A Factory class which, for each unique partitionKey, creates a trio including a ThresholdBatcher,
BatchExecutor, and ThresholdBatchingForwarder. The ThresholdBatchingForwarder pulls items from
the ThresholdBatcher and forwards them to the BatchExecutor for processing.
This is public only for technical reasons, for advanced usage.
[[["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 2025-09-04 UTC."],[[["\u003cp\u003eThe latest version of \u003ccode\u003eBatcherFactory\u003c/code\u003e is 2.63.1, with numerous previous versions available for reference, listed from newest to oldest, down to version 2.7.1.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eBatcherFactory\u003c/code\u003e is a class that creates a trio of \u003ccode\u003eThresholdBatcher\u003c/code\u003e, \u003ccode\u003eBatchExecutor\u003c/code\u003e, and \u003ccode\u003eThresholdBatchingForwarder\u003c/code\u003e for each unique \u003ccode\u003epartitionKey\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eIt inherits members from the \u003ccode\u003ejava.lang.Object\u003c/code\u003e class, such as \u003ccode\u003eclone()\u003c/code\u003e, \u003ccode\u003eequals(Object)\u003c/code\u003e, and \u003ccode\u003ehashCode()\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eBatcherFactory\u003c/code\u003e requires a \u003ccode\u003eBatchingDescriptor\u003c/code\u003e, \u003ccode\u003eBatchingSettings\u003c/code\u003e, \u003ccode\u003eScheduledExecutorService\u003c/code\u003e, and \u003ccode\u003eFlowController\u003c/code\u003e in its constructor.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003egetPushingBatcher\u003c/code\u003e method retrieves or constructs a \u003ccode\u003eThresholdBatcher\u003c/code\u003e associated with a given \u003ccode\u003ePartitionKey\u003c/code\u003e, ensuring thread safety.\u003c/p\u003e\n"]]],[],null,["# Class BatcherFactory<RequestT,ResponseT> (2.69.0)\n\nVersion latestkeyboard_arrow_down\n\n- [2.69.0 (latest)](/java/docs/reference/gax/latest/com.google.api.gax.rpc.BatcherFactory)\n- [2.68.2](/java/docs/reference/gax/2.68.2/com.google.api.gax.rpc.BatcherFactory)\n- [2.67.0](/java/docs/reference/gax/2.67.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.66.0](/java/docs/reference/gax/2.66.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.65.0](/java/docs/reference/gax/2.65.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.63.1](/java/docs/reference/gax/2.63.1/com.google.api.gax.rpc.BatcherFactory)\n- [2.62.0](/java/docs/reference/gax/2.62.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.61.0](/java/docs/reference/gax/2.61.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.60.0](/java/docs/reference/gax/2.60.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.59.1](/java/docs/reference/gax/2.59.1/com.google.api.gax.rpc.BatcherFactory)\n- [2.58.0](/java/docs/reference/gax/2.58.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.57.0](/java/docs/reference/gax/2.57.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.55.0](/java/docs/reference/gax/2.55.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.54.1](/java/docs/reference/gax/2.54.1/com.google.api.gax.rpc.BatcherFactory)\n- [2.53.0](/java/docs/reference/gax/2.53.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.52.0](/java/docs/reference/gax/2.52.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.51.0](/java/docs/reference/gax/2.51.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.50.0](/java/docs/reference/gax/2.50.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.49.0](/java/docs/reference/gax/2.49.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.48.1](/java/docs/reference/gax/2.48.1/com.google.api.gax.rpc.BatcherFactory)\n- [2.47.0](/java/docs/reference/gax/2.47.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.46.1](/java/docs/reference/gax/2.46.1/com.google.api.gax.rpc.BatcherFactory)\n- [2.45.0](/java/docs/reference/gax/2.45.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.43.0](/java/docs/reference/gax/2.43.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.42.0](/java/docs/reference/gax/2.42.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.41.0](/java/docs/reference/gax/2.41.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.39.0](/java/docs/reference/gax/2.39.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.38.0](/java/docs/reference/gax/2.38.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.37.0](/java/docs/reference/gax/2.37.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.36.0](/java/docs/reference/gax/2.36.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.35.0](/java/docs/reference/gax/2.35.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.34.1](/java/docs/reference/gax/2.34.1/com.google.api.gax.rpc.BatcherFactory)\n- [2.33.0](/java/docs/reference/gax/2.33.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.32.1](/java/docs/reference/gax/2.32.1/com.google.api.gax.rpc.BatcherFactory)\n- [2.31.1](/java/docs/reference/gax/2.31.1/com.google.api.gax.rpc.BatcherFactory)\n- [2.30.1](/java/docs/reference/gax/2.30.1/com.google.api.gax.rpc.BatcherFactory)\n- [2.24.0](/java/docs/reference/gax/2.24.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.23.3](/java/docs/reference/gax/2.23.3/com.google.api.gax.rpc.BatcherFactory)\n- [2.22.0](/java/docs/reference/gax/2.22.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.21.0](/java/docs/reference/gax/2.21.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.20.1](/java/docs/reference/gax/2.20.1/com.google.api.gax.rpc.BatcherFactory)\n- [2.19.6](/java/docs/reference/gax/2.19.6/com.google.api.gax.rpc.BatcherFactory)\n- [2.18.7](/java/docs/reference/gax/2.18.7/com.google.api.gax.rpc.BatcherFactory)\n- [2.17.0](/java/docs/reference/gax/2.17.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.16.0](/java/docs/reference/gax/2.16.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.15.0](/java/docs/reference/gax/2.15.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.14.0](/java/docs/reference/gax/2.14.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.13.0](/java/docs/reference/gax/2.13.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.12.2](/java/docs/reference/gax/2.12.2/com.google.api.gax.rpc.BatcherFactory)\n- [2.11.0](/java/docs/reference/gax/2.11.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.10.0](/java/docs/reference/gax/2.10.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.9.0](/java/docs/reference/gax/2.9.0/com.google.api.gax.rpc.BatcherFactory)\n- [2.8.1](/java/docs/reference/gax/2.8.1/com.google.api.gax.rpc.BatcherFactory)\n- [2.7.1](/java/docs/reference/gax/2.7.1/com.google.api.gax.rpc.BatcherFactory) \n\n public final class BatcherFactory\u003cRequestT,ResponseT\u003e\n\nA Factory class which, for each unique partitionKey, creates a trio including a ThresholdBatcher,\nBatchExecutor, and ThresholdBatchingForwarder. The ThresholdBatchingForwarder pulls items from\nthe ThresholdBatcher and forwards them to the BatchExecutor for processing.\n\nThis is public only for technical reasons, for advanced usage. \n\nInheritance\n-----------\n\n[java.lang.Object](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html) \\\u003e BatcherFactory\\\u003cRequestT,ResponseT\\\u003e \n\nInherited Members\n-----------------\n\n[Object.clone()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#clone--) \n[Object.equals(Object)](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#equals-java.lang.Object-) \n[Object.finalize()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#finalize--) \n[Object.getClass()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#getClass--) \n[Object.hashCode()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#hashCode--) \n[Object.notify()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notify--) \n[Object.notifyAll()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notifyAll--) \n[Object.toString()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#toString--) \n[Object.wait()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait--) \n[Object.wait(long)](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-) \n[Object.wait(long,int)](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-int-)\n\nConstructors\n------------\n\n### BatcherFactory(BatchingDescriptor\\\u003cRequestT,ResponseT\\\u003e batchingDescriptor, BatchingSettings batchingSettings, ScheduledExecutorService executor, FlowController flowController)\n\n public BatcherFactory(BatchingDescriptor\u003cRequestT,ResponseT\u003e batchingDescriptor, BatchingSettings batchingSettings, ScheduledExecutorService executor, FlowController flowController)\n\nMethods\n-------\n\n### getBatchingSettings()\n\n public BatchingSettings getBatchingSettings()\n\n| **Internal Only**: This feature is not stable for application use.\n\nReturns the BatchingSettings object that is associated with this factory.\n\nThis is public only for technical reasons, for advanced usage.\n\n### getPushingBatcher(PartitionKey partitionKey)\n\n public ThresholdBatcher\u003cBatch\u003cRequestT,ResponseT\u003e\u003e getPushingBatcher(PartitionKey partitionKey)\n\nProvides the ThresholdBatcher corresponding to the given partitionKey, or constructs one if it\ndoesn't exist yet. The implementation is thread-safe."]]