https://github.com/ReactiveX/RxJava: Reactive Extensions for Java
  • David Karnok 
Copyright (c) 2016-present, RxJava Contributors.
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.

/**
 * Copyright (c) 2016-present, RxJava Contributors.
 *
 * 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 io.reactivex.internal.util;

import java.util.concurrent.atomic.AtomicReference;


Atomic container for Throwables including combining and having a
terminal state via ExceptionHelper.


Watch out for the leaked AtomicReference methods!

/**
 * Atomic container for Throwables including combining and having a
 * terminal state via ExceptionHelper.
 * <p>
 * Watch out for the leaked AtomicReference methods!
 */
public final class AtomicThrowable extends AtomicReference<Throwable> {

    private static final long serialVersionUID = 3949248817947090603L;

    
Atomically adds a Throwable to this container (combining with a previous Throwable is necessary).

Params:
  • t – the throwable to add
Returns:true if successful, false if the container has been terminated
/**
     * Atomically adds a Throwable to this container (combining with a previous Throwable is necessary).
     * @param t the throwable to add
     * @return true if successful, false if the container has been terminated
     */
    public boolean addThrowable(Throwable t) {
        return ExceptionHelper.addThrowable(this, t);
    }

    
Atomically terminate the container and return the contents of the last
non-terminal Throwable of it.

Returns:the last Throwable
/**
     * Atomically terminate the container and return the contents of the last
     * non-terminal Throwable of it.
     * @return the last Throwable
     */
    public Throwable terminate() {
        return ExceptionHelper.terminate(this);
    }

    public boolean isTerminated() {
        return get() == ExceptionHelper.TERMINATED;
    }
}