com.datastax.oss.driver.internal.querybuilder.select.AllSelector Maven / Gradle / Ivy
/*
* Copyright DataStax, Inc.
*
* Licensed 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 com.datastax.oss.driver.internal.querybuilder.select;
import com.datastax.oss.driver.api.core.CqlIdentifier;
import com.datastax.oss.driver.api.querybuilder.select.Selector;
import edu.umd.cs.findbugs.annotations.NonNull;
import edu.umd.cs.findbugs.annotations.Nullable;
public enum AllSelector implements Selector {
INSTANCE;
@NonNull
@Override
public Selector as(@NonNull CqlIdentifier alias) {
throw new IllegalStateException("Can't alias the '*' selector");
}
@Override
public void appendTo(@NonNull StringBuilder builder) {
builder.append('*');
}
@Nullable
@Override
public CqlIdentifier getAlias() {
return null;
}
}