io.edurt.datacap.pinot.org.jboss.netty.util.ExternalResourceUtil Maven / Gradle / Ivy

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DataCap - Shaded for Apache Pinot

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/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project 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 io.edurt.datacap.pinot.org.jboss.netty.util;

/**
 * A utility class that provides the convenient shutdown of
 * {@link ExternalResourceReleasable}s.
 */
public final class ExternalResourceUtil {

    /**
     * Releases the specified {@link ExternalResourceReleasable}s.
     */
    public static void release(ExternalResourceReleasable... releasables) {
        ExternalResourceReleasable[] releasablesCopy =
            new ExternalResourceReleasable[releasables.length];

        for (int i = 0; i < releasables.length; i ++) {
            if (releasables[i] == null) {
                throw new NullPointerException("releasables[" + i + ']');
            }
            releasablesCopy[i] = releasables[i];
        }

        for (ExternalResourceReleasable e: releasablesCopy) {
            e.releaseExternalResources();
        }
    }

    private ExternalResourceUtil() {
    }
}