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The AWS SDK for Java - SDK Core runtime module holds the classes that are used by the individual service clients to interact with Amazon Web Services. Users need to depend on aws-java-sdk artifact for accessing individual client classes.

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/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file 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 software.amazon.awssdk.core;

import java.util.concurrent.CompletableFuture;
import software.amazon.awssdk.annotations.SdkProtectedApi;
import software.amazon.awssdk.http.auth.spi.scheme.AuthSchemeOption;
import software.amazon.awssdk.http.auth.spi.signer.HttpSigner;
import software.amazon.awssdk.identity.spi.Identity;
import software.amazon.awssdk.utils.Validate;

/**
 * A container for the identity resolver, signer and auth option that we selected for use with this service call attempt.
 */
@SdkProtectedApi
public final class SelectedAuthScheme {
    private final CompletableFuture identity;
    private final HttpSigner signer;
    private final AuthSchemeOption authSchemeOption;

    public SelectedAuthScheme(CompletableFuture identity,
                              HttpSigner signer,
                              AuthSchemeOption authSchemeOption) {
        this.identity = Validate.paramNotNull(identity, "identity");
        this.signer = Validate.paramNotNull(signer, "signer");
        this.authSchemeOption = Validate.paramNotNull(authSchemeOption, "authSchemeOption");
    }

    public CompletableFuture identity() {
        return identity;
    }

    public HttpSigner signer() {
        return signer;
    }

    public AuthSchemeOption authSchemeOption() {
        return authSchemeOption;
    }
}