diff --git a/cql3/KeyspaceElementName.java b/cql3/KeyspaceElementName.java new file mode 100644 index 0000000000..0a68997d01 --- /dev/null +++ b/cql3/KeyspaceElementName.java @@ -0,0 +1,74 @@ +/* + * 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; + +import java.util.Locale; + +/** + * Base class for the names of the keyspace elements (e.g. table, index ...) + */ +abstract class KeyspaceElementName +{ + /** + * The keyspace name as stored internally. + */ + private String ksName; + + /** + * Sets the keyspace. + * + * @param ks the keyspace name + * @param keepCase true if the case must be kept, false otherwise. + */ + public final void setKeyspace(String ks, boolean keepCase) + { + ksName = toInternalName(ks, keepCase); + } + + /** + * Checks if the keyspace is specified. + * @return true if the keyspace is specified, false otherwise. + */ + public final boolean hasKeyspace() + { + return ksName != null; + } + + public final String getKeyspace() + { + return ksName; + } + + /** + * Converts the specified name into the name used internally. + * + * @param name the name + * @param keepCase true if the case must be kept, false otherwise. + * @return the name used internally. + */ + protected static String toInternalName(String name, boolean keepCase) + { + return keepCase ? name : name.toLowerCase(Locale.US); + } + + @Override + public String toString() + { + return hasKeyspace() ? (getKeyspace() + ".") : ""; + } +}