com.facebook.presto.jdbc.internal.airlift.http.client.CompositeQualifierImpl Maven / Gradle / Ivy

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/*
 * Copyright 2010 Proofpoint, 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.facebook.presto.jdbc.internal.airlift.http.client;

import java.lang.annotation.Annotation;
import java.util.Arrays;

@SuppressWarnings("ClassExplicitlyAnnotation")
class CompositeQualifierImpl
        implements CompositeQualifier
{
    private final Class[] value;

    public static CompositeQualifier compositeQualifier(Class... classes)
    {
        return new CompositeQualifierImpl(classes);
    }

    private CompositeQualifierImpl(Class... classes)
    {
        this.value = classes;
    }

    @Override
    public Class[] value()
    {
        return value;
    }

    @Override
    public Class annotationType()
    {
        return CompositeQualifier.class;
    }

    public int hashCode()
    {
        // This is specified in java.lang.Annotation.
        return (127 * "value".hashCode()) ^ Arrays.hashCode(value);
    }

    public boolean equals(Object o)
    {
        if (!(o instanceof CompositeQualifier)) {
            return false;
        }
        CompositeQualifier other = (CompositeQualifier) o;
        return Arrays.equals(value, other.value());
    }
}