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    • io.activej.jmx.ProtoObjectNameMapper Maven / Gradle / Ivy

    /*
 * Copyright (C) 2020 ActiveJ LLC.
 *
 * 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 io.activej.jmx;

import org.jetbrains.annotations.Nullable;

import java.util.List;
import java.util.function.UnaryOperator;

import static io.activej.jmx.Utils.doMap;

public interface ProtoObjectNameMapper {

	/**
	 * Transforms initial JMX proto object name
	 * 
    
	 * If method returns {@code null}, corresponding instance will not be registered into JMX.
	 *
	 * @param protoObjectName initial JMX proto object name
	 * @return mapped JMX proto object name, or {@code null} if an instance should not be
	 * registered into JMX.
	 */
	@Nullable ProtoObjectName apply(ProtoObjectName protoObjectName);

	static ProtoObjectNameMapper identity() {
		return protoObjectName -> protoObjectName;
	}

	static ProtoObjectNameMapper mapClassName(UnaryOperator mapper) {
		return doMap(ProtoObjectName::className, mapper, ProtoObjectName::withClassName);
	}

	static ProtoObjectNameMapper mapPackageName(UnaryOperator mapper) {
		return doMap(ProtoObjectName::packageName, mapper, ProtoObjectName::withPackageName);
	}

	static ProtoObjectNameMapper mapQualifier(UnaryOperator mapper) {
		return doMap(ProtoObjectName::qualifier, mapper, ProtoObjectName::withQualifier);
	}

	static ProtoObjectNameMapper mapScope(UnaryOperator mapper) {
		return doMap(ProtoObjectName::scope, mapper, ProtoObjectName::withScope);
	}

	static ProtoObjectNameMapper mapWorkerPoolQualifier(UnaryOperator mapper) {
		return doMap(ProtoObjectName::workerPoolQualifier, mapper, ProtoObjectName::withWorkerPoolQualifier);
	}

	static ProtoObjectNameMapper mapWorkerId(UnaryOperator mapper) {
		return doMap(ProtoObjectName::workerId, mapper, ProtoObjectName::withWorkerId);
	}

	static ProtoObjectNameMapper mapGenericParameters(UnaryOperator> mapper) {
		return doMap(ProtoObjectName::genericParameters, mapper, ProtoObjectName::withGenericParameters);
	}

	default ProtoObjectNameMapper then(ProtoObjectNameMapper next) {
		return protoObjectName -> {
			ProtoObjectName mapped = apply(protoObjectName);
			return mapped == null ? null : next.apply(mapped);
		};
	}
}
    
    
    
    

    




    
    
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