSchemaNode unknownNode = (UnknownSchemaNode) effectiveStatement;
  83                 unknownNodesInit.add(unknownNode);
  84             }
  85         }
  86
  87         this.unknownNodes = ImmutableList.copyOf(unknownNodesInit);
  88     }
  89
  90     @Override
  91     public QName getQName() {
  92         return qname;
  93     }
  94
  95     @Override
  96     public IdentitySchemaNode getBaseIdentity() {
  97         return baseIdentity;
  98     }
  99
 100     @Override
 101     public Set<IdentitySchemaNode> getDerivedIdentities() {
 102         return Collections.unmodifiableSet(derivedIdentities);
 103     }
 104
 105     @Override
 106     public SchemaPath getPath() {
 107         return path;
 108     }
 109
 110     @Override
 111     public List<UnknownSchemaNode> getUnknownSchemaNodes() {
 112         return unknownNodes;
 113     }
 114
 115     @Override
 116     public int hashCode() {
 117         final int prime = 31;
 118         int result = 1;
 119         result = prime * result + Objects.hashCode(qname);
 120         result = prime * result + Objects.hashCode(path);
 121         return result;
 122     }
 123
 124     @Override
 125     public boolean equals(final Object obj) {
 126         if (this == obj) {
 127             return true;
 128         }
 129         if (obj == null) {
 130             return false;
 131         }
 132         if (getClass() != obj.getClass()) {
 133             return false;
 134         }
 135         IdentityEffectiveStatementImpl other = (IdentityEffectiveStatementImpl) obj;
 136         if (qname == null) {
 137             if (other.qname != null) {
 138                 return false;
 139             }
 140         } else if (!qname.equals(other.qname)) {
 141             return false;
 142         }
 143         if (path == null) {
 144             if (other.path != null) {
 145                 return false;
 146             }
 147         } else if (!path.equals(other.path)) {
 148             return false;
 149         }
 150         return true;
 151     }
 152
 153     @Override
 154     public String toString() {
 155         StringBuilder sb = new StringBuilder(
 156                 IdentityEffectiveStatementImpl.class.getSimpleName());
 157         sb.append("[");
 158         sb.append("base=").append(baseIdentity);
 159         sb.append(", qname=").append(qname);
 160         sb.append("]");
 161         return sb.toString();
 162     }
 163 }