org.freedesktop.dbus.connections.base.PendingCallbackManager Maven / Gradle / Ivy

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Improved version of the DBus-Java library provided by freedesktop.org (https://dbus.freedesktop.org/doc/dbus-java/). This is the OSGi compliant bundle of all required libraries in one bundle.

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package org.freedesktop.dbus.connections.base;

import org.freedesktop.dbus.DBusAsyncReply;
import org.freedesktop.dbus.connections.AbstractConnection;
import org.freedesktop.dbus.interfaces.CallbackHandler;
import org.freedesktop.dbus.messages.MethodCall;

import java.lang.reflect.Method;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

public class PendingCallbackManager {
    private final Map> pendingCallbacks;
    private final Map>                 pendingCallbackReplys;

    PendingCallbackManager() {
        pendingCallbacks = new ConcurrentHashMap<>();
        pendingCallbackReplys = new ConcurrentHashMap<>();
    }

    public synchronized void queueCallback(MethodCall _call, Method _method, CallbackHandler _callback, AbstractConnection _connection) {
        pendingCallbacks.put(_call, _callback);
        pendingCallbackReplys.put(_call, new DBusAsyncReply<>(_call, _method, _connection));

    }

    public synchronized CallbackHandler removeCallback(MethodCall _methodCall) {
        pendingCallbackReplys.remove(_methodCall);
        return pendingCallbacks.remove(_methodCall);
    }

    public synchronized CallbackHandler getCallback(MethodCall _methodCall) {
        return pendingCallbacks.get(_methodCall);
    }

    public synchronized DBusAsyncReply getCallbackReply(MethodCall _methodCall) {
        return pendingCallbackReplys.get(_methodCall);
    }

}