net.sandius.rembulan.exec.CallPausedException Maven / Gradle / Ivy
/*
* Copyright 2016 Miroslav Janíček
*
* 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 net.sandius.rembulan.exec;
import java.util.Objects;
/**
* An exception thrown by a call executor when a call is paused. The continuation
* of the paused call may be accessed using the method {@link #getContinuation()}.
*
* For performance reasons, instances of this class do not contain a stack trace.
*/
public class CallPausedException extends Exception {
private final Continuation continuation;
/**
* Constructs a new instance of {@code CallPausedException} with the specified
* continuation.
*
* For performance reasons, the exception does not have a writable stack trace.
*
* @param continuation the continuation of the paused call, must not be {@code null}
*
* @throws NullPointerException if {@code continuation} is {@code null}
*/
public CallPausedException(Continuation continuation) {
super("Call paused", null, true, false);
this.continuation = Objects.requireNonNull(continuation);
}
/**
* Get the continuation of the paused call.
*
* @return the call continuation
*/
public Continuation getContinuation() {
return continuation;
}
}