/*
* Copyright (C) 2012-2015 DataStax Inc.
*
* 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 com.datastax.driver.core.schemabuilder;
import com.google.common.base.Joiner;
import com.google.common.base.Optional;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
/**
* A built CREATE TYPE statement.
*/
public class CreateType extends AbstractCreateStatement<CreateType> {
private String typeName;
CreateType(String keyspaceName, String typeName) {
validateNotEmpty(keyspaceName, "Keyspace name");
validateNotEmpty(typeName, "Custom type name");
validateNotKeyWord(keyspaceName, String.format("The keyspace name '%s' is not allowed because it is a reserved keyword", keyspaceName));
validateNotKeyWord(typeName, String.format("The custom type name '%s' is not allowed because it is a reserved keyword", typeName));
this.typeName = typeName;
this.keyspaceName = Optional.fromNullable(keyspaceName);
}
CreateType(String typeName) {
validateNotEmpty(typeName, "Custom type name");
validateNotKeyWord(typeName, String.format("The custom type name '%s' is not allowed because it is a reserved keyword", typeName));
this.typeName = typeName;
}
/**
* Generate the script for custom type creation
*
* @return a CREATE TYPE statement
*/
public String build() {
return buildInternal();
}
@Override
public String buildInternal() {
StringBuilder createStatement = new StringBuilder(STATEMENT_START).append("CREATE TYPE ");
if (ifNotExists) {
createStatement.append("IF NOT EXISTS ");
}
if (keyspaceName.isPresent()) {
createStatement.append(keyspaceName.get()).append(".");
}
createStatement.append(typeName);
List<String> allColumns = new ArrayList<String>();
for (Map.Entry<String, ColumnType> entry : simpleColumns.entrySet()) {
allColumns.add(buildColumnType(entry));
}
createStatement.append("(").append(COLUMN_FORMATTING);
createStatement.append(Joiner.on("," + COLUMN_FORMATTING).join(allColumns));
createStatement.append(")");
return createStatement.toString();
}
}