com.hazelcast.shaded.org.apache.calcite.util.Static Maven / Gradle / Ivy
/*
* 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 com.hazelcast.shaded.org.apache.calcite.util;
import com.hazelcast.shaded.org.apache.calcite.runtime.CalciteResource;
import com.hazelcast.shaded.org.apache.calcite.runtime.ConsList;
import com.hazelcast.shaded.org.apache.calcite.runtime.Resources;
import java.util.List;
/**
* Definitions of objects to be statically imported.
*
* Note to developers
*
* Please give careful consideration before including an object in this
* class. Pros:
*
* - Code that uses these objects will be terser.
*
*
* Cons:
*
* - Namespace pollution,
*
- code that is difficult to understand (a general problem with static
* imports),
*
- potential cyclic initialization.
*
*/
public abstract class Static {
private Static() {}
/** Resources. */
public static final CalciteResource RESOURCE =
Resources.create(CalciteResource.class);
/** Builds a list. */
public static List cons(E first, List extends E> rest) {
return ConsList.of(first, rest);
}
}
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