private <S, T> NodeResult<T> executeCommandOnSingleNode(ClusterCommandCallback<S, T> cmd, RedisClusterNode node, int redirectCount) { Assert.notNull(cmd, "ClusterCommandCallback must not be null!"); Assert.notNull(node, "RedisClusterNode must not be null!"); if (redirectCount > maxRedirects) { throw new TooManyClusterRedirectionsException(String.format( "Cannot follow Cluster Redirects over more than %s legs. Please consider increasing the number of redirects to follow. Current value is: %s.", redirectCount, maxRedirects)); } RedisClusterNode nodeToUse = lookupNode(node); S client = this.resourceProvider.getResourceForSpecificNode(nodeToUse); Assert.notNull(client, "Could not acquire resource for node. Is your cluster info up to date?"); try { return new NodeResult<>(node, cmd.doInCluster(client)); } catch (RuntimeException ex) { RuntimeException translatedException = convertToDataAccessException(ex); if (translatedException instanceof ClusterRedirectException) { ClusterRedirectException cre = (ClusterRedirectException) translatedException; return executeCommandOnSingleNode(cmd, topologyProvider.getTopology().lookup(cre.getTargetHost(), cre.getTargetPort()), redirectCount + 1); } else { throw translatedException != null ? translatedException : ex; } } finally { this.resourceProvider.returnResourceForSpecificNode(nodeToUse, client); } }
private <S, T> NodeResult<T> executeCommandOnSingleNode(ClusterCommandCallback<S, T> cmd, RedisClusterNode node, int redirectCount) { Assert.notNull(cmd, "ClusterCommandCallback must not be null!"); Assert.notNull(node, "RedisClusterNode must not be null!"); if (redirectCount > maxRedirects) { throw new TooManyClusterRedirectionsException(String.format( "Cannot follow Cluster Redirects over more than %s legs. Please consider increasing the number of redirects to follow. Current value is: %s.", redirectCount, maxRedirects)); } RedisClusterNode nodeToUse = lookupNode(node); S client = this.resourceProvider.getResourceForSpecificNode(nodeToUse); Assert.notNull(client, "Could not acquire resource for node. Is your cluster info up to date?"); try { return new NodeResult<>(node, cmd.doInCluster(client)); } catch (RuntimeException ex) { RuntimeException translatedException = convertToDataAccessException(ex); if (translatedException instanceof ClusterRedirectException) { ClusterRedirectException cre = (ClusterRedirectException) translatedException; return executeCommandOnSingleNode(cmd, topologyProvider.getTopology().lookup(cre.getTargetHost(), cre.getTargetPort()), redirectCount + 1); } else { throw translatedException != null ? translatedException : ex; } } finally { this.resourceProvider.returnResourceForSpecificNode(nodeToUse, client); } }
private <S, T> NodeResult<T> executeCommandOnSingleNode(ClusterCommandCallback<S, T> cmd, RedisClusterNode node, int redirectCount) { Assert.notNull(cmd, "ClusterCommandCallback must not be null!"); Assert.notNull(node, "RedisClusterNode must not be null!"); if (redirectCount > maxRedirects) { throw new TooManyClusterRedirectionsException(String.format( "Cannot follow Cluster Redirects over more than %s legs. Please consider increasing the number of redirects to follow. Current value is: %s.", redirectCount, maxRedirects)); } RedisClusterNode nodeToUse = lookupNode(node); S client = this.resourceProvider.getResourceForSpecificNode(nodeToUse); Assert.notNull(client, "Could not acquire resource for node. Is your cluster info up to date?"); try { return new NodeResult<>(node, cmd.doInCluster(client)); } catch (RuntimeException ex) { RuntimeException translatedException = convertToDataAccessException(ex); if (translatedException instanceof ClusterRedirectException) { ClusterRedirectException cre = (ClusterRedirectException) translatedException; return executeCommandOnSingleNode(cmd, topologyProvider.getTopology().lookup(cre.getTargetHost(), cre.getTargetPort()), redirectCount + 1); } else { throw translatedException != null ? translatedException : ex; } } finally { this.resourceProvider.returnResourceForSpecificNode(nodeToUse, client); } }