| /* |
| * 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.schema; |
| |
| import com.google.common.collect.ImmutableSet; |
| |
| import org.apache.cassandra.cql3.*; |
| import org.apache.cassandra.db.marshal.AbstractType; |
| import org.apache.cassandra.db.marshal.UserType; |
| |
| import static org.apache.cassandra.utils.ByteBufferUtil.bytes; |
| |
| public final class CQLTypeParser |
| { |
| private static final ImmutableSet<String> PRIMITIVE_TYPES; |
| |
| static |
| { |
| ImmutableSet.Builder<String> builder = ImmutableSet.builder(); |
| for (CQL3Type.Native primitive : CQL3Type.Native.values()) |
| builder.add(primitive.name().toLowerCase()); |
| PRIMITIVE_TYPES = builder.build(); |
| } |
| |
| public static AbstractType<?> parse(String keyspace, String unparsed, Types userTypes) |
| { |
| String lowercased = unparsed.toLowerCase(); |
| |
| // fast path for the common case of a primitive type |
| if (PRIMITIVE_TYPES.contains(lowercased)) |
| return CQL3Type.Native.valueOf(unparsed.toUpperCase()).getType(); |
| |
| // special-case top-level UDTs |
| UserType udt = userTypes.getNullable(bytes(lowercased)); |
| if (udt != null) |
| return udt; |
| |
| return parseRaw(unparsed).prepareInternal(keyspace, userTypes).getType(); |
| } |
| |
| static CQL3Type.Raw parseRaw(String type) |
| { |
| return CQLFragmentParser.parseAny(CqlParser::comparatorType, type, "CQL type"); |
| } |
| } |