stateless EJB for calculation : Open EJB « EJB3 « Java
stateless EJB for calculation
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.superbiz.calculator;
import javax.ejb.Stateless;
/**
* This is an EJB 3 style pojo stateless session bean
* Every stateless session bean implementation must be annotated
* using the annotation @Stateless
* This EJB has 2 business interfaces: CalculatorRemote, a remote business
* interface, and CalculatorLocal, a local business interface
*
*/
//START SNIPPET: code
@Stateless
public class CalculatorImpl implements CalculatorRemote, CalculatorLocal {
public int sum(int add1, int add2) {
return add1+add2;
}
public int multiply(int mul1, int mul2) {
return mul1*mul2;
}
}
//END SNIPPET: code
///////////////
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.superbiz.calculator;
import javax.ejb.Remote;
/**
* This is an EJB 3 remote business interface
* A remote business interface must be annotated with the @Remote
* annotation
*/
//START SNIPPET: code
@Remote
public interface CalculatorRemote {
public int sum(int add1, int add2);
public int multiply(int mul1, int mul2);
}
//END SNIPPET: code
///////////////
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.superbiz.calculator;
/**
* This is an EJB 3 local business interface
* A local business interface may be annotated with the @Local
* annotation, but it's optional. A business interface which is
* not annotated with @Local or @Remote is assumed to be Local
*/
//START SNIPPET: code
public interface CalculatorLocal {
public int sum(int add1, int add2);
public int multiply(int mul1, int mul2);
}
//END SNIPPET: code
OpenEjBsimple-stateless.zip( 25 k)