bulkimport/src/main/java/com/microsoft/azure/documentdb/bulkimport/DocumentBulkImporter.java
private void initialize() throws DocumentClientException {
        logger.debug("Initializing ...");

        this.bulkImportStoredProcLink = String.format("%s/sprocs/%s", collectionLink, BULK_IMPORT_STORED_PROCECURE_NAME);

        logger.trace("Fetching partition map of collection");
        Range<String> fullRange = new Range<String>(
                PartitionKeyInternal.MinimumInclusiveEffectivePartitionKey,
                PartitionKeyInternal.MaximumExclusiveEffectivePartitionKey,
                true,
                false);

        this.collectionRoutingMap = getCollectionRoutingMap(client);
        Collection<PartitionKeyRange> partitionKeyRanges = this.collectionRoutingMap.getOverlappingRanges(fullRange);

        this.partitionKeyRangeIds = partitionKeyRanges.stream().map(partitionKeyRange -> partitionKeyRange.getId()).collect(Collectors.toList());

        logger.debug("Initialization completed");
    }
private void initialize() throws DocumentClientException {
        logger.debug("Initializing ...");

        this.bulkImportStoredProcLink = String.format("%s/sprocs/%s", collectionLink, BULK_IMPORT_STORED_PROCECURE_NAME);

        logger.trace("Fetching partition map of collection");
        Range<String> fullRange = new Range<String>(
                PartitionKeyInternal.MinimumInclusiveEffectivePartitionKey,
                PartitionKeyInternal.MaximumExclusiveEffectivePartitionKey,
                true,
                false);

        this.collectionRoutingMap = getCollectionRoutingMap(client);
        Collection<PartitionKeyRange> partitionKeyRanges = this.collectionRoutingMap.getOverlappingRanges(fullRange);

        this.partitionKeyRangeIds = partitionKeyRanges.stream().map(partitionKeyRange -> partitionKeyRange.getId()).collect(Collectors.toList());

        logger.debug("Initialization completed");
    }
Initializes {@link DocumentBulkImporter}. This happens only once
@throws DocumentClientException