Encode a timestamp in a way that it will be interpreted as an event time if published on a
message with an attribute named PUBSUB_LITE_EVENT_TIME_TIMESTAMP_PROTO.
[[["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 2025-08-28 UTC."],[],[],null,["# Class MessageTransforms (1.15.13)\n\nVersion latestkeyboard_arrow_down\n\n- [1.15.13 (latest)](/java/docs/reference/google-cloud-pubsublite/latest/com.google.cloud.pubsublite.cloudpubsub.MessageTransforms)\n- [1.15.12](/java/docs/reference/google-cloud-pubsublite/1.15.12/com.google.cloud.pubsublite.cloudpubsub.MessageTransforms)\n- [1.14.8](/java/docs/reference/google-cloud-pubsublite/1.14.8/com.google.cloud.pubsublite.cloudpubsub.MessageTransforms)\n- [1.13.8](/java/docs/reference/google-cloud-pubsublite/1.13.8/com.google.cloud.pubsublite.cloudpubsub.MessageTransforms)\n- [1.12.22](/java/docs/reference/google-cloud-pubsublite/1.12.22/com.google.cloud.pubsublite.cloudpubsub.MessageTransforms)\n- [1.11.2](/java/docs/reference/google-cloud-pubsublite/1.11.2/com.google.cloud.pubsublite.cloudpubsub.MessageTransforms)\n- [1.10.0](/java/docs/reference/google-cloud-pubsublite/1.10.0/com.google.cloud.pubsublite.cloudpubsub.MessageTransforms)\n- [1.9.4](/java/docs/reference/google-cloud-pubsublite/1.9.4/com.google.cloud.pubsublite.cloudpubsub.MessageTransforms)\n- [1.8.0](/java/docs/reference/google-cloud-pubsublite/1.8.0/com.google.cloud.pubsublite.cloudpubsub.MessageTransforms)\n- [1.7.1](/java/docs/reference/google-cloud-pubsublite/1.7.1/com.google.cloud.pubsublite.cloudpubsub.MessageTransforms)\n- [1.6.3](/java/docs/reference/google-cloud-pubsublite/1.6.3/com.google.cloud.pubsublite.cloudpubsub.MessageTransforms)\n- [1.5.5](/java/docs/reference/google-cloud-pubsublite/1.5.5/com.google.cloud.pubsublite.cloudpubsub.MessageTransforms)\n- [1.4.12](/java/docs/reference/google-cloud-pubsublite/1.4.12/com.google.cloud.pubsublite.cloudpubsub.MessageTransforms) \n\n public class MessageTransforms\n\nMessageTransforms details how to transform message representations from Cloud Pub/Sub to Pub/Sub\nLite.\n\nTransformers are made public to allow user code that currently uses PubsubMessages to use\ninterfaces interacting with Pub/Sub Lite. \n\nInheritance\n-----------\n\n[java.lang.Object](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html) \\\u003e MessageTransforms \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\nStatic Fields\n-------------\n\n### PUBSUB_LITE_EVENT_TIME_TIMESTAMP_PROTO\n\n public static final String PUBSUB_LITE_EVENT_TIME_TIMESTAMP_PROTO\n\nStatic Methods\n--------------\n\n### decodeAttributeEventTime(String encoded)\n\n public static Timestamp decodeAttributeEventTime(String encoded)\n\nDecode a timestamp encoded with encodeAttributeEventTime.\n\n### encodeAttributeEventTime(Timestamp timestamp)\n\n public static String encodeAttributeEventTime(Timestamp timestamp)\n\nEncode a timestamp in a way that it will be interpreted as an event time if published on a\nmessage with an attribute named PUBSUB_LITE_EVENT_TIME_TIMESTAMP_PROTO.\n\n### fromCpsPublishTransformer(KeyExtractor keyExtractor)\n\n public static MessageTransformer\u003cPubsubMessage,Message\u003e fromCpsPublishTransformer(KeyExtractor keyExtractor)\n\n### toCpsPublishTransformer()\n\n public static MessageTransformer\u003cMessage,PubsubMessage\u003e toCpsPublishTransformer()\n\n### toCpsSubscribeTransformer()\n\n public static MessageTransformer\u003cSequencedMessage,PubsubMessage\u003e toCpsSubscribeTransformer()"]]
