| /* |
| * Copyright 2015-present Open Networking Laboratory |
| * |
| * Licensed 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.onosproject.ovsdb.rfc.schema; |
| |
| import static com.google.common.base.MoreObjects.toStringHelper; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.Set; |
| |
| /** |
| * A schema for the database represented by database-schema, which consists of |
| * a set of tables. |
| */ |
| public final class DatabaseSchema { |
| |
| private final String name; |
| private final String version; |
| private final Map<String, TableSchema> tableSchemas; |
| |
| /** |
| * Constructs a DatabaseSchema object. |
| * @param name the name of database |
| * @param version the version of database |
| * @param tableSchemas a map of TableSchema |
| */ |
| public DatabaseSchema(String name, String version, |
| Map<String, TableSchema> tableSchemas) { |
| checkNotNull(name, "name cannot be null"); |
| checkNotNull(version, "version cannot be null"); |
| checkNotNull(tableSchemas, "tableSchemas cannot be null"); |
| this.name = name; |
| this.version = version; |
| this.tableSchemas = tableSchemas; |
| } |
| |
| /** |
| * Returns the name of database. |
| * @return the name of database |
| */ |
| public String name() { |
| return name; |
| } |
| |
| /** |
| * Returns the version of database. |
| * @return the version of database |
| */ |
| public String version() { |
| return version; |
| } |
| |
| /** |
| * Returns a map of TableSchema. |
| * @return a map of TableSchema |
| */ |
| public Map<String, TableSchema> tableSchemas() { |
| return tableSchemas; |
| } |
| |
| /** |
| * Returns a set of table name. |
| * @return a set of table name |
| */ |
| public Set<String> getTableNames() { |
| return this.tableSchemas.keySet(); |
| } |
| |
| /** |
| * Determine whether contain the table. |
| * @param tableName table name |
| * @return boolean |
| */ |
| public boolean hasTable(String tableName) { |
| return this.getTableNames().contains(tableName); |
| } |
| |
| /** |
| * Returns the TableSchema whose name is the tableName. |
| * @param tableName table name |
| * @return TableSchema |
| */ |
| public TableSchema getTableSchema(String tableName) { |
| TableSchema table = tableSchemas.get(tableName); |
| return table; |
| } |
| |
| /** |
| * generate initialization columns in each table namely _uuid and _version. |
| */ |
| public void generateInitializationColumns() { |
| for (TableSchema tableSchema : tableSchemas.values()) { |
| tableSchema.generateInitializationColumns(); |
| } |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(name, version, tableSchemas); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof DatabaseSchema) { |
| final DatabaseSchema other = (DatabaseSchema) obj; |
| return Objects.equals(this.name, other.name) |
| && Objects.equals(this.version, other.version) |
| && Objects.equals(this.tableSchemas, other.tableSchemas); |
| } |
| return false; |
| } |
| |
| @Override |
| public String toString() { |
| return toStringHelper(this).add("name", name).add("version", version) |
| .add("tableSchemas", tableSchemas).toString(); |
| } |
| } |