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.exceptions;

import io.reactivex.annotations.*;


Represents an exception used to signal to the RxJavaPlugins.onError() that a callback-based subscribe() method on a base reactive type didn't specify an onError handler. 
History: 2.0.6 - experimental; 2.1 - beta

Since:2.2
/**
 * Represents an exception used to signal to the {@code RxJavaPlugins.onError()} that a
 * callback-based subscribe() method on a base reactive type didn't specify
 * an onError handler.
 * <p>History: 2.0.6 - experimental; 2.1 - beta
 * @since 2.2
 */
public final class OnErrorNotImplementedException extends RuntimeException {

    private static final long serialVersionUID = -6298857009889503852L;

    
Customizes the Throwable with a custom message and wraps it before it is signalled to the RxJavaPlugins.onError() handler as OnErrorNotImplementedException. 
Params:
  • message –  the message to assign to the Throwable to signal
  • e –  the Throwable to signal; if null, a NullPointerException is constructed
/**
     * Customizes the {@code Throwable} with a custom message and wraps it before it
     * is signalled to the {@code RxJavaPlugins.onError()} handler as {@code OnErrorNotImplementedException}.
     *
     * @param message
     *          the message to assign to the {@code Throwable} to signal
     * @param e
     *          the {@code Throwable} to signal; if null, a NullPointerException is constructed
     */
    public OnErrorNotImplementedException(String message, @NonNull Throwable e) {
        super(message, e != null ? e : new NullPointerException());
    }

    
Wraps the Throwable before it is signalled to the RxJavaPlugins.onError() handler as OnErrorNotImplementedException. 
Params:
  • e –  the Throwable to signal; if null, a NullPointerException is constructed
/**
     * Wraps the {@code Throwable} before it
     * is signalled to the {@code RxJavaPlugins.onError()}
     * handler as {@code OnErrorNotImplementedException}.
     *
     * @param e
     *          the {@code Throwable} to signal; if null, a NullPointerException is constructed
     */
    public OnErrorNotImplementedException(@NonNull Throwable e) {
        this("The exception was not handled due to missing onError handler in the subscribe() method call. Further reading: https://github.com/ReactiveX/RxJava/wiki/Error-Handling | " + e, e);
    }
}