Package org.apache.cassandra.cdc.schemastore

Class LocalTableSchemaStore

  • All Implemented Interfaces:
    SchemaStore
    public class LocalTableSchemaStore
extends java.lang.Object
implements SchemaStore
    This is an example implementation of a Schema Store. In this particular implementation, we rely on avro schemas placed under the resources folder, inside the table_schemas folder. They will be used as schemas for the tables that have CDC enabled.

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      static LocalTableSchemaStore getInstance()  
      org.apache.avro.generic.GenericDatumReader<org.apache.avro.generic.GenericRecord> getReader​(java.lang.String namespace, java.lang.String name)
      Get the datum reader
      org.apache.avro.Schema getSchema​(java.lang.String namespace, java.lang.String name)
      Expects cassandra keyspace name for namespace and cassandra table name for name.
      org.apache.avro.generic.GenericDatumWriter<org.apache.avro.generic.GenericRecord> getWriter​(java.lang.String namespace, java.lang.String name)
      Get the datum writer
      protected void loadFromResource()  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • LocalTableSchemaStore

        protected LocalTableSchemaStore()

    • Method Detail

      • getSchema

        public org.apache.avro.Schema getSchema​(java.lang.String namespace,
                                        java.lang.String name)
        Expects cassandra keyspace name for namespace and cassandra table name for name.
        Specified by:
        getSchema in interface SchemaStore
        Returns:
        the schema, or throws

      • getWriter

        public org.apache.avro.generic.GenericDatumWriter<org.apache.avro.generic.GenericRecord> getWriter​(java.lang.String namespace,
                                                                                                   java.lang.String name)
        Description copied from interface: SchemaStore
        Get the datum writer
        Specified by:
        getWriter in interface SchemaStore
        Returns:
        the writer, or throws if schema is not found

      • getReader

        public org.apache.avro.generic.GenericDatumReader<org.apache.avro.generic.GenericRecord> getReader​(java.lang.String namespace,
                                                                                                   java.lang.String name)
        Description copied from interface: SchemaStore
        Get the datum reader
        Specified by:
        getReader in interface SchemaStore
        Returns:
        the reader, or throws if schema is not found

      • loadFromResource

        protected void loadFromResource()