| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| package org.apache.sling.distribution.queue.impl.resource; |
| |
| import org.apache.sling.api.resource.LoginException; |
| import org.apache.sling.api.resource.PersistenceException; |
| import org.apache.sling.api.resource.Resource; |
| import org.apache.sling.api.resource.ResourceResolver; |
| import org.apache.sling.api.resource.ResourceResolverFactory; |
| import org.apache.sling.distribution.queue.DistributionQueueEntry; |
| import org.apache.sling.distribution.queue.DistributionQueueItem; |
| import org.apache.sling.distribution.queue.DistributionQueueState; |
| import org.apache.sling.distribution.queue.DistributionQueueStatus; |
| import org.apache.sling.distribution.queue.DistributionQueueType; |
| import org.apache.sling.distribution.queue.spi.DistributionQueue; |
| import org.apache.sling.distribution.util.impl.DistributionUtils; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.List; |
| |
| |
| public class ResourceQueue implements DistributionQueue { |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| |
| private final ResourceResolverFactory resolverFactory; |
| private String serviceName; |
| private String queueName; |
| private final String queueRootPath; |
| |
| public ResourceQueue(ResourceResolverFactory resolverFactory, String serviceName, String queueName, String rootPath) { |
| this.resolverFactory = resolverFactory; |
| this.serviceName = serviceName; |
| this.queueName = queueName; |
| this.queueRootPath = rootPath + "/" + queueName; |
| } |
| |
| @NotNull |
| @Override |
| public String getName() { |
| return queueName; |
| } |
| |
| @Nullable |
| @Override |
| public DistributionQueueEntry add(@NotNull DistributionQueueItem item) { |
| |
| ResourceResolver resourceResolver = null; |
| try { |
| resourceResolver = DistributionUtils.loginService(resolverFactory, serviceName); |
| |
| Resource queueRoot = ResourceQueueUtils.getRootResource(resourceResolver, queueRootPath); |
| |
| Resource resource = ResourceQueueUtils.createResource(queueRoot, item); |
| |
| DistributionQueueEntry entry = ResourceQueueUtils.readEntry(queueRoot, resource); |
| |
| logEntry(entry, "add"); |
| |
| return entry; |
| |
| } catch (LoginException e) { |
| throw new RuntimeException(e); |
| } catch (PersistenceException e) { |
| throw new RuntimeException(e); |
| } finally { |
| DistributionUtils.safelyLogout(resourceResolver); |
| } |
| } |
| |
| |
| @Override |
| public DistributionQueueEntry getHead() { |
| ResourceResolver resourceResolver = null; |
| try { |
| resourceResolver = DistributionUtils.loginService(resolverFactory, serviceName); |
| Resource queueRoot = ResourceQueueUtils.getRootResource(resourceResolver, queueRootPath); |
| |
| |
| DistributionQueueEntry head = ResourceQueueUtils.getHead(queueRoot); |
| |
| logEntry(head, "getHead"); |
| |
| return head; |
| |
| } catch (LoginException e) { |
| throw new RuntimeException(e); |
| } catch (PersistenceException e) { |
| throw new RuntimeException(e); |
| } finally { |
| DistributionUtils.safelyLogout(resourceResolver); |
| } |
| } |
| |
| @NotNull |
| @Override |
| public Iterable<DistributionQueueEntry> getItems(int skip, int limit) { |
| ResourceResolver resourceResolver = null; |
| try { |
| resourceResolver = DistributionUtils.loginService(resolverFactory, serviceName); |
| Resource queueRoot = ResourceQueueUtils.getRootResource(resourceResolver, queueRootPath); |
| |
| List<DistributionQueueEntry> entries = ResourceQueueUtils.getEntries(queueRoot, skip, limit); |
| |
| log.debug("queue[{}] getItems entries={}", new Object[] { queueName, entries.size() }); |
| |
| return entries; |
| } catch (LoginException e) { |
| throw new RuntimeException(e); |
| } catch (PersistenceException e) { |
| throw new RuntimeException(e); |
| } finally { |
| DistributionUtils.safelyLogout(resourceResolver); |
| } |
| |
| } |
| |
| @Nullable |
| @Override |
| public DistributionQueueEntry getItem(@NotNull String itemId) { |
| ResourceResolver resourceResolver = null; |
| try { |
| resourceResolver = DistributionUtils.loginService(resolverFactory, serviceName); |
| Resource queueRoot = ResourceQueueUtils.getRootResource(resourceResolver, queueRootPath); |
| |
| Resource itemResource = ResourceQueueUtils.getResourceById(queueRoot, itemId); |
| |
| DistributionQueueEntry entry = ResourceQueueUtils.readEntry(queueRoot, itemResource); |
| |
| logEntry(entry, "getItem"); |
| |
| return entry; |
| |
| } catch (LoginException e) { |
| throw new RuntimeException(e); |
| } catch (PersistenceException e) { |
| throw new RuntimeException(e); |
| } finally { |
| DistributionUtils.safelyLogout(resourceResolver); |
| } |
| } |
| |
| @Nullable |
| @Override |
| public DistributionQueueEntry remove(@NotNull String itemId) { |
| ResourceResolver resourceResolver = null; |
| try { |
| resourceResolver = DistributionUtils.loginService(resolverFactory, serviceName); |
| Resource queueRoot = ResourceQueueUtils.getRootResource(resourceResolver, queueRootPath); |
| |
| Resource itemResource = ResourceQueueUtils.getResourceById(queueRoot, itemId); |
| |
| DistributionQueueEntry entry = ResourceQueueUtils.readEntry(queueRoot, itemResource); |
| |
| ResourceQueueUtils.deleteResource(itemResource); |
| |
| logEntry(entry, "remove"); |
| |
| return entry; |
| |
| } catch (LoginException e) { |
| throw new RuntimeException(e); |
| } catch (PersistenceException e) { |
| throw new RuntimeException(e); |
| } finally { |
| DistributionUtils.safelyLogout(resourceResolver); |
| } |
| } |
| |
| @Nullable |
| @Override |
| public DistributionQueueStatus getStatus() { |
| ResourceResolver resourceResolver = null; |
| try { |
| resourceResolver = DistributionUtils.loginService(resolverFactory, serviceName); |
| Resource queueRoot = ResourceQueueUtils.getRootResource(resourceResolver, queueRootPath); |
| |
| int count = ResourceQueueUtils.getResourceCount(queueRoot); |
| |
| return new DistributionQueueStatus(count, DistributionQueueState.PASSIVE); |
| } catch (LoginException e) { |
| throw new RuntimeException(e); |
| } catch (PersistenceException e) { |
| throw new RuntimeException(e); |
| } finally { |
| DistributionUtils.safelyLogout(resourceResolver); |
| } |
| } |
| |
| @NotNull |
| @Override |
| public DistributionQueueType getType() { |
| return DistributionQueueType.ORDERED; |
| } |
| |
| void logEntry(DistributionQueueEntry entry, String scope) { |
| if (entry == null) { |
| log.debug("queue[{}] {} null entry", new Object[] { queueName, scope }); |
| return; |
| } |
| |
| if (entry.getItem() == null) { |
| log.debug("queue[{}] {} null item (should not happen)", new Object[] { queueName, scope }); |
| return; |
| } |
| |
| String entryId = entry.getId(); |
| DistributionQueueItem item = entry.getItem(); |
| log.debug("queue[{}] {} entryId={} packageId={}", new Object[] { queueName, scope, entryId, item.getPackageId() }); |
| } |
| } |