com.datastax.driver.core.schemabuilder.CreateKeyspace Maven / Gradle / Ivy

/*
 * Copyright 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;

/** A built CREATE KEYSPACE statement. */
public class CreateKeyspace {

  static final String command = "CREATE KEYSPACE";

  private final String keyspaceName;
  private boolean ifNotExists;

  public CreateKeyspace(String keyspaceName) {
    this.keyspaceName = keyspaceName;
    this.ifNotExists = false;
  }

  public CreateKeyspace ifNotExists() {
    this.ifNotExists = true;
    return this;
  }

  /**
   * Add options for this CREATE KEYSPACE statement.
   *
   * @return the options of this CREATE KEYSPACE statement.
   */
  public KeyspaceOptions with() {
    return new KeyspaceOptions(buildCommand(), keyspaceName);
  }

  String buildCommand() {
    StringBuilder createStatement = new StringBuilder();
    createStatement.append(command);
    if (ifNotExists) {
      createStatement.append(" IF NOT EXISTS");
    }
    return createStatement.toString();
  }
}