org.springframework.vault.core.RestOperationsCallback.java Source code

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Here is the source code for org.springframework.vault.core.RestOperationsCallback.java

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/*
 * Copyright 2017-2019 the original author or authors.
 *
 * 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
 *
 *      https://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 org.springframework.vault.core;

import org.springframework.lang.Nullable;
import org.springframework.web.client.RestOperations;

/**
 * A callback for executing arbitrary operations on {@link RestOperations}.
 *
 * @author Mark Paluch
 */
@FunctionalInterface
public interface RestOperationsCallback<T> {

    /**
     * Callback method.
     *
     * @param restOperations restOperations to use, must not be {@literal null}.
     * @return a result object or null if none.
     */
    @Nullable
    T doWithRestOperations(RestOperations restOperations);
}