--- /dev/null
+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. 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.controller.model.util;
+
+import java.util.Collections;
+import java.util.List;
+
+import org.opendaylight.controller.model.api.type.UnionTypeDefinition;
+import org.opendaylight.controller.yang.common.QName;
+import org.opendaylight.controller.yang.model.api.SchemaPath;
+import org.opendaylight.controller.yang.model.api.Status;
+import org.opendaylight.controller.yang.model.api.TypeDefinition;
+import org.opendaylight.controller.yang.model.api.UnknownSchemaNode;
+
+public class UnionType implements UnionTypeDefinition {
+
+ private final QName name = BaseTypes.constructQName("union");
+ private final SchemaPath path = BaseTypes.schemaPath(name);
+ private final String description = "The union built-in type represents a value that corresponds to one of its member types.";
+ private final String reference = "https://tools.ietf.org/html/rfc6020#section-9.12";
+
+ private final List<TypeDefinition<?>> types;
+
+
+ public UnionType(List<TypeDefinition<?>> types) {
+ if(types == null) {
+ throw new NullPointerException("When the type is 'union', the 'type' statement MUST be present.");
+ }
+ this.types = types;
+ }
+
+ @Override
+ public UnionTypeDefinition getBaseType() {
+ return this;
+ }
+
+ @Override
+ public String getUnits() {
+ return null;
+ }
+
+ @Override
+ public Object getDefaultValue() {
+ return null;
+ }
+
+ @Override
+ public QName getQName() {
+ return name;
+ }
+
+ @Override
+ public SchemaPath getPath() {
+ return path;
+ }
+
+ @Override
+ public String getDescription() {
+ return description;
+ }
+
+ @Override
+ public String getReference() {
+ return reference;
+ }
+
+ @Override
+ public Status getStatus() {
+ return Status.CURRENT;
+ }
+
+ @Override
+ public List<UnknownSchemaNode> getUnknownSchemaNodes() {
+ return Collections.emptyList();
+ }
+
+ @Override
+ public List<TypeDefinition<?>> getTypes() {
+ return types;
+ }
+
+ @Override
+ public int hashCode() {
+ // TODO: implement hashcode
+ return 4;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj == null) {
+ return false;
+ }
+ if (getClass() != obj.getClass()) {
+ return false;
+ }
+ UnionType other = (UnionType) obj;
+ if (types == null) {
+ if (other.types != null) {
+ return false;
+ }
+ } else if (!types.equals(other.types)) {
+ return false;
+ }
+ return true;
+ }
+
+ @Override
+ public String toString() {
+ StringBuilder builder = new StringBuilder();
+ builder.append("UnionType [name=");
+ builder.append(name);
+ builder.append(", types=[");
+ for(TypeDefinition<?> td : types) {
+ builder.append(", "+ td.getQName().getLocalName());
+ }
+ builder.append("]");
+ builder.append("]");
+ return builder.toString();
+ }
+
+}