/*
* Copyright (c) 2015 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.network.service.rmi;
import com.jme3.network.serializing.Serializable;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import javax.jws.Oneway;
/**
* Internal information about shared methods. This is part of the data that
* is passed over the wire when an object is shared.
*
* @author Paul Speed
*/
@Serializable
public final class MethodInfo {
public static final MethodInfo NULL_INFO = new MethodInfo();
private String representation;
private short id;
private CallType callType;
private transient Method method;
/**
* For serialization only.
*/
public MethodInfo() {
}
public MethodInfo( short id, Method m ) {
this.id = id;
this.method = m;
this.representation = methodToString(m);
this.callType = getCallType(m);
}
public Object invoke( Object target, Object... parms ) {
try {
return method.invoke(target, parms);
} catch (IllegalAccessException e) {
throw new RuntimeException("Error invoking:" + method + " on:" + target, e);
} catch (IllegalArgumentException e) {
throw new RuntimeException("Error invoking:" + method + " on:" + target, e);
} catch (InvocationTargetException e) {
throw new RuntimeException("Error invoking:" + method + " on:" + target, e);
}
}
public short getId() {
return id;
}
public CallType getCallType() {
return callType;
}
public boolean matches( Method m ) {
return representation.equals(methodToString(m));
}
public static String methodToString( Method m ) {
StringBuilder sb = new StringBuilder();
for( Class t : m.getParameterTypes() ) {
if( sb.length() > 0 )
sb.append(", ");
sb.append(t.getName());
}
return m.getReturnType().getName() + " " + m.getName() + "(" + sb + ")";
}
public static CallType getCallType( Method m ) {
if( m.getReturnType() != Void.TYPE )
return CallType.Synchronous;
if( m.getAnnotation(Oneway.class) != null )
return CallType.Asynchronous;
if( m.getAnnotation(Asynchronous.class) == null )
return CallType.Synchronous;
Asynchronous async = m.getAnnotation(Asynchronous.class);
return async.reliable() ? CallType.Asynchronous : CallType.Unreliable;
}
@Override
public int hashCode() {
return representation.hashCode();
}
@Override
public boolean equals( Object o ) {
if( o == this ) {
return true;
}
if( o == null || o.getClass() != getClass() ) {
return false;
}
MethodInfo other = (MethodInfo)o;
return representation.equals(other.representation);
}
@Override
public String toString() {
return "MethodInfo[#" + getId() + ", callType=" + callType + ", " + representation + "]";
}
}