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Artifact with proxy functionality for plain remote procedure calls
(RPC), a POJO alternative to RMI.
// /////////////////////////////////////////////////////////////////////////////
// REFCODES.ORG
// =============================================================================
// This code is copyright (c) by Siegfried Steiner, Munich, Germany, distributed
// on an "AS IS" BASIS WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, and licen-
// sed under the following (see "http://en.wikipedia.org/wiki/Multi-licensing")
// licenses:
// =============================================================================
// GNU General Public License, v3.0 ("http://www.gnu.org/licenses/gpl-3.0.html")
// together with the GPL linking exception applied; as being applied by the GNU
// Classpath ("http://www.gnu.org/software/classpath/license.html")
// =============================================================================
// Apache License, v2.0 ("http://www.apache.org/licenses/TEXT-2.0")
// =============================================================================
// Please contact the copyright holding author(s) of the software artifacts in
// question for licensing issues not being covered by the above listed licenses,
// also regarding commercial licensing models or regarding the compatibility
// with other open source licenses.
// /////////////////////////////////////////////////////////////////////////////
package org.refcodes.remoting;
import java.io.Serializable;
import java.lang.reflect.Method;
import org.refcodes.mixin.Clearable;
/**
* The {@link MethodRequestDescriptor} describes a request.
*/
class MethodRequestDescriptor implements MethodRequest, Serializable {
private static final long serialVersionUID = 1L;
private Object[] _argumentArray;
private String _instanceId;
private String _methodName;
private Class>[] _parameterTypes;
private String _sessionId;
/**
* Creates a new MethodRequestDescriptor object.
*/
public MethodRequestDescriptor() {}
/**
* Creates a new MethodRequestDescriptor object.
*
* @param aMethodRequestDescriptor The {@link MethodRequest} in question.
*/
public MethodRequestDescriptor( MethodRequest aMethodRequestDescriptor ) {
_instanceId = aMethodRequestDescriptor.getInstanceId();
_sessionId = aMethodRequestDescriptor.getSessionId();
_argumentArray = aMethodRequestDescriptor.getArgumentArray();
_methodName = aMethodRequestDescriptor.getMethodName();
_parameterTypes = aMethodRequestDescriptor.getArgumentTypeArray();
}
/**
* Creates a new MethodRequestDescriptor object.
*
* @param aMethod The method in question.
* @param aArguments The arguments to be used for invoking the method.
* @param aInstanceId The instance ID of the request.
* @param aSessionId The session ID for this request.
*/
public MethodRequestDescriptor( Method aMethod, Object[] aArguments, String aInstanceId, String aSessionId ) {
_instanceId = aInstanceId;
_sessionId = aSessionId;
_argumentArray = aArguments;
_methodName = aMethod.getName();
_parameterTypes = aMethod.getParameterTypes();
}
/**
* {@inheritDoc}
*/
@Override
public boolean equals( Object obj ) {
if ( obj instanceof Method method ) {
if ( !_methodName.equals( method.getName() ) ) {
return false;
}
if ( _parameterTypes.length != method.getParameterTypes().length ) {
return false;
}
final int theLength = _parameterTypes.length;
boolean isMatch;
for ( int i = 0; i < theLength; i++ ) {
isMatch = false;
for ( int l = 0; l < theLength; l++ ) {
if ( _parameterTypes[i].equals( method.getParameterTypes()[l] ) ) {
isMatch = true;
break;
}
}
if ( !isMatch ) {
return false;
}
}
return true;
}
else if ( obj instanceof MethodRequest ) {
final MethodRequest method = (MethodRequest) obj;
if ( !_methodName.equals( method.getMethodName() ) ) {
return false;
}
if ( _parameterTypes.length != method.getArgumentTypeArray().length ) {
return false;
}
final int theLength = _parameterTypes.length;
boolean isMatch;
for ( int i = 0; i < theLength; i++ ) {
isMatch = false;
for ( int l = 0; l < theLength; l++ ) {
if ( _parameterTypes[i].equals( method.getArgumentTypeArray()[l] ) ) {
isMatch = true;
break;
}
}
if ( !isMatch ) {
return false;
}
}
return true;
}
return false;
}
/**
* {@inheritDoc}
*/
@Override
public Object[] getArgumentArray() {
return _argumentArray;
}
/**
* {@inheritDoc}
*/
@Override
public Class>[] getArgumentTypeArray() {
/*
* Class>[] parameterTypes = new Class>[_parameterTypes.length]; for
* (int i = 0; i < _parameterTypes.length; i++) {if
* (_parameterTypes[i].equals(Boolean.class))parameterTypes[i] =
* Boolean.TYPE;elseparameterTypes[i] = _parameterTypes[i];}return
* parameterTypes;
*/
return _parameterTypes;
}
/**
* {@inheritDoc}
*/
@Override
public String getInstanceId() {
return _instanceId;
}
/**
* {@inheritDoc}
*/
@Override
public String getMethodName() {
return _methodName;
}
/**
* {@inheritDoc}
*/
@Override
public String getSessionId() {
return _sessionId;
}
/**
* {@inheritDoc}
*/
@Override
public String toString() {
String out = super.toString() + "\n" + "instance id = " + _instanceId + "\n" + "session id = " + _sessionId + "\n" + "name = " + _methodName + "\n";
if ( _argumentArray != null ) {
for ( int i = 0; i < _argumentArray.length; i++ ) {
out += "arguments[" + i + "] = " + _argumentArray[i] + "\n";
}
}
return out;
}
/**
* Sets the argument array.
*
* @param arguments Description is currently not available!
*/
protected void setArgumentArray( Object[] arguments ) {
_argumentArray = arguments;
if ( _argumentArray != null ) {
for ( int i = 0; i < _argumentArray.length; i++ ) {
_argumentArray[i] = SerializeUtility.toSerializable( _argumentArray[i] );
}
}
}
/**
* Sets the instance id.
*
* @param instanceId Description is currently not available!
*/
protected void setInstanceId( String instanceId ) {
_instanceId = instanceId;
}
/**
* Sets the method name.
*
* @param aMethodName Description is currently not available!
*/
protected void setMethodName( String aMethodName ) {
_methodName = aMethodName;
}
/**
* Sets the method request descriptor.
*
* @param methodRequestDescriptor Description is currently not available!
*/
protected void setMethodRequestDescriptor( MethodRequest methodRequestDescriptor ) {
_instanceId = methodRequestDescriptor.getInstanceId();
_methodName = methodRequestDescriptor.getMethodName();
_argumentArray = methodRequestDescriptor.getArgumentArray();
_parameterTypes = methodRequestDescriptor.getArgumentTypeArray();
_sessionId = methodRequestDescriptor.getSessionId();
}
/**
* Sets the parameter types.
*
* @param parameterTypes Description is currently not available!
*/
protected void setParameterTypes( Class>[] parameterTypes ) {
_parameterTypes = parameterTypes;
}
/**
* Sets the session id.
*
* @param sessionId Description is currently not available!
*/
protected void setSessionId( String sessionId ) {
_sessionId = sessionId;
}
/**
* Same as {@link Clearable#clear()}.
*/
protected void clear() {
_instanceId = null;
_parameterTypes = null;
_sessionId = null;
_argumentArray = null;
_methodName = null;
}
}
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