Java Code Examples for com.google.common.cache.Cache#invalidate()

The following examples show how to use com.google.common.cache.Cache#invalidate() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: LongPollingStoreImpl.java From qconfig with MIT License

6 votes

private List<Listener> getListenersForMeta(ConfigMeta meta, Predicate<Listener> needChange) {
    Cache<Listener, Listener> cache = listenerMappings.get(meta);
    if (cache != null) {
        List<Listener> listeners = Lists.newArrayList();
        for (Listener listener : cache.asMap().values()) {
            if (needChange.apply(listener)) {
                cache.invalidate(listener);
                listeners.add(listener);
            }
        }
        cache.cleanUp();
        return listeners;
    } else {
        return ImmutableList.of();
    }
}

Example 2

Source File: MetaDataEndpointImpl.java From phoenix with Apache License 2.0

6 votes

@Override
public void clearTableFromCache(RpcController controller, ClearTableFromCacheRequest request,
        RpcCallback<ClearTableFromCacheResponse> done) {
    byte[] schemaName = request.getSchemaName().toByteArray();
    byte[] tableName = request.getTableName().toByteArray();
    try {
        byte[] tenantId = request.getTenantId().toByteArray();
        byte[] key = SchemaUtil.getTableKey(tenantId, schemaName, tableName);
        ImmutableBytesPtr cacheKey = new ImmutableBytesPtr(key);
        Cache<ImmutableBytesPtr, PTable> metaDataCache =
                GlobalCache.getInstance(this.env).getMetaDataCache();
        metaDataCache.invalidate(cacheKey);
    } catch (Throwable t) {
        logger.error("incrementTableTimeStamp failed", t);
        ProtobufUtil.setControllerException(controller,
            ServerUtil.createIOException(SchemaUtil.getTableName(schemaName, tableName), t));
    }
}

Example 3

Source File: GuavaLocalCache.java From DBus with Apache License 2.0

4 votes

@Override
public void remove(String cacheName, String key) {
    Cache<String, Object> cache = getCache(cacheName);
    cache.invalidate(key);
}

Example 4

Source File: MetaDataEndpointImpl.java From phoenix with Apache License 2.0

4 votes

@Override
public void dropTable(RpcController controller, DropTableRequest request,
        RpcCallback<MetaDataResponse> done) {
    MetaDataResponse.Builder builder = MetaDataResponse.newBuilder();
    boolean isCascade = request.getCascade();
    byte[][] rowKeyMetaData = new byte[3][];
    String tableType = request.getTableType();
    byte[] schemaName = null;
    byte[] tableName = null;

    try {
        List<Mutation> tableMetadata = ProtobufUtil.getMutations(request);
        MetaDataUtil.getTenantIdAndSchemaAndTableName(tableMetadata, rowKeyMetaData);
        byte[] tenantIdBytes = rowKeyMetaData[PhoenixDatabaseMetaData.TENANT_ID_INDEX];
        schemaName = rowKeyMetaData[PhoenixDatabaseMetaData.SCHEMA_NAME_INDEX];
        tableName = rowKeyMetaData[PhoenixDatabaseMetaData.TABLE_NAME_INDEX];
        // Disallow deletion of a system table
        if (tableType.equals(PTableType.SYSTEM.getSerializedValue())) {
            builder.setReturnCode(MetaDataProtos.MutationCode.UNALLOWED_TABLE_MUTATION);
            builder.setMutationTime(EnvironmentEdgeManager.currentTimeMillis());
            done.run(builder.build());
            return;
        }
        List<byte[]> tableNamesToDelete = Lists.newArrayList();
        byte[] parentTableName = MetaDataUtil.getParentTableName(tableMetadata);
        byte[] lockTableName = parentTableName == null ? tableName : parentTableName;
        byte[] lockKey = SchemaUtil.getTableKey(tenantIdBytes, schemaName, lockTableName);
        byte[] key =
                parentTableName == null ? lockKey : SchemaUtil.getTableKey(tenantIdBytes,
                    schemaName, tableName);

        HRegion region = env.getRegion();
        MetaDataMutationResult result = checkTableKeyInRegion(key, region);
        if (result != null) {
            done.run(MetaDataMutationResult.toProto(result));
            return;
        }
        List<RowLock> locks = Lists.newArrayList();

        try {
            acquireLock(region, lockKey, locks);
            if (key != lockKey) {
                acquireLock(region, key, locks);
            }
            List<ImmutableBytesPtr> invalidateList = new ArrayList<ImmutableBytesPtr>();
            result =
                    doDropTable(key, tenantIdBytes, schemaName, tableName, parentTableName,
                        PTableType.fromSerializedValue(tableType), tableMetadata,
                        invalidateList, locks, tableNamesToDelete, isCascade);
            if (result.getMutationCode() != MutationCode.TABLE_ALREADY_EXISTS) {
                done.run(MetaDataMutationResult.toProto(result));
                return;
            }
            Cache<ImmutableBytesPtr,PTable> metaDataCache = GlobalCache.getInstance(this.env).getMetaDataCache();
            // Commit the list of deletion.
            region.mutateRowsWithLocks(tableMetadata, Collections.<byte[]> emptySet());
            long currentTime = MetaDataUtil.getClientTimeStamp(tableMetadata);
            for (ImmutableBytesPtr ckey : invalidateList) {
                metaDataCache.put(ckey, newDeletedTableMarker(currentTime));
            }
            if (parentTableName != null) {
                ImmutableBytesPtr parentCacheKey = new ImmutableBytesPtr(lockKey);
                metaDataCache.invalidate(parentCacheKey);
            }
            done.run(MetaDataMutationResult.toProto(result));
            return;
        } finally {
            region.releaseRowLocks(locks);
        }
    } catch (Throwable t) {
      logger.error("dropTable failed", t);
        ProtobufUtil.setControllerException(controller,
            ServerUtil.createIOException(SchemaUtil.getTableName(schemaName, tableName), t));
    }
}