/*

 * Copyright (c) 2006, 2018, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code 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 GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package nsk.share.jdi;

import com.sun.jdi.*;

import com.sun.jdi.event.*;

/*

 * Classes included in this class represent JDI events on debugger VM's side

 * All this classes contain information about JDI event which should be generated during test execution,

 * instances of this classes should be created using instances of corresponding classes from debuggee VM

 */

public class DebuggerEventData

{

    static abstract class DebugEventData

    {

        protected Class<?> eventClass;

        public DebugEventData(Class<?> eventClass) {

            this.eventClass = eventClass;

        }

        public boolean shouldCheckEvent(Event event) {

            return this.eventClass.isAssignableFrom(event.getClass());

        }

        // is given event's data identical with data stored in this object

        abstract public boolean checkEvent(Event event);

    }

    /*

     * debug information about monitor event

     */

    static abstract class DebugMonitorEventData extends DebugEventData {

        protected ObjectReference monitor;

        protected ThreadReference thread;

        public DebugMonitorEventData(Class<?> eventClass, ObjectReference debuggeeMirror) {

            super(eventClass);

            this.eventClass = eventClass;

            monitor = (ObjectReference) debuggeeMirror.getValue(debuggeeMirror.referenceType().fieldByName("monitor"));

            thread = (ThreadReference) debuggeeMirror.getValue(debuggeeMirror.referenceType().fieldByName("thread"));

        }

        public String toString() {

            return eventClass.getName() + " monitor: " + monitor + " thread: " + thread;

        }

    }

    /*

     * information about MonitorContendedEnterEvent

     */

    static class DebugMonitorEnterEventData extends DebugMonitorEventData {

        public DebugMonitorEnterEventData(ObjectReference debuggeeMirror) {

            super(MonitorContendedEnterEvent.class, debuggeeMirror);

        }

        public boolean checkEvent(Event event) {

            MonitorContendedEnterEvent monitorEnterEvent = (MonitorContendedEnterEvent) event;

            return monitorEnterEvent.monitor().equals(monitor) && monitorEnterEvent.thread().equals(thread);

        }

    }

    /*

     * information about MonitorContendedEnteredEvent

     */

    static class DebugMonitorEnteredEventData extends DebugMonitorEventData {

        public DebugMonitorEnteredEventData(ObjectReference debuggeeMirror) {

            super(MonitorContendedEnteredEvent.class, debuggeeMirror);

        }

        public boolean checkEvent(Event event) {

            MonitorContendedEnteredEvent monitorEnterEvent = (MonitorContendedEnteredEvent) event;

            return monitorEnterEvent.monitor().equals(monitor) && monitorEnterEvent.thread().equals(thread);

        }

    }

    /*

     * information about MonitorWaitEvent

     */

    static class DebugMonitorWaitEventData extends DebugMonitorEventData {

        private long timeout;

        public DebugMonitorWaitEventData(ObjectReference debuggeeMirror) {

            super(MonitorWaitEvent.class, debuggeeMirror);

            timeout = ((LongValue) debuggeeMirror.getValue(debuggeeMirror.referenceType().fieldByName("timeout"))).longValue();

        }

        public boolean checkEvent(Event event) {

            MonitorWaitEvent monitorWaitEvent = (MonitorWaitEvent) event;

            return monitorWaitEvent.monitor().equals(monitor) && monitorWaitEvent.thread().equals(thread) && (monitorWaitEvent.timeout() == timeout);

        }

        public String toString() {

            return eventClass.getName() + " monitor: " + monitor + " thread: " + thread + " timeout: " + timeout;

        }

    }

    /*

     * information about MonitorWaitedEvent

     */

    static class DebugMonitorWaitedEventData extends DebugMonitorEventData {

        private boolean timedout;

        public DebugMonitorWaitedEventData(ObjectReference debuggeeMirror) {

            super(MonitorWaitedEvent.class, debuggeeMirror);

            timedout = ((BooleanValue) debuggeeMirror.getValue(debuggeeMirror.referenceType().fieldByName("timedout"))).booleanValue();

        }

        public boolean checkEvent(Event event) {

            MonitorWaitedEvent monitorWaitedEvent = (MonitorWaitedEvent) event;

            return monitorWaitedEvent.monitor().equals(monitor) && monitorWaitedEvent.thread().equals(thread)

                    && (monitorWaitedEvent.timedout() == timedout);

        }

        public String toString() {

            return eventClass.getName() + " monitor: " + monitor + " thread: " + thread + " timedout: " + timedout;

        }

    }

}