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 org.apache.cassandra.cql3.statements;
  
  public enum StatementType
  {
      INSERT
      {
          @Override
          public boolean allowClusteringColumnSlices()
          {
              return false;
          }
      },
      UPDATE
      {
  
          @Override
          public boolean allowClusteringColumnSlices()
          {
              return false;
          }
      },
      DELETE
      {
      },
      SELECT
      {
          @Override
          public boolean allowPartitionKeyRanges()
          {
              return true;
          }
  
          @Override
          public boolean allowNonPrimaryKeyInWhereClause()
          {
              return true;
          }
  
          @Override
          public boolean allowUseOfSecondaryIndices()
          {
              return true;
          }
      };
  
      /**
       * Checks if this type is an insert.
       * @return <code>true</code> if this type is an insert, <code>false</code> otherwise.
       */
      public boolean isInsert()
      {
          return this == INSERT;
      }
  
      /**
       * Checks if this type is an update.
       * @return <code>true</code> if this type is an update, <code>false</code> otherwise.
       */
      public boolean isUpdate()
      {
          return this == UPDATE;
      }
  
      /**
       * Checks if this type is a delete.
       * @return <code>true</code> if this type is a delete, <code>false</code> otherwise.
       */
      public boolean isDelete()
      {
          return this == DELETE;
      }
  
      /**
       * Checks if this type is an insert or an update.
       * @return <code>true</code> if this type is an insert or an update, <code>false</code> otherwise.
       */
      public boolean isInsertOrUpdate()
      {
          return this == INSERT || this == UPDATE;
      }
  
      /**
       * Checks if this type is a select.
       * @return <code>true</code> if this type is a select, <code>false</code> otherwise.
       */
      public boolean isSelect()
      {
          return this == SELECT;
      }
  
      /**
       * Checks this statement allow the where clause to contains missing partition key components or token relation.
       * @return <code>true</code> if this statement allow the where clause to contains missing partition key components
       * or token relation, <code>false</code> otherwise.
       */
      public boolean allowPartitionKeyRanges()
      {
          return false;
      }
  
      /**
       * Checks this type of statement allow the where clause to contains clustering column slices.
       * @return <code>true</code> if this type of statement allow the where clause to contains clustering column slices,
       * <code>false</code> otherwise.
       */
      public boolean allowClusteringColumnSlices()
      {
          return true;
      }
  
      /**
       * Checks if this type of statement allow non primary key in the where clause.
       * @return <code>true</code> if this type of statement allow non primary key in the where clause,
       * <code>false</code> otherwise.
       */
      public boolean allowNonPrimaryKeyInWhereClause()
      {
          return false;
      }
  
      /**
       * Checks if this type of statement allow the use of secondary indices.
       * @return <code>true</code> if this type of statement allow the use of secondary indices,
       * <code>false</code> otherwise.
       */
      public boolean allowUseOfSecondaryIndices()
      {
          return false;
      }
  }
  