Examples with JanusGraphException org.janusgraph.core.JanusGraphException used on opensource projects

Example 11 with JanusGraphException

use of org.janusgraph.core.JanusGraphException in project janusgraph by JanusGraph.

the class IndexUpdateJob method workerIterationStart.

public void workerIterationStart(JanusGraph graph, Configuration config, ScanMetrics metrics) {
    this.graph = (StandardJanusGraph) graph;
    Preconditions.checkArgument(config.has(GraphDatabaseConfiguration.JOB_START_TIME), "Invalid configuration for this job. Start time is required.");
    this.jobStartTime = Instant.ofEpochMilli(config.get(GraphDatabaseConfiguration.JOB_START_TIME));
    if (indexName == null) {
        Preconditions.checkArgument(config.has(INDEX_NAME), "Need to configure the name of the index to be repaired");
        indexName = config.get(INDEX_NAME);
        indexRelationTypeName = config.get(INDEX_RELATION_TYPE);
        log.info("Read index information: name={} type={}", indexName, indexRelationTypeName);
    }
    try {
        this.managementSystem = (ManagementSystem) graph.openManagement();
        if (isGlobalGraphIndex()) {
            index = managementSystem.getGraphIndex(indexName);
        } else {
            indexRelationType = managementSystem.getRelationType(indexRelationTypeName);
            Preconditions.checkArgument(indexRelationType != null, "Could not find relation type: %s", indexRelationTypeName);
            index = managementSystem.getRelationIndex(indexRelationType, indexName);
        }
        Preconditions.checkArgument(index != null, "Could not find index: %s [%s]", indexName, indexRelationTypeName);
        log.info("Found index {}", indexName);
        validateIndexStatus();
        StandardTransactionBuilder txb = this.graph.buildTransaction();
        txb.commitTime(jobStartTime);
        writeTx = (StandardJanusGraphTx) txb.start();
    } catch (final Exception e) {
        if (null != managementSystem && managementSystem.isOpen())
            managementSystem.rollback();
        if (writeTx != null && writeTx.isOpen())
            writeTx.rollback();
        metrics.incrementCustom(FAILED_TX);
        throw new JanusGraphException(e.getMessage(), e);
    }
}

Example 12 with JanusGraphException

use of org.janusgraph.core.JanusGraphException in project janusgraph by JanusGraph.

the class KCVSLog method add.

/**
 * Adds the given message (content) to the timeslice for the partition identified by the provided partitionId.
 * If a persistor is specified, this persistor is used to add the message otherwise the internal delivery systems are used.
 *
 * @param content
 * @param partitionId
 * @param persistor
 * @return
 */
private Future<Message> add(StaticBuffer content, int partitionId, ExternalPersistor persistor) {
    ResourceUnavailableException.verifyOpen(isOpen, "Log", name);
    Preconditions.checkArgument(content != null && content.length() > 0, "Content is empty");
    Preconditions.checkArgument(partitionId >= 0 && partitionId < (1 << manager.partitionBitWidth), "Invalid partition id: %s", partitionId);
    final Instant timestamp = times.getTime();
    KCVSMessage msg = new KCVSMessage(content, timestamp, manager.senderId);
    FutureMessage futureMessage = new FutureMessage(msg);
    StaticBuffer key = getLogKey(partitionId, (int) (numBucketCounter.incrementAndGet() % numBuckets), getTimeSlice(timestamp));
    MessageEnvelope envelope = new MessageEnvelope(futureMessage, key, writeMessage(msg));
    if (persistor != null) {
        try {
            persistor.add(envelope.key, envelope.entry);
            envelope.message.delivered();
        } catch (JanusGraphException e) {
            envelope.message.failed(e);
            throw e;
        }
    } else if (outgoingMsg == null) {
        sendMessages(ImmutableList.of(envelope));
    } else {
        try {
            // Produces back pressure when full
            outgoingMsg.put(envelope);
            log.debug("Enqueued {} for partition {}", envelope, partitionId);
        } catch (InterruptedException e) {
            throw new JanusGraphException("Got interrupted waiting to send message", e);
        }
    }
    return futureMessage;
}

Example 13 with JanusGraphException

use of org.janusgraph.core.JanusGraphException in project janusgraph by JanusGraph.

the class StandardIDPool method close.

@Override
public synchronized void close() {
    closed = true;
    try {
        waitForIDBlockGetter();
    } catch (InterruptedException e) {
        throw new JanusGraphException("Interrupted while waiting for id renewer thread to finish", e);
    }
    for (Future<?> closeBlocker : closeBlockers) {
        try {
            closeBlocker.get();
        } catch (InterruptedException e) {
            throw new JanusGraphException("Interrupted while waiting for runaway ID renewer task " + closeBlocker, e);
        } catch (ExecutionException e) {
            log.debug("Runaway ID renewer task completed with exception", e);
        }
    }
    exec.shutdownNow();
}

Example 14 with JanusGraphException

use of org.janusgraph.core.JanusGraphException in project janusgraph by JanusGraph.

the class StandardIDPool method nextID.

@Override
public synchronized long nextID() {
    assert currentIndex <= currentBlock.numIds();
    if (currentIndex == currentBlock.numIds()) {
        try {
            nextBlock();
        } catch (InterruptedException e) {
            throw new JanusGraphException("Could not renew id block due to interruption", e);
        }
    }
    if (currentIndex == renewBlockIndex) {
        startIDBlockGetter();
    }
    long returnId = currentBlock.getId(currentIndex);
    currentIndex++;
    if (returnId >= idUpperBound)
        throw new IDPoolExhaustedException("Reached id upper bound of " + idUpperBound);
    log.trace("partition({})-namespace({}) Returned id: {}", partition, idNamespace, returnId);
    return returnId;
}

Example 15 with JanusGraphException

use of org.janusgraph.core.JanusGraphException in project janusgraph by JanusGraph.

the class Backend method initialize.

/**
 * Initializes this backend with the given configuration. Must be called before this Backend can be used
 *
 * @param config
 */
public void initialize(Configuration config) {
    try {
        // EdgeStore & VertexIndexStore
        KeyColumnValueStore idStore = storeManager.openDatabase(config.get(IDS_STORE_NAME));
        idAuthority = null;
        if (storeFeatures.isKeyConsistent()) {
            idAuthority = new ConsistentKeyIDAuthority(idStore, storeManager, config);
        } else {
            throw new IllegalStateException("Store needs to support consistent key or transactional operations for ID manager to guarantee proper id allocations");
        }
        KeyColumnValueStore edgeStoreRaw = storeManagerLocking.openDatabase(EDGESTORE_NAME);
        KeyColumnValueStore indexStoreRaw = storeManagerLocking.openDatabase(INDEXSTORE_NAME);
        // Configure caches
        if (cacheEnabled) {
            long expirationTime = configuration.get(DB_CACHE_TIME);
            Preconditions.checkArgument(expirationTime >= 0, "Invalid cache expiration time: %s", expirationTime);
            if (expirationTime == 0)
                expirationTime = ETERNAL_CACHE_EXPIRATION;
            long cacheSizeBytes;
            double cacheSize = configuration.get(DB_CACHE_SIZE);
            Preconditions.checkArgument(cacheSize > 0.0, "Invalid cache size specified: %s", cacheSize);
            if (cacheSize < 1.0) {
                // Its a percentage
                Runtime runtime = Runtime.getRuntime();
                cacheSizeBytes = (long) ((runtime.maxMemory() - (runtime.totalMemory() - runtime.freeMemory())) * cacheSize);
            } else {
                Preconditions.checkArgument(cacheSize > 1000, "Cache size is too small: %s", cacheSize);
                cacheSizeBytes = (long) cacheSize;
            }
            log.info("Configuring total store cache size: {}", cacheSizeBytes);
            long cleanWaitTime = configuration.get(DB_CACHE_CLEAN_WAIT);
            Preconditions.checkArgument(EDGESTORE_CACHE_PERCENT + INDEXSTORE_CACHE_PERCENT == 1.0, "Cache percentages don't add up!");
            long edgeStoreCacheSize = Math.round(cacheSizeBytes * EDGESTORE_CACHE_PERCENT);
            long indexStoreCacheSize = Math.round(cacheSizeBytes * INDEXSTORE_CACHE_PERCENT);
            edgeStore = new ExpirationKCVSCache(edgeStoreRaw, getMetricsCacheName(EDGESTORE_NAME), expirationTime, cleanWaitTime, edgeStoreCacheSize);
            indexStore = new ExpirationKCVSCache(indexStoreRaw, getMetricsCacheName(INDEXSTORE_NAME), expirationTime, cleanWaitTime, indexStoreCacheSize);
        } else {
            edgeStore = new NoKCVSCache(edgeStoreRaw);
            indexStore = new NoKCVSCache(indexStoreRaw);
        }
        // Just open them so that they are cached
        txLogManager.openLog(SYSTEM_TX_LOG_NAME);
        managementLogManager.openLog(SYSTEM_MGMT_LOG_NAME);
        txLogStore = new NoKCVSCache(storeManager.openDatabase(SYSTEM_TX_LOG_NAME));
        // Open global configuration
        KeyColumnValueStore systemConfigStore = storeManagerLocking.openDatabase(SYSTEM_PROPERTIES_STORE_NAME);
        systemConfig = getGlobalConfiguration(new BackendOperation.TransactionalProvider() {

            @Override
            public StoreTransaction openTx() throws BackendException {
                return storeManagerLocking.beginTransaction(StandardBaseTransactionConfig.of(configuration.get(TIMESTAMP_PROVIDER), storeFeatures.getKeyConsistentTxConfig()));
            }

            @Override
            public void close() throws BackendException {
            // Do nothing, storeManager is closed explicitly by Backend
            }
        }, systemConfigStore, configuration);
        userConfig = getConfiguration(new BackendOperation.TransactionalProvider() {

            @Override
            public StoreTransaction openTx() throws BackendException {
                return storeManagerLocking.beginTransaction(StandardBaseTransactionConfig.of(configuration.get(TIMESTAMP_PROVIDER)));
            }

            @Override
            public void close() throws BackendException {
            // Do nothing, storeManager is closed explicitly by Backend
            }
        }, systemConfigStore, USER_CONFIGURATION_IDENTIFIER, configuration);
    } catch (BackendException e) {
        throw new JanusGraphException("Could not initialize backend", e);
    }
}