| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.atlas.typesystem.types; |
| |
| import com.google.common.collect.ImmutableSortedMap; |
| |
| import org.apache.atlas.AtlasException; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| import java.util.Set; |
| |
| abstract class AbstractDataType<T> implements IDataType<T> { |
| |
| public final String name; |
| public final String description; |
| |
| public AbstractDataType(String name, String description) { |
| |
| super(); |
| this.name = name; |
| this.description = description; |
| } |
| |
| public void setTypeSystem(TypeSystem typeSystem) { |
| // do nothing |
| } |
| |
| protected T convertNull(Multiplicity m) throws AtlasException { |
| if (!m.nullAllowed()) { |
| throw new ValueConversionException.NullConversionException(m); |
| } |
| return null; |
| } |
| |
| @Override |
| public void output(T val, Appendable buf, String prefix, Set<T> inProcess) throws AtlasException { |
| if (val instanceof Map) { |
| ImmutableSortedMap immutableSortedMap = ImmutableSortedMap.copyOf((Map) val); |
| TypeUtils.outputVal(val == null ? "<null>" : immutableSortedMap.toString(), buf, prefix); |
| } else { |
| TypeUtils.outputVal(val == null ? "<null>" : val.toString(), buf, prefix); |
| } |
| } |
| |
| @Override |
| public void output(Appendable buf, Set<String> typesInProcess) throws AtlasException { |
| |
| try { |
| buf.append(toString()); |
| } catch (IOException e) { |
| throw new AtlasException(e); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see java.lang.Object#toString() |
| */ |
| @Override |
| public String toString() { |
| return "{name=" + name + ", description=" + description + "}"; |
| } |
| |
| /** |
| * Validate that current definition can be updated with the new definition |
| * @param newType |
| */ |
| @Override |
| public void validateUpdate(IDataType newType) throws TypeUpdateException { |
| if (!getName().equals(newType.getName()) || !getClass().getName().equals(newType.getClass().getName())) { |
| throw new TypeUpdateException(newType); |
| } |
| } |
| |
| @Override |
| public String getName() { |
| return name; |
| } |
| |
| @Override |
| public String getDescription() { |
| return description; |
| } |
| } |
| |