Examples of org.infinispan.persistence.spi.AdvancedCacheLoader.process()

Class org.infinispan.persistence.spi.AdvancedCacheLoader

Examples of org.infinispan.persistence.spi.AdvancedCacheLoader.process()

org.infinispan.persistence.spi.AdvancedCacheLoader.process()
Iterates in parallel over the entries in the storage using the threads from the executor pool. For each entry the {@link CacheLoaderTask#processEntry(MarshalledEntry,TaskContext)} isinvoked. Before passing an entry to the callback task, the entry should be validated against the filter. Implementors should build an {@link TaskContext} instance (implementation) that is fed to the {@link CacheLoaderTask} on every invocation. The {@link CacheLoaderTask} might invoke {@link org.infinispan.persistence.spi.AdvancedCacheLoader.TaskContext#stop()} at any time, so implementors of this methodshould verify TaskContext's state for early termination of iteration. The method should only return once the iteration is complete or as soon as possible in the case TaskContext.stop() is invoked. @param filter to validate which entries should be feed into the task. Might be null. @param task callback to be invoked in parallel for each stored entry that passes the filter check @param executor an external thread pool to be used for parallel iteration @param fetchValue whether or not to fetch the value from the persistent store. E.g. if the iteration isintended only over the key set, no point fetching the values from the persistent store as well @param fetchMetadata whether or not to fetch the metadata from the persistent store. E.g. if the iteration isintended only ove the key set, then no pint fetching the metadata from the persistent store as well @throws PersistenceException in case of an error, e.g. communicating with the external storage




      final int maxEntries = getMaxEntries();
      final AtomicInteger loadedEntries = new AtomicInteger(0);
      final AdvancedCache<Object, Object> flaggedCache = getCacheForStateInsertion();
      preloadCl.process(null, new AdvancedCacheLoader.CacheLoaderTask() {
         @Override
         public void processEntry(MarshalledEntry me, AdvancedCacheLoader.TaskContext taskContext) throws InterruptedException {
            if (loadedEntries.getAndIncrement() >= maxEntries) {
               taskContext.stop();
               return;

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                              log.failedLoadingValueFromCacheStore(me.getKey(), e);
                           }
                        }
                     }
                  };
               stProvider.process(filter, task, new WithinThreadExecutor(), true, true);
            } catch (CacheException e) {
               log.failedLoadingKeysFromCacheStore(e);
            }
         }

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      final int maxEntries = getMaxEntries();
      final AtomicInteger loadedEntries = new AtomicInteger(0);
      final AdvancedCache<Object, Object> flaggedCache = getCacheForStateInsertion();
      preloadCl.process(null, new AdvancedCacheLoader.CacheLoaderTask() {
         @Override
         public void processEntry(MarshalledEntry me, AdvancedCacheLoader.TaskContext taskContext) throws InterruptedException {
            if (loadedEntries.getAndIncrement() >= maxEntries) {
               taskContext.stop();
               return;

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                              log.failedLoadingValueFromCacheStore(me.getKey(), e);
                           }
                        }
                     }
                  };
               stProvider.process(filter, task, new WithinThreadExecutor(), true, true);
            } catch (CacheException e) {
               log.failedLoadingKeysFromCacheStore(e);
            }
         }

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      final int maxEntries = getMaxEntries();
      final AtomicInteger loadedEntries = new AtomicInteger(0);
      final AdvancedCache<Object, Object> flaggedCache = getCacheForStateInsertion();
      preloadCl.process(null, new AdvancedCacheLoader.CacheLoaderTask() {
         @Override
         public void processEntry(MarshalledEntry me, AdvancedCacheLoader.TaskContext taskContext) throws InterruptedException {
            if (loadedEntries.getAndIncrement() >= maxEntries) {
               taskContext.stop();
               return;

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      final int maxEntries = getMaxEntries();
      final AtomicInteger loadedEntries = new AtomicInteger(0);
      final AdvancedCache<Object, Object> flaggedCache = getCacheForStateInsertion();
      preloadCl.process(null, new AdvancedCacheLoader.CacheLoaderTask() {
         @Override
         public void processEntry(MarshalledEntry me, AdvancedCacheLoader.TaskContext taskContext) throws InterruptedException {
            if (loadedEntries.getAndIncrement() >= maxEntries) {
               taskContext.stop();
               return;

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                              log.failedLoadingValueFromCacheStore(me.getKey(), e);
                           }
                        }
                     }
                  };
               stProvider.process(filter, task, new WithinThreadExecutor(), true, true);
            } catch (CacheException e) {
               log.failedLoadingKeysFromCacheStore(e);
            }
         }

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      final int maxEntries = getMaxEntries();
      final AtomicInteger loadedEntries = new AtomicInteger(0);
      final AdvancedCache<Object, Object> flaggedCache = getCacheForStateInsertion();
      preloadCl.process(null, new AdvancedCacheLoader.CacheLoaderTask() {
         @Override
         public void processEntry(MarshalledEntry me, AdvancedCacheLoader.TaskContext taskContext) throws InterruptedException {
            if (loadedEntries.get() >= maxEntries) {
               taskContext.stop();
               return;

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                              log.failedLoadingValueFromCacheStore(me.getKey(), e);
                           }
                        }
                     }
                  };
               stProvider.process(filter, task, new WithinThreadExecutor(), true, true);
            } catch (CacheException e) {
               log.failedLoadingKeysFromCacheStore(e);
            }
         }

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      final int maxEntries = getMaxEntries();
      final AtomicInteger loadedEntries = new AtomicInteger(0);
      final AdvancedCache<Object, Object> flaggedCache = getCacheForStateInsertion();
      preloadCl.process(null, new AdvancedCacheLoader.CacheLoaderTask() {
         @Override
         public void processEntry(MarshalledEntry me, AdvancedCacheLoader.TaskContext taskContext) throws InterruptedException {
            if (loadedEntries.getAndIncrement() >= maxEntries) {
               taskContext.stop();
               return;

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