Import cql3 package and sub-packages

Contains the cql3 grammer and supporting classes, which will be converted one by one. From commit bf599fb5b062cbcc652da78b7d699e7a01b949ad.
2014-12-24 10:04:55 +02:00
parent 858e910fe3
commit 792f606a64
128 changed files with 25952 additions and 0 deletions
--- a/cql3/statements/DropKeyspaceStatement.java
+++ b/cql3/statements/DropKeyspaceStatement.java
@@ -0,0 +1,77 @@
+/*
+ * 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.exceptions.ConfigurationException;
+import org.apache.cassandra.exceptions.InvalidRequestException;
+import org.apache.cassandra.exceptions.RequestValidationException;
+import org.apache.cassandra.auth.Permission;
+import org.apache.cassandra.exceptions.UnauthorizedException;
+import org.apache.cassandra.service.ClientState;
+import org.apache.cassandra.service.MigrationManager;
+import org.apache.cassandra.thrift.ThriftValidation;
+import org.apache.cassandra.transport.Event;
+
+public class DropKeyspaceStatement extends SchemaAlteringStatement
+{
+    private final String keyspace;
+    private final boolean ifExists;
+
+    public DropKeyspaceStatement(String keyspace, boolean ifExists)
+    {
+        super();
+        this.keyspace = keyspace;
+        this.ifExists = ifExists;
+    }
+
+    public void checkAccess(ClientState state) throws UnauthorizedException, InvalidRequestException
+    {
+        state.hasKeyspaceAccess(keyspace, Permission.DROP);
+    }
+
+    public void validate(ClientState state) throws RequestValidationException
+    {
+        ThriftValidation.validateKeyspaceNotSystem(keyspace);
+    }
+
+    @Override
+    public String keyspace()
+    {
+        return keyspace;
+    }
+
+    public boolean announceMigration(boolean isLocalOnly) throws ConfigurationException
+    {
+        try
+        {
+            MigrationManager.announceKeyspaceDrop(keyspace, isLocalOnly);
+            return true;
+        }
+        catch(ConfigurationException e)
+        {
+            if (ifExists)
+                return false;
+            throw e;
+        }
+    }
+
+    public Event.SchemaChange changeEvent()
+    {
+        return new Event.SchemaChange(Event.SchemaChange.Change.DROPPED, keyspace());
+    }
+}