| /* |
| * 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; |
| |
| import org.apache.cassandra.cql3.CFName; |
| import org.apache.cassandra.service.ClientState; |
| import org.apache.cassandra.exceptions.InvalidRequestException; |
| |
| /** |
| * Abstract class for statements that apply on a given column family. |
| */ |
| public abstract class CFStatement extends ParsedStatement |
| { |
| protected final CFName cfName; |
| protected Boolean fullyQualified; |
| protected CFStatement(CFName cfName) |
| { |
| this.cfName = cfName; |
| this.fullyQualified = cfName != null ? cfName.hasKeyspace() : null; |
| } |
| |
| public void prepareKeyspace(ClientState state) throws InvalidRequestException |
| { |
| if (!cfName.hasKeyspace()) |
| { |
| // XXX: We explicitly only want to call state.getKeyspace() in this case, as we don't want to throw |
| // if not logged in any keyspace but a keyspace is explicitely set on the statement. So don't move |
| // the call outside the 'if' or replace the method by 'prepareKeyspace(state.getKeyspace())' |
| cfName.setKeyspace(state.getKeyspace(), true); |
| } |
| } |
| |
| // Only for internal calls, use the version with ClientState for user queries |
| public void prepareKeyspace(String keyspace) |
| { |
| if (!cfName.hasKeyspace()) |
| cfName.setKeyspace(keyspace, true); |
| } |
| |
| public boolean isFullyQualified() |
| { |
| if (fullyQualified == null) |
| throw new IllegalStateException("Cannot determine whether or not the query was fully qualified"); |
| return fullyQualified; |
| } |
| |
| public String keyspace() |
| { |
| assert cfName.hasKeyspace() : "The statement hasn't be prepared correctly"; |
| return cfName.getKeyspace(); |
| } |
| |
| public String columnFamily() |
| { |
| return cfName.getColumnFamily(); |
| } |
| } |