| /* |
| * 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.phoenix.schema; |
| |
| import org.apache.phoenix.schema.types.PDataType; |
| |
| public interface PDatum { |
| /** |
| * @return is this column nullable? |
| */ |
| boolean isNullable(); |
| |
| /** |
| * @return data type of the column |
| */ |
| PDataType getDataType(); |
| |
| /** |
| * @return the actual length of the column. For decimal, it would be its precision. For char or |
| * varchar, it would be the maximum length as specified during schema definition. |
| */ |
| Integer getMaxLength(); |
| |
| /** |
| * @return scale of a decimal number. |
| */ |
| Integer getScale(); |
| |
| /** |
| * @return The SortOrder for this column, never null |
| */ |
| SortOrder getSortOrder(); |
| |
| } |