SchemaReader (venice API)

All Superinterfaces:

java.lang.AutoCloseable, java.io.Closeable

All Known Subinterfaces:

StoreMetadata

All Known Implementing Classes:

AbstractStoreMetadata, DaVinciClientBasedMetadata, RequestBasedMetadata, RouterBackedSchemaReader, SchemaRepoBackedSchemaReader, ThinClientBasedMetadata, VeniceClientBasedMetadata
```
public interface SchemaReader
extends java.io.Closeable
```
This interface is considered as an internal interface to Venice codebase. Venice's users should consider using StoreSchemaFetcher to fetch Venice store schemas.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`org.apache.avro.Schema`	`getKeySchema()`
`DerivedSchemaEntry`	`getLatestUpdateSchema()`
`org.apache.avro.Schema`	`getLatestValueSchema()`
`java.lang.Integer`	`getLatestValueSchemaId()`	Get the latest value schema id.
`org.apache.avro.Schema`	`getUpdateSchema(int valueSchemaId)`
`org.apache.avro.Schema`	`getValueSchema(int id)`
`int`	`getValueSchemaId(org.apache.avro.Schema schema)`	Return the schema ID of any schema that has the same parsing canonical form as the schema provided.

Methods inherited from interface java.io.Closeable
close

- Method Detail
  - getKeySchema
```
org.apache.avro.Schema getKeySchema()
```
  - getValueSchema
```
org.apache.avro.Schema getValueSchema(int id)
```
  - getValueSchemaId
```
int getValueSchemaId(org.apache.avro.Schema schema)
```
    Return the schema ID of any schema that has the same parsing canonical form as the schema provided.
    
    Parameters:
    
    schema - The schema for which the schema ID is needed
    
    Returns:
    
    The ID of the schema that has the same parsing canonical form as the schema provided
  - getLatestValueSchema
```
org.apache.avro.Schema getLatestValueSchema()
```
  - getLatestValueSchemaId
```
java.lang.Integer getLatestValueSchemaId()
```
    Get the latest value schema id. This may be different from the value schema with the largest id if the superset schema is not the value schema with the largest id
  - getUpdateSchema
```
org.apache.avro.Schema getUpdateSchema(int valueSchemaId)
```
  - getLatestUpdateSchema
```
DerivedSchemaEntry getLatestUpdateSchema()
```