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/*
Copyright (c) 2007-2010 iMatix Corporation
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the Lesser GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Lesser GNU General Public License for more details.
You should have received a copy of the Lesser GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.zmq;
public class Context {
static {
System.loadLibrary("jzmq");
}
public static final int POLL = 1;
public static final int POLLIN = 1;
public static final int POLLOUT = 2;
public static final int POLLERR = 4;
/**
* Class constructor.
*
* @param appThreads maximum number of application threads.
* @param ioThreads size of the threads pool to handle I/O operations.
*/
public Context (int appThreads, int ioThreads, int flags) {
construct (appThreads, ioThreads, flags);
}
/**
* Issue a poll call on the specified 0MQ sockets.
* This function is experimental and may change in the future.
*
* @param socket an array of 0MQ Socket objects to poll.
* @param event an array of short values specifying what to poll for.
* @param revent an array of short values with the results.
* @param timeout the maximum timeout in microseconds.
*/
public native long poll (Socket[] socket,
short[] event,
short[] revent,
long timeout);
/** Initialize the JNI interface */
protected native void construct (int appThreads, int ioThreads, int flags);
/** Free all resources used by JNI interface. */
protected native void finalize ();
/**
* Get the underlying context handle.
* This is private because it is only accessed from JNI, where
* Java access controls are ignored.
*
* @return the internal 0MQ context handle.
*/
private long getContextHandle () {
return contextHandle;
}
/** Opaque data used by JNI driver. */
private long contextHandle;
}
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