com.viaoa.sync.remote.RemoteServerImpl Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of oa-core Show documentation
Object Automation library
The newest version!
/*  Copyright 1999 Vince Via [email protected]
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
*/
package com.viaoa.sync.remote;

import java.lang.reflect.Method;
import java.util.logging.Logger;

import com.viaoa.datasource.OADataSource;
import com.viaoa.hub.Hub;
import com.viaoa.object.OAObject;
import com.viaoa.object.OAObjectCacheDelegate;
import com.viaoa.object.OAObjectDelegate;
import com.viaoa.object.OAObjectInfo;
import com.viaoa.object.OAObjectInfoDelegate;
import com.viaoa.object.OAObjectKey;
import com.viaoa.object.OAThreadLocalDelegate;
import com.viaoa.sync.OASyncDelegate;
import com.viaoa.sync.model.ClientInfo;

/**
 * Server side remote object for clients to use.
 */
public abstract class RemoteServerImpl implements RemoteServerInterface {
	private static Logger LOG = Logger.getLogger(RemoteServerImpl.class.getName());

	@Override
	public String ping(String msg) {
		return msg;
	}

	@Override
	public void ping2(String msg) {
	}

	@Override
	public String getDisplayMessage() {
		return "OASyncServer";
	}

	@Override
	public boolean save(Class objectClass, OAObjectKey objectKey, int iCascadeRule) {
		boolean bPrev = OAThreadLocalDelegate.setSendMessages(true);
		OAObject obj = (OAObject) OAObjectCacheDelegate.getObject(objectClass, objectKey);
		boolean bResult;
		if (obj != null) {
			obj.save(iCascadeRule);
			bResult = true;
		} else {
			bResult = false;
		}

		OAThreadLocalDelegate.setSendMessages(bPrev);
		return bResult;
	}

	@Override
	public int getNextFiftyObjectGuids() {
		return OAObjectDelegate.getNextFiftyGuids();
	}

	@Override
	public OAObject getObject(Class objectClass, OAObjectKey objectKey) {
		OAObject obj = (OAObject) OAObjectCacheDelegate.getObject(objectClass, objectKey);
		if (obj == null) {
			if (OASyncDelegate.isServer(objectClass)) {
				obj = (OAObject) OADataSource.getObject(objectClass, objectKey);
			}
		}
		return obj;
	}

	@Override
	public Object runRemoteMethod(Class clazz, OAObjectKey objKey, String methodName, Object[] args) {
		Object obj = getObject(clazz, objKey);
		if (obj == null) {
			throw new RuntimeException("Object could not be found, class=" + clazz + ", objKey=" + objKey);
		}
		OAObjectInfo oi = OAObjectInfoDelegate.getObjectInfo(clazz);

		int x = 0;
		if (args != null && args.length > 0) {
			x += args.length;
		}
		Method method = OAObjectInfoDelegate.getMethod(oi, methodName, x);

		if (method == null) {
			throw new RuntimeException("method " + methodName + " not found in class " + clazz.getSimpleName());
		}
		Object objResult = null;
		try {
			objResult = method.invoke(obj, args);
		} catch (Exception e) {
			throw new RuntimeException("exception calling method=" + methodName + ", class=" + clazz.getSimpleName(), e);
		}
		return objResult;
	}

	@Override
	public Object runRemoteMethod(Hub hub, String methodName, Object[] args) {
		if (hub == null) {
			return null;
		}
		Class clazz = hub.getObjectClass();
		OAObjectInfo oi = OAObjectInfoDelegate.getObjectInfo(clazz);

		int x = 1;
		if (args != null && args.length > 0) {
			x += args.length;
		}
		Method method = OAObjectInfoDelegate.getMethod(oi, methodName, x);

		if (method == null) {
			throw new RuntimeException("method " + methodName + " not found in class " + clazz.getSimpleName());
		}
		Object objResult = null;
		try {
			Object[] objs = new Object[x];
			objs[0] = hub;
			if (x > 1) {
				System.arraycopy(args, 0, objs, 1, x - 1);
			}
			objResult = method.invoke(null, objs);
		} catch (Exception e) {
			throw new RuntimeException("exception calling method=" + methodName + ", class=" + clazz.getSimpleName() + ", hub=" + hub, e);
		}
		return objResult;
	}

	@Override
	public abstract RemoteClientInterface getRemoteClient(ClientInfo clientInfo);

	@Override
	public abstract RemoteSessionInterface getRemoteSession(ClientInfo clientInfo, RemoteClientCallbackInterface callback);

	@Override
	public String performThreadDump(String msg) {
		String s = OAThreadLocalDelegate.getAllStackTraces();
		LOG.warning(msg + "\n" + s);
		return s;
	}

}