Optional. Maximum number of concurrent backfill tasks. The number should be
non-negative and less than or equal to 50. If not set (or set to 0), the
system's default value is used
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-18 UTC."],[],[],null,["# Interface MongodbSourceConfigOrBuilder (1.71.0)\n\nVersion latestkeyboard_arrow_down\n\n- [1.71.0 (latest)](/java/docs/reference/google-cloud-datastream/latest/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.69.0](/java/docs/reference/google-cloud-datastream/1.69.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.67.0](/java/docs/reference/google-cloud-datastream/1.67.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.66.0](/java/docs/reference/google-cloud-datastream/1.66.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.63.0](/java/docs/reference/google-cloud-datastream/1.63.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.62.0](/java/docs/reference/google-cloud-datastream/1.62.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.61.0](/java/docs/reference/google-cloud-datastream/1.61.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.59.0](/java/docs/reference/google-cloud-datastream/1.59.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.58.0](/java/docs/reference/google-cloud-datastream/1.58.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.57.0](/java/docs/reference/google-cloud-datastream/1.57.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.56.0](/java/docs/reference/google-cloud-datastream/1.56.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.55.0](/java/docs/reference/google-cloud-datastream/1.55.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.54.0](/java/docs/reference/google-cloud-datastream/1.54.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.53.0](/java/docs/reference/google-cloud-datastream/1.53.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.52.0](/java/docs/reference/google-cloud-datastream/1.52.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.51.0](/java/docs/reference/google-cloud-datastream/1.51.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.50.0](/java/docs/reference/google-cloud-datastream/1.50.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.48.0](/java/docs/reference/google-cloud-datastream/1.48.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.47.0](/java/docs/reference/google-cloud-datastream/1.47.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.46.0](/java/docs/reference/google-cloud-datastream/1.46.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.45.0](/java/docs/reference/google-cloud-datastream/1.45.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.44.0](/java/docs/reference/google-cloud-datastream/1.44.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.43.0](/java/docs/reference/google-cloud-datastream/1.43.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.42.0](/java/docs/reference/google-cloud-datastream/1.42.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.41.0](/java/docs/reference/google-cloud-datastream/1.41.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.40.0](/java/docs/reference/google-cloud-datastream/1.40.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.39.0](/java/docs/reference/google-cloud-datastream/1.39.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.38.0](/java/docs/reference/google-cloud-datastream/1.38.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.36.0](/java/docs/reference/google-cloud-datastream/1.36.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.35.0](/java/docs/reference/google-cloud-datastream/1.35.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.34.0](/java/docs/reference/google-cloud-datastream/1.34.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.33.0](/java/docs/reference/google-cloud-datastream/1.33.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.32.0](/java/docs/reference/google-cloud-datastream/1.32.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.31.0](/java/docs/reference/google-cloud-datastream/1.31.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.30.0](/java/docs/reference/google-cloud-datastream/1.30.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.29.0](/java/docs/reference/google-cloud-datastream/1.29.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.28.0](/java/docs/reference/google-cloud-datastream/1.28.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.27.0](/java/docs/reference/google-cloud-datastream/1.27.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.26.0](/java/docs/reference/google-cloud-datastream/1.26.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.23.0](/java/docs/reference/google-cloud-datastream/1.23.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.22.0](/java/docs/reference/google-cloud-datastream/1.22.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.21.0](/java/docs/reference/google-cloud-datastream/1.21.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.20.0](/java/docs/reference/google-cloud-datastream/1.20.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.19.0](/java/docs/reference/google-cloud-datastream/1.19.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.18.0](/java/docs/reference/google-cloud-datastream/1.18.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.17.0](/java/docs/reference/google-cloud-datastream/1.17.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.16.0](/java/docs/reference/google-cloud-datastream/1.16.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.15.0](/java/docs/reference/google-cloud-datastream/1.15.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.14.0](/java/docs/reference/google-cloud-datastream/1.14.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.13.0](/java/docs/reference/google-cloud-datastream/1.13.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.12.0](/java/docs/reference/google-cloud-datastream/1.12.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.11.0](/java/docs/reference/google-cloud-datastream/1.11.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.10.0](/java/docs/reference/google-cloud-datastream/1.10.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.8.0](/java/docs/reference/google-cloud-datastream/1.8.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.7.0](/java/docs/reference/google-cloud-datastream/1.7.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.6.0](/java/docs/reference/google-cloud-datastream/1.6.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.5.0](/java/docs/reference/google-cloud-datastream/1.5.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.4.0](/java/docs/reference/google-cloud-datastream/1.4.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.3.0](/java/docs/reference/google-cloud-datastream/1.3.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.2.2](/java/docs/reference/google-cloud-datastream/1.2.2/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.1.1](/java/docs/reference/google-cloud-datastream/1.1.1/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [1.0.0](/java/docs/reference/google-cloud-datastream/1.0.0/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder)\n- [0.4.2](/java/docs/reference/google-cloud-datastream/0.4.2/com.google.cloud.datastream.v1.MongodbSourceConfigOrBuilder) \n\n public interface MongodbSourceConfigOrBuilder extends MessageOrBuilder\n\nImplements\n----------\n\n[MessageOrBuilder](https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.MessageOrBuilder.html)\n\nMethods\n-------\n\n### getExcludeObjects()\n\n public abstract MongodbCluster getExcludeObjects()\n\nMongoDB collections to exclude from the stream.\n\n`.google.cloud.datastream.v1.MongodbCluster exclude_objects = 2;`\n\n### getExcludeObjectsOrBuilder()\n\n public abstract MongodbClusterOrBuilder getExcludeObjectsOrBuilder()\n\nMongoDB collections to exclude from the stream.\n\n`.google.cloud.datastream.v1.MongodbCluster exclude_objects = 2;`\n\n### getIncludeObjects()\n\n public abstract MongodbCluster getIncludeObjects()\n\nMongoDB collections to include in the stream.\n\n`.google.cloud.datastream.v1.MongodbCluster include_objects = 1;`\n\n### getIncludeObjectsOrBuilder()\n\n public abstract MongodbClusterOrBuilder getIncludeObjectsOrBuilder()\n\nMongoDB collections to include in the stream.\n\n`.google.cloud.datastream.v1.MongodbCluster include_objects = 1;`\n\n### getMaxConcurrentBackfillTasks()\n\n public abstract int getMaxConcurrentBackfillTasks()\n\nOptional. Maximum number of concurrent backfill tasks. The number should be\nnon-negative and less than or equal to 50. If not set (or set to 0), the\nsystem's default value is used\n\n`int32 max_concurrent_backfill_tasks = 3 [(.google.api.field_behavior) = OPTIONAL];`\n\n### hasExcludeObjects()\n\n public abstract boolean hasExcludeObjects()\n\nMongoDB collections to exclude from the stream.\n\n`.google.cloud.datastream.v1.MongodbCluster exclude_objects = 2;`\n\n### hasIncludeObjects()\n\n public abstract boolean hasIncludeObjects()\n\nMongoDB collections to include in the stream.\n\n`.google.cloud.datastream.v1.MongodbCluster include_objects = 1;`"]]