content: /*
   * 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 com.datastax.oss.driver.internal.querybuilder.select;
  
  import com.datastax.oss.driver.api.core.CqlIdentifier;
  import com.datastax.oss.driver.api.querybuilder.BindMarker;
  import edu.umd.cs.findbugs.annotations.NonNull;
  import edu.umd.cs.findbugs.annotations.Nullable;
  import net.jcip.annotations.Immutable;
  
  @Immutable
  public class DefaultBindMarker implements BindMarker {
  
    private final CqlIdentifier id;
  
    public DefaultBindMarker(@Nullable CqlIdentifier id) {
      this.id = id;
    }
  
    public DefaultBindMarker() {
      this(null);
    }
  
    @Override
    public void appendTo(@NonNull StringBuilder builder) {
      if (id == null) {
        builder.append('?');
      } else {
        builder.append(':').append(id.asCql(true));
      }
    }
  
    @Override
    public boolean isIdempotent() {
      return true;
    }
  
    @Nullable
    public CqlIdentifier getId() {
      return id;
    }
  }
  