Coverage Report - org.kuali.rice.ksb.api.bus.ServiceDefinition
 
Classes in this File Line Coverage Branch Coverage Complexity
ServiceDefinition
N/A
N/A
1
 
 1  
 /*
 2  
  * Copyright 2006-2011 The Kuali Foundation
 3  
  *
 4  
  * Licensed under the Educational Community License, Version 2.0 (the "License");
 5  
  * you may not use this file except in compliance with the License.
 6  
  * You may obtain a copy of the License at
 7  
  *
 8  
  * http://www.opensource.org/licenses/ecl2.php
 9  
  *
 10  
  * Unless required by applicable law or agreed to in writing, software
 11  
  * distributed under the License is distributed on an "AS IS" BASIS,
 12  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 13  
  * See the License for the specific language governing permissions and
 14  
  * limitations under the License.
 15  
  */
 16  
 
 17  
 package org.kuali.rice.ksb.api.bus;
 18  
 
 19  
 import java.net.URL;
 20  
 
 21  
 import javax.xml.namespace.QName;
 22  
 
 23  
 import org.kuali.rice.core.api.config.ConfigurationException;
 24  
 import org.kuali.rice.core.api.security.credentials.CredentialsType;
 25  
 import org.kuali.rice.ksb.api.registry.ServiceRegistry;
 26  
 
 27  
 
 28  
 
 29  
 /**
 30  
  * Defines the common parameters for the publication and export of a service
 31  
  * to the {@link ServiceBus} and {@link ServiceRegistry}.  Implementations of
 32  
  * this interface may define additional properties that are required for the
 33  
  * publication of services of that particular type.
 34  
  * 
 35  
  * @author Kuali Rice Team (rice.collab@kuali.org)
 36  
  */
 37  
 public interface ServiceDefinition {
 38  
         
 39  
         /**
 40  
          * Validates the service definition after creation of the service definition.
 41  
          * It's intended that portions of the KSB that handle publication and export
 42  
          * of services to the bus will execute this prior to successful export of
 43  
          * the service.
 44  
          * 
 45  
          * @throws ConfigurationException if this service definition is not
 46  
          * configured properly
 47  
          */
 48  
         void validate();
 49  
 
 50  
         /**
 51  
          * Establishes and returns an {@link Endpoint} to this service which
 52  
          * generates the {@link ServiceConfiguration} for this service definition
 53  
          * as well as including the actual service implementation as provided by
 54  
          * {@link #getService()}.
 55  
          * 
 56  
          * <p>The {@link #validate()} method should be invoked prior to executing
 57  
          * this method in order to ensure that the appropriate internal state for
 58  
          * the {@link ServiceDefinition} has been established.
 59  
          * 
 60  
          * @return the established endpoint, should never return null
 61  
          */
 62  
         Endpoint establishEndpoint();
 63  
         
 64  
         /**
 65  
          * Return the actual service implementation to publish and export to the
 66  
          * service bus.
 67  
          * 
 68  
          * @return the service to publish
 69  
          */
 70  
         Object getService();
 71  
         
 72  
         /**
 73  
          * Returns the qualified name for this service.
 74  
          * 
 75  
          * @return the qualified name for this service
 76  
          */
 77  
         QName getServiceName();
 78  
         
 79  
         /**
 80  
          * Returns the URL of the endpoint which provides this service.
 81  
          * 
 82  
          * @return the endpoint URL of the service
 83  
          */
 84  
         URL getEndpointUrl();
 85  
         
 86  
         /**
 87  
          * Returns the {@link ClassLoader} that should be set as the context
 88  
          * classloader on the thread prior to any invocations on the service
 89  
          * 
 90  
          * @return the classloader for this service
 91  
          */
 92  
         ClassLoader getServiceClassLoader();
 93  
         
 94  
         /**
 95  
          * Returns the url path to export the service under.
 96  
          * 
 97  
          * @return the url path to export the service under
 98  
          */
 99  
         String getServicePath();
 100  
         
 101  
         /**
 102  
          * Returns the id of the application which owns this service.
 103  
          * 
 104  
          * @return the id of the application which owns this service
 105  
          */
 106  
         String getApplicationId();
 107  
 
 108  
         /**
 109  
          * Returns the version of this service.
 110  
          * 
 111  
          * @return the version of this service
 112  
          */
 113  
         String getServiceVersion();
 114  
         
 115  
         /**
 116  
          * Returns the type of this service.
 117  
          * 
 118  
          * @return the type of this service
 119  
          */
 120  
         String getType();
 121  
         
 122  
         /**
 123  
          * Return true if this service uses queue-style messaging, false if it uses
 124  
          * topic-style messaging.
 125  
          * 
 126  
          * @return true if this service uses queue-style messaging, false if it uses
 127  
          * topic-style messaging
 128  
          */
 129  
         boolean isQueue();
 130  
         
 131  
         /**
 132  
          * Returns the processing priority for messages that are sent to this service.
 133  
          * 
 134  
          * @return the message processing priority for this service
 135  
          */
 136  
         Integer getPriority();
 137  
         
 138  
         /**
 139  
          * Returns the retry attempts to use when processing messages sent to this
 140  
          * service.
 141  
          * 
 142  
          * @return the retry attempts for this service
 143  
          */
 144  
         Integer getRetryAttempts();
 145  
         
 146  
         /**
 147  
          * Returns the maximum amount of milliseconds a message to this service can
 148  
          * live and attempt to be processed successfully by this service before it's
 149  
          * forced into processing by it's exception handler.
 150  
          *  
 151  
          * @return the maximum lifetime for this message, if null then this message has
 152  
          * an infinite lifetime
 153  
          */
 154  
         Long getMillisToLive();
 155  
         
 156  
         /**
 157  
          * Returns the name of the exception handler to invoke whenever messages to
 158  
          * this service fail to be sent.  If null, the default message exception
 159  
          * handler will be used.
 160  
          * 
 161  
          * @return the name of the message exception handler for this service, or
 162  
          * null if the default handler should be used
 163  
          */
 164  
         String getMessageExceptionHandler();
 165  
         
 166  
         /**
 167  
          * Returns true if this service is secured by standard KSB security features.
 168  
          * 
 169  
          * @return true if this service is secured, false otherwise
 170  
          */
 171  
         Boolean getBusSecurity();
 172  
         
 173  
         /**
 174  
          * Returns the type of security credentials that should be used when
 175  
          * attempting to authorize access to this service.
 176  
          * 
 177  
          * @return the type of security credentials to use when access this service
 178  
          */
 179  
         CredentialsType getCredentialsType();
 180  
         
 181  
 }