| /** |
| * 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.hadoop.record.meta; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| import org.apache.hadoop.record.RecordOutput; |
| |
| /** |
| * Represents a type information for a field, which is made up of its |
| * ID (name) and its type (a TypeID object). |
| * |
| * @deprecated Replaced by <a href="http://hadoop.apache.org/avro/">Avro</a>. |
| */ |
| @Deprecated |
| @InterfaceAudience.Public |
| @InterfaceStability.Stable |
| public class FieldTypeInfo |
| { |
| |
| private String fieldID; |
| private TypeID typeID; |
| |
| /** |
| * Construct a FiledTypeInfo with the given field name and the type |
| */ |
| FieldTypeInfo(String fieldID, TypeID typeID) { |
| this.fieldID = fieldID; |
| this.typeID = typeID; |
| } |
| |
| /** |
| * get the field's TypeID object |
| */ |
| public TypeID getTypeID() { |
| return typeID; |
| } |
| |
| /** |
| * get the field's id (name) |
| */ |
| public String getFieldID() { |
| return fieldID; |
| } |
| |
| void write(RecordOutput rout, String tag) throws IOException { |
| rout.writeString(fieldID, tag); |
| typeID.write(rout, tag); |
| } |
| |
| /** |
| * Two FieldTypeInfos are equal if ach of their fields matches |
| */ |
| public boolean equals(Object o) { |
| if (this == o) |
| return true; |
| if (!(o instanceof FieldTypeInfo)) |
| return false; |
| FieldTypeInfo fti = (FieldTypeInfo) o; |
| // first check if fieldID matches |
| if (!this.fieldID.equals(fti.fieldID)) { |
| return false; |
| } |
| // now see if typeID matches |
| return (this.typeID.equals(fti.typeID)); |
| } |
| |
| /** |
| * We use a basic hashcode implementation, since this class will likely not |
| * be used as a hashmap key |
| */ |
| public int hashCode() { |
| return 37*17+typeID.hashCode() + 37*17+fieldID.hashCode(); |
| } |
| |
| |
| public boolean equals(FieldTypeInfo ti) { |
| // first check if fieldID matches |
| if (!this.fieldID.equals(ti.fieldID)) { |
| return false; |
| } |
| // now see if typeID matches |
| return (this.typeID.equals(ti.typeID)); |
| } |
| |
| } |
| |