InMemoryCheckpointHandler
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CheckpointHandler implementation to maintain in-memory checkpoint values.
Public Constructor Summary
Public Method Summary
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synchronized
byte[]
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readCheckpoint(String checkpointName)
Reads checkpoint value for given checkpoint name.
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synchronized
void
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saveCheckpoint(String checkpointName, byte[] checkpoint)
Saves given checkpoint value.
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Inherited Method Summary
From class
java.lang.Object
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boolean
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equals(Object arg0)
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final
Class<?>
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getClass()
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int
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hashCode()
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final
void
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notify()
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final
void
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notifyAll()
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String
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toString()
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final
void
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wait(long arg0, int arg1)
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final
void
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wait(long arg0)
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final
void
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wait()
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Public Constructors
public
InMemoryCheckpointHandler
()
Public Methods
public
synchronized
byte[]
readCheckpoint
(String checkpointName)
Reads checkpoint value for given checkpoint name.
Parameters
| checkpointName |
the name of the checkpoint to read |
Returns
- current value of checkpoint.
null if checkpoint is empty or not available
public
synchronized
void
saveCheckpoint
(String checkpointName, byte[] checkpoint)
Saves given checkpoint value.
Parameters
| checkpointName |
the name of the checkpoint to save |
| checkpoint |
value to save |
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Last updated 2025-03-18 UTC.
[null,null,["Last updated 2025-03-18 UTC."],[],[],null,["# InMemoryCheckpointHandler\n\npublic class **InMemoryCheckpointHandler** extends Object \nimplements [CheckpointHandler](/workspace/cloud-search/docs/reference/sdk/com/google/enterprise/cloudsearch/sdk/indexing/template/CheckpointHandler) \nCheckpointHandler implementation to maintain in-memory checkpoint values. \n\n### Public Constructor Summary\n\n|---|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| | [InMemoryCheckpointHandler](/workspace/cloud-search/docs/reference/sdk/com/google/enterprise/cloudsearch/sdk/indexing/template/InMemoryCheckpointHandler#InMemoryCheckpointHandler())() Creates an instance of [InMemoryCheckpointHandler](/workspace/cloud-search/docs/reference/sdk/com/google/enterprise/cloudsearch/sdk/indexing/template/InMemoryCheckpointHandler) |\n\n### Public Method Summary\n\n|-----------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| synchronized byte\\[\\] | [readCheckpoint](/workspace/cloud-search/docs/reference/sdk/com/google/enterprise/cloudsearch/sdk/indexing/template/InMemoryCheckpointHandler#readCheckpoint(java.lang.String))(String checkpointName) Reads checkpoint value for given checkpoint name. |\n| synchronized void | [saveCheckpoint](/workspace/cloud-search/docs/reference/sdk/com/google/enterprise/cloudsearch/sdk/indexing/template/InMemoryCheckpointHandler#saveCheckpoint(java.lang.String, byte[]))(String checkpointName, byte\\[\\] checkpoint) Saves given checkpoint value. |\n\n### Inherited Method Summary\n\nFrom class java.lang.Object \n\n|------------------|---------------------------|\n| boolean | equals(Object arg0) |\n| final Class\\\u003c?\\\u003e | getClass() |\n| int | hashCode() |\n| final void | notify() |\n| final void | notifyAll() |\n| String | toString() |\n| final void | wait(long arg0, int arg1) |\n| final void | wait(long arg0) |\n| final void | wait() |\n\nFrom interface [com.google.enterprise.cloudsearch.sdk.indexing.template.CheckpointHandler](/workspace/cloud-search/docs/reference/sdk/com/google/enterprise/cloudsearch/sdk/indexing/template/CheckpointHandler) \n\n|-------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| abstract byte\\[\\] | [readCheckpoint](/workspace/cloud-search/docs/reference/sdk/com/google/enterprise/cloudsearch/sdk/indexing/template/CheckpointHandler#readCheckpoint(java.lang.String))(String checkpointName) Read current value of saved checkpoint. |\n| abstract void | [saveCheckpoint](/workspace/cloud-search/docs/reference/sdk/com/google/enterprise/cloudsearch/sdk/indexing/template/CheckpointHandler#saveCheckpoint(java.lang.String, byte[]))(String checkpointName, byte\\[\\] checkpoint) Saves checkpoint value. |\n\nPublic Constructors\n-------------------\n\n#### public\n**InMemoryCheckpointHandler**\n()\n\nCreates an instance of [InMemoryCheckpointHandler](/workspace/cloud-search/docs/reference/sdk/com/google/enterprise/cloudsearch/sdk/indexing/template/InMemoryCheckpointHandler)\n\nPublic Methods\n--------------\n\n#### public synchronized byte\\[\\]\n**readCheckpoint**\n(String checkpointName)\n\nReads checkpoint value for given checkpoint name. \n\n##### Parameters\n\n| checkpointName | the name of the checkpoint to read |\n|----------------|------------------------------------|\n\n##### Returns\n\n- current value of checkpoint. `null` if checkpoint is empty or not available \n\n##### Throws\n\n| IOException | |\n|-------------|---|\n\n#### public synchronized void\n**saveCheckpoint**\n(String checkpointName, byte\\[\\] checkpoint)\n\nSaves given checkpoint value. \n\n##### Parameters\n\n| checkpointName | the name of the checkpoint to save |\n| checkpoint | value to save |\n|----------------|------------------------------------|\n\n##### Throws\n\n| IOException | |\n|-------------|---|"]]
