org.apache.sshd.client.future.OpenFuture Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.sshd.client.future;
import org.apache.sshd.common.future.SshFuture;
import org.apache.sshd.common.future.VerifiableFuture;
/**
* An {@link SshFuture} for asynchronous channel opening requests.
*
* @author Apache MINA SSHD Project
*/
public interface OpenFuture extends SshFuture, VerifiableFuture {
/**
* Returns the cause of the connection failure.
*
* @return {@code null} if the connect operation is not finished yet, or if the connection attempt is successful
* (use {@link #isDone()} to distinguish between the two).
*/
Throwable getException();
/**
* @return true
if the connect operation is finished successfully.
*/
boolean isOpened();
/**
* @return {@code true} if the connect operation has been canceled by {@link #cancel()} method.
*/
boolean isCanceled();
/**
* Sets the newly connected session and notifies all threads waiting for this future. This method is invoked by SSHD
* internally. Please do not call this method directly.
*/
void setOpened();
/**
* Sets the exception caught due to connection failure and notifies all threads waiting for this future. This method
* is invoked by SSHD internally. Please do not call this method directly.
*
* @param exception The caught {@link Throwable}
*/
void setException(Throwable exception);
/**
* Cancels the connection attempt and notifies all threads waiting for this future.
*/
void cancel();
}
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