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/*
* Copyright 2015 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();
}
}
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