| /* |
| * 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 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; |
| } |
| } |