| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| ServiceDefinition | 
  | 
  | 1.0;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 | }  |