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 2005-2011 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  
 package org.kuali.rice.ksb.api.bus;
 17  
 
 18  
 import java.net.URL;
 19  
 
 20  
 import javax.xml.namespace.QName;
 21  
 
 22  
 import org.kuali.rice.core.api.config.ConfigurationException;
 23  
 import org.kuali.rice.core.api.security.credentials.CredentialsType;
 24  
 import org.kuali.rice.ksb.api.registry.ServiceRegistry;
 25  
 
 26  
 
 27  
 
 28  
 /**
 29  
  * Defines the common parameters for the publication and export of a service
 30  
  * to the {@link ServiceBus} and {@link ServiceRegistry}.  Implementations of
 31  
  * this interface may define additional properties that are required for the
 32  
  * publication of services of that particular type.
 33  
  * 
 34  
  * @author Kuali Rice Team (rice.collab@kuali.org)
 35  
  */
 36  
 public interface ServiceDefinition {
 37  
         
 38  
         /**
 39  
          * Validates the service definition after creation of the service definition.
 40  
          * It's intended that portions of the KSB that handle publication and export
 41  
          * of services to the bus will execute this prior to successful export of
 42  
          * the service.
 43  
          * 
 44  
          * @throws ConfigurationException if this service definition is not
 45  
          * configured properly
 46  
          */
 47  
         void validate();
 48  
 
 49  
         /**
 50  
          * Establishes and returns an {@link Endpoint} to this service which
 51  
          * generates the {@link ServiceConfiguration} for this service definition
 52  
          * as well as including the actual service implementation as provided by
 53  
          * {@link #getService()}.
 54  
          * 
 55  
          * <p>The {@link #validate()} method should be invoked prior to executing
 56  
          * this method in order to ensure that the appropriate internal state for
 57  
          * the {@link ServiceDefinition} has been established.
 58  
          * 
 59  
          * @return the established endpoint, should never return null
 60  
          */
 61  
         Endpoint establishEndpoint();
 62  
         
 63  
         /**
 64  
          * Return the actual service implementation to publish and export to the
 65  
          * service bus.
 66  
          * 
 67  
          * @return the service to publish
 68  
          */
 69  
         Object getService();
 70  
         
 71  
         /**
 72  
          * Returns the qualified name for this service.
 73  
          * 
 74  
          * @return the qualified name for this service
 75  
          */
 76  
         QName getServiceName();
 77  
         
 78  
         /**
 79  
          * Returns the URL of the endpoint which provides this service.
 80  
          * 
 81  
          * @return the endpoint URL of the service
 82  
          */
 83  
         URL getEndpointUrl();
 84  
         
 85  
         /**
 86  
          * Returns the {@link ClassLoader} that should be set as the context
 87  
          * classloader on the thread prior to any invocations on the service
 88  
          * 
 89  
          * @return the classloader for this service
 90  
          */
 91  
         ClassLoader getServiceClassLoader();
 92  
         
 93  
         /**
 94  
          * Returns the url path to export the service under.
 95  
          * 
 96  
          * @return the url path to export the service under
 97  
          */
 98  
         String getServicePath();
 99  
 
 100  
     /**
 101  
          * Returns the id of the specific instance of the application which owns this service
 102  
          *
 103  
          * @return the id of the specific instance of the application which owns this service
 104  
          */
 105  
         String getInstanceId();
 106  
 
 107  
         /**
 108  
          * Returns the id of the application which owns this service.
 109  
          * 
 110  
          * @return the id of the application which owns this service
 111  
          */
 112  
         String getApplicationId();
 113  
 
 114  
         /**
 115  
          * Returns the version of this service.
 116  
          * 
 117  
          * @return the version of this service
 118  
          */
 119  
         String getServiceVersion();
 120  
         
 121  
         /**
 122  
          * Returns the type of this service.
 123  
          * 
 124  
          * @return the type of this service
 125  
          */
 126  
         String getType();
 127  
         
 128  
         /**
 129  
          * Return true if this service uses queue-style messaging, false if it uses
 130  
          * topic-style messaging.
 131  
          * 
 132  
          * @return true if this service uses queue-style messaging, false if it uses
 133  
          * topic-style messaging
 134  
          */
 135  
         boolean isQueue();
 136  
         
 137  
         /**
 138  
          * Returns the processing priority for messages that are sent to this service.
 139  
          * 
 140  
          * @return the message processing priority for this service
 141  
          */
 142  
         Integer getPriority();
 143  
         
 144  
         /**
 145  
          * Returns the retry attempts to use when processing messages sent to this
 146  
          * service.
 147  
          * 
 148  
          * @return the retry attempts for this service
 149  
          */
 150  
         Integer getRetryAttempts();
 151  
         
 152  
         /**
 153  
          * Returns the maximum amount of milliseconds a message to this service can
 154  
          * live and attempt to be processed successfully by this service before it's
 155  
          * forced into processing by it's exception handler.
 156  
          *  
 157  
          * @return the maximum lifetime for this message, if null then this message has
 158  
          * an infinite lifetime
 159  
          */
 160  
         Long getMillisToLive();
 161  
         
 162  
         /**
 163  
          * Returns the name of the exception handler to invoke whenever messages to
 164  
          * this service fail to be sent.  If null, the default message exception
 165  
          * handler will be used.
 166  
          * 
 167  
          * @return the name of the message exception handler for this service, or
 168  
          * null if the default handler should be used
 169  
          */
 170  
         String getMessageExceptionHandler();
 171  
         
 172  
         /**
 173  
          * Returns true if this service is secured by standard KSB security features.
 174  
          * 
 175  
          * @return true if this service is secured, false otherwise
 176  
          */
 177  
         Boolean getBusSecurity();
 178  
         
 179  
         /**
 180  
          * Returns the type of security credentials that should be used when
 181  
          * attempting to authorize access to this service.
 182  
          * 
 183  
          * @return the type of security credentials to use when access this service
 184  
          */
 185  
         CredentialsType getCredentialsType();
 186  
 
 187  
     /**
 188  
          * Returns the name of the cache manager to use. If null or blank then caching is effectively
 189  
      * disabled for this service.
 190  
          *
 191  
          * @return the cache manager name or null
 192  
          */
 193  
     String getCacheManager();
 194  
         
 195  
 }