Example usage for com.google.common.cache RemovalListener RemovalListener

Introduction

In this page you can find the example usage for com.google.common.cache RemovalListener RemovalListener.

Prototype

RemovalListener

Source Link

Usage

From source file:org.objectfabric.GoogleCache.java

@SuppressWarnings("unchecked")
public GoogleCache(CacheBuilder builder) {
    super(true, new GoogleCacheBackend(builder.build().asMap()));

    builder.removalListener(new RemovalListener() {

        @Override/* w  w  w .j  a  v  a 2  s  . c om*/
        public void onRemoval(RemovalNotification notification) {
            onEviction(notification.getValue());
        }
    });
}

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From source file:org.rub.nds.saml.samllib.verifier.SAMLIDCache.java

/**
 *
 *//*from   w  w  w  .ja v  a  2 s  .co  m*/
public static void initialize() {
    SAMLIDCache.cachedIDs = CacheBuilder.newBuilder().maximumSize(1000)
            .expireAfterWrite(SAMLIDCache.cacheDuration, TimeUnit.MINUTES)
            .removalListener(new RemovalListener<String, String>() {
                @Override
                public void onRemoval(RemovalNotification<String, String> rn) {
                    _log.debug("SAML Response ID " + rn.getKey() + " has been removed from the cache.");
                }
            }).build(new CacheLoader<String, String>() {
                @Override
                public String load(String key) {
                    return key;
                }
            });
}

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From source file:rapture.kernel.cache.KernelCaches.java

private static Cache<RaptureURI, Optional<String>> setupObjectStorageCache() {
    return CacheBuilder.newBuilder().expireAfterAccess(1, TimeUnit.MINUTES)
            .removalListener(new RemovalListener<RaptureURI, Optional<String>>() {
                @Override//from  w w  w.  j a  v a  2  s  .  c o m
                public void onRemoval(RemovalNotification<RaptureURI, Optional<String>> notification) {
                    if (notification.getCause() != RemovalCause.REPLACED) {
                        if (log.isTraceEnabled())
                            log.trace("Removed " + notification.getKey() + " from local cache because "
                                    + notification.getCause());
                    }
                }
            }).build();
}

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From source file:org.geogig.geoserver.config.RepositoryCache.java

public RepositoryCache(final RepositoryManager repoManager) {

    RemovalListener<String, Repository> disposingListener = new RemovalListener<String, Repository>() {
        @Override//from  ww  w  .  j av  a  2s. c  o  m
        public void onRemoval(RemovalNotification<String, Repository> notification) {
            String repoId = notification.getKey();
            Repository repository = notification.getValue();
            if (repository != null) {
                try {
                    URI location = repository.getLocation();
                    LOGGER.fine(format("Closing cached GeoGig repository instance %s",
                            location != null ? location : repoId));
                    repository.close();
                    LOGGER.finer(format("Closed cached GeoGig repository instance %s",
                            location != null ? location : repoId));
                } catch (RuntimeException e) {
                    LOGGER.log(Level.WARNING,
                            format("Error disposing GeoGig repository instance for id %s", repoId), e);
                }
            }
        }
    };

    final CacheLoader<String, Repository> loader = new CacheLoader<String, Repository>() {
        private final RepositoryManager manager = repoManager;

        @Override
        public Repository load(final String repoId) throws Exception {
            try {
                RepositoryInfo repoInfo = manager.get(repoId);
                URI repoLocation = repoInfo.getLocation();
                // RepositoryResolver.load returns an open repository or fails
                Repository repo = RepositoryResolver.load(repoLocation);
                checkState(repo.isOpen());

                return repo;
            } catch (Exception e) {
                LOGGER.log(Level.WARNING, format("Error loading GeoGig repository instance for id %s", repoId),
                        e);
                throw e;
            }
        }
    };

    repoCache = CacheBuilder.newBuilder()//
            .softValues()//
            .expireAfterAccess(5, TimeUnit.MINUTES)//
            .removalListener(disposingListener)//
            .build(loader);
}

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From source file:rub.nds.oidc.oidc_op.OIDCCache.java

/**
 *
 *//*from  w w  w  .  j a va2 s .  co  m*/
public static void initialize() {
    OIDCCache.cachedIDs = CacheBuilder.newBuilder().maximumSize(1000)
            .expireAfterWrite(OIDCCache.cacheDuration, TimeUnit.MINUTES)
            .removalListener(new RemovalListener<String, TokenCollection>() {
                @Override
                public void onRemoval(RemovalNotification<String, TokenCollection> rn) {
                    _log.debug("ID " + rn.getKey() + " has been removed from the cache.");
                }
            }).build(new CacheLoader<String, TokenCollection>() {
                @Override
                public TokenCollection load(String key) throws ExecutionException {
                    return getElement(key);
                }
            });
}

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From source file:uk.ac.ed.inf.ace.utils.PreparedStatements.java

public PreparedStatements(final Database database) {
    super("PreparedStatements", CacheBuilder.newBuilder()
            .removalListener(new RemovalListener<Supplier<String>, PreparedStatement>() {
                @Override//from   w  ww.ja v a 2 s  . c  o  m
                public void onRemoval(RemovalNotification<Supplier<String>, PreparedStatement> notification) {
                    try {
                        notification.getValue().close();
                    } catch (SQLException exception) {
                        LOGGER.log(Level.SEVERE, "Failed to close a prepared statement.", exception);
                    }
                }
            }).concurrencyLevel(1).build(new CacheLoader<Supplier<String>, PreparedStatement>() {
                @Override
                public PreparedStatement load(Supplier<String> sqlSupplier) throws Exception {
                    database.open();
                    return database.prepareStatement(sqlSupplier.get());
                }
            }));
}

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From source file:org.jevis.rest.IconCache.java

/**
 * Default constructor TODO: make the expire date configurable
 *//*from  w w  w  .  jav a 2s . c o  m*/
public IconCache() {
    _cache = CacheBuilder.newBuilder().maximumSize(1000).expireAfterWrite(24, TimeUnit.HOURS)
            .removalListener(new RemovalListener<String, ClassIcon>() {

                @Override
                public void onRemoval(RemovalNotification<String, ClassIcon> notification) {
                    //                        System.out.println("Remove cached icon for: " + notification.getKey() + " because: " + notification.getCause());
                }
            }).build(new CacheLoader<String, ClassIcon>() {

                @Override
                public ClassIcon load(String key) throws Exception {
                    return new ClassIcon(key, null);
                }
            });
}

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From source file:org.jeo.data.CachedRepository.java

public CachedRepository(DataRepository reg, final int cacheSize) {
    this.reg = reg;
    objCache = CacheBuilder.newBuilder().maximumSize(cacheSize)
            .removalListener(new RemovalListener<Pair<String, Class>, Object>() {
                @Override/* ww  w .jav a  2s.c om*/
                public void onRemoval(RemovalNotification<Pair<String, Class>, Object> n) {
                    Object obj = n.getValue();
                    if (obj instanceof Disposable) {
                        ((Disposable) obj).close();
                    }
                }
            }).build(new CacheLoader<Pair<String, Class>, Object>() {
                @Override
                public Object load(Pair<String, Class> key) throws Exception {
                    Object obj = CachedRepository.this.reg.get(key.first(), key.second());
                    if (obj instanceof Workspace) {
                        return new CachedWorkspace((Workspace) obj, cacheSize);
                    }
                    return obj;
                }
            });
}

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From source file:de.rwhq.io.rm.CachedResourceManager.java

CachedResourceManager(final ResourceManager _rm, final int cacheSize) {
    checkNotNull(_rm);/*from  w  ww  .j ava  2 s  .  co  m*/
    checkArgument(cacheSize > 0, "cacheSize must be > 0");

    this.rm = _rm;
    this.cacheSize = cacheSize;
    this.cache = CacheBuilder.newBuilder().maximumSize(cacheSize)
            .removalListener(new RemovalListener<Integer, RawPage>() {
                @Override
                public void onRemoval(
                        final RemovalNotification<Integer, RawPage> integerRawPageRemovalNotification) {
                    final RawPage rawPage = integerRawPageRemovalNotification.getValue();
                    rawPage.sync();
                }
            }).build(new CacheLoader<Integer, RawPage>() {
                @Override
                public RawPage load(final Integer key) throws Exception {
                    return rm.getPage(key);
                }
            });

}

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From source file:name.martingeisse.stackd.server.section.storage.FolderBasedSectionStorage.java

/**
 * Constructor./*  w w w.j  ava 2  s .  c  o  m*/
 * @param clusterSize the cluster-size of sections
 * @param storageFolder the folder that contains world storage files
 */
public FolderBasedSectionStorage(final ClusterSize clusterSize, final File storageFolder) {
    super(clusterSize);
    this.storageFolder = storageFolder;
    this.fileHandleCache = CacheBuilder.newBuilder().maximumSize(100)
            .removalListener(new RemovalListener<SectionId, RandomAccessFile>() {
                @Override
                public void onRemoval(RemovalNotification<SectionId, RandomAccessFile> notification) {
                    try {
                        notification.getValue().close();
                    } catch (IOException e) {
                    }
                }
            }).build(new CacheLoader<SectionId, RandomAccessFile>() {
                @Override
                public RandomAccessFile load(SectionId superSectionId) throws Exception {
                    File file = getSectionFile(superSectionId);

                    // create an empty file if there is none yet
                    if (!file.exists()) {
                        final FileOutputStream fileOutputStream = new FileOutputStream(file);
                        try {
                            final byte[] emptyToc = new byte[16 * 16 * 16 * 3 * 4];
                            fileOutputStream.write(emptyToc);
                        } finally {
                            fileOutputStream.close();
                        }
                    }

                    return new RandomAccessFile(file, "rw");
                }
            });
}

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