[infinispan-issues] [JBoss JIRA] Assigned: (ISPN-1084) support optimistic locking with ETags and If-Match in rest server

support optimistic locking with ETags and If-Match in rest server ----------------------------------------------------------------- Key: ISPN-1084 URL: https://issues.jboss.org/browse/ISPN-1084 Project: Infinispan Issue Type: Feature Request Components: Cache Server Affects Versions: 4.2.2.BETA1, 5.0.0.CR1 Reporter: Michal Linhard Assignee: Tristan Tarrant Fix For: 5.1.0.BETA1, 5.1.0.FINAL currently it is not possible to do optimistic locking using the ETag feature in the REST server, because the "If-Match" HTTP header is ignored. We allow to put a value many times with the same "If-Match" header, but according to the spec: {quote} "A request intended to update a resource (e.g., a PUT) MAY include an If-Match header field to signal that the request method MUST NOT be applied if the entity corresponding to the If-Match value (a single entity tag) is no longer a representation of that resource. This allows the user to indicate that they do not wish the request to be successful if the resource has been changed without their knowledge. " {quote} (copied from http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.24)