io.vertx.core.impl.FutureFactoryImpl.java Source code

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Here is the source code for io.vertx.core.impl.FutureFactoryImpl.java

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/*
 * Copyright (c) 2011-2019 Contributors to the Eclipse Foundation
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
 * which is available at https://www.apache.org/licenses/LICENSE-2.0.
 *
 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
 */

package io.vertx.core.impl;

import io.vertx.core.Future;
import io.vertx.core.spi.FutureFactory;

/**
 * @author <a href="http://tfox.org">Tim Fox</a>
 */
public class FutureFactoryImpl implements FutureFactory {

    private static final SucceededFuture EMPTY = new SucceededFuture<>(null, null);

    @Override
    public <T> PromiseInternal<T> promise() {
        return new FutureImpl<>();
    }

    @Override
    public <T> Future<T> succeededFuture() {
        @SuppressWarnings("unchecked")
        Future<T> fut = EMPTY;
        return fut;
    }

    @Override
    public <T> Future<T> succeededFuture(T result) {
        return new SucceededFuture<>(null, result);
    }

    @Override
    public <T> Future<T> failedFuture(Throwable t) {
        return new FailedFuture<>(null, t);
    }

    @Override
    public <T> Future<T> failureFuture(String failureMessage) {
        return new FailedFuture<>(null, failureMessage);
    }

    @Override
    public <T> PromiseInternal<T> promise(ContextInternal context) {
        return new FutureImpl<>(context);
    }

    @Override
    public <T> Future<T> succeededFuture(ContextInternal context) {
        return new SucceededFuture<>(context, null);
    }

    @Override
    public <T> Future<T> succeededFuture(ContextInternal context, T result) {
        return new SucceededFuture<>(context, result);
    }

    @Override
    public <T> Future<T> failedFuture(ContextInternal context, Throwable t) {
        return new FailedFuture<>(context, t);
    }

    @Override
    public <T> Future<T> failedFuture(ContextInternal context, String failureMessage) {
        return new FailedFuture<>(context, failureMessage);
    }
}