X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Forg%2Fonap%2Fdmaap%2Fdmf%2Fmr%2Fmetabroker%2FTopic.java;fp=src%2Fmain%2Fjava%2Forg%2Fonap%2Fdmaap%2Fdmf%2Fmr%2Fmetabroker%2FTopic.java;h=04df4b49facfbad7612dcb170189bb58e7b0c5b4;hb=f052f758c29fa92c21578514202268f3b0430a1a;hp=0000000000000000000000000000000000000000;hpb=388410f85e44de41ef9b340f44c0b4b1b0af59b6;p=dmaap%2Fmessagerouter%2Fmessageservice.git diff --git a/src/main/java/org/onap/dmaap/dmf/mr/metabroker/Topic.java b/src/main/java/org/onap/dmaap/dmf/mr/metabroker/Topic.java new file mode 100644 index 0000000..04df4b4 --- /dev/null +++ b/src/main/java/org/onap/dmaap/dmf/mr/metabroker/Topic.java @@ -0,0 +1,134 @@ +/******************************************************************************* + * ============LICENSE_START======================================================= + * org.onap.dmaap + * ================================================================================ + * Copyright © 2017 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * 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. + * ============LICENSE_END========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + * + *******************************************************************************/ +package org.onap.dmaap.dmf.mr.metabroker; + +import com.att.nsa.configs.ConfigDbException; +import com.att.nsa.security.NsaAcl; +import com.att.nsa.security.NsaApiKey; +import com.att.nsa.security.ReadWriteSecuredResource; + +/** + * This is the interface for topic and all the topic related operations + * get topic name, owner, description, transactionEnabled etc. + * @author nilanjana.maity + * + */ +public interface Topic extends ReadWriteSecuredResource +{ + /** + * User defined exception for access denied while access the topic for Publisher and consumer + * @author nilanjana.maity + * + *//* + public class AccessDeniedException extends Exception + + *//** + * AccessDenied Description + *//* + + *//** + * AccessDenied Exception for the user while authenticating the user request + * @param user + *//* + + private static final long serialVersionUID = 1L; + }*/ + + /** + * Get this topic's name + * @return + */ + String getName (); + + /** + * Get the API key of the owner of this topic. + * @return + */ + String getOwner (); + + /** + * Get a description of the topic, as set by the owner at creation time. + * @return + */ + String getDescription (); + + /** + * If the topic is transaction enabled + * @return boolean true/false + */ + boolean isTransactionEnabled(); + + /** + * Get the ACL for reading on this topic. Can be null. + * @return + */ + NsaAcl getReaderAcl (); + + /** + * Get the ACL for writing on this topic. Can be null. + * @return + */ + NsaAcl getWriterAcl (); + + /** + * Check if this user can read the topic. Throw otherwise. Note that + * user may be null. + * @param user + */ + void checkUserRead ( NsaApiKey user ) throws AccessDeniedException; + + /** + * Check if this user can write to the topic. Throw otherwise. Note + * that user may be null. + * @param user + */ + void checkUserWrite ( NsaApiKey user ) throws AccessDeniedException; + + /** + * allow the given user to publish + * @param publisherId + * @param asUser + */ + void permitWritesFromUser ( String publisherId, NsaApiKey asUser ) throws AccessDeniedException, ConfigDbException; + + /** + * deny the given user from publishing + * @param publisherId + * @param asUser + */ + void denyWritesFromUser ( String publisherId, NsaApiKey asUser ) throws AccessDeniedException, ConfigDbException; + + /** + * allow the given user to read the topic + * @param consumerId + * @param asUser + */ + void permitReadsByUser ( String consumerId, NsaApiKey asUser ) throws AccessDeniedException, ConfigDbException; + + /** + * deny the given user from reading the topic + * @param consumerId + * @param asUser + * @throws ConfigDbException + */ + void denyReadsByUser ( String consumerId, NsaApiKey asUser ) throws AccessDeniedException, ConfigDbException; +}