All Known Implementing Classes:

MysqlSchemaStore, RecoverySchemaStore
```
public interface SchemaStore
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Schema`	`getSchema()`	Retrieve the current schema If no Stored schema is found, this method should capture and save a snapshot of the current mysql schema.
`Long`	`getSchemaID()`	Retrieve current schema id Schema id should be an always increasing integer, not current intended for use to refernce the schema, simply as a schema generation indicator.
`List<ResolvedSchemaChange>`	`processSQL(String sql, String currentDatabase, Position position)`	Process a DDL statement Parse the given SQL, applying the changes to the schema.

- Method Detail
  - getSchema
```
Schema getSchema()
          throws SchemaStoreException
```
    Retrieve the current schema If no Stored schema is found, this method should capture and save a snapshot of the current mysql schema.
    
    Returns:
    
    The schema, either retrieved from storage or captured.
    
    Throws:
    
    SchemaStoreException - if we have issues gettng the schema
  - processSQL
```
List<ResolvedSchemaChange> processSQL(String sql,
                                      String currentDatabase,
                                      Position position)
                               throws SchemaStoreException,
                                      InvalidSchemaError
```
    Process a DDL statement Parse the given SQL, applying the changes to the schema. Returns a list of ResolvedSchemaChange objects, representing the DDL that was applied (if any)
    
    Parameters:
    
    sql - The SQL of the DDL statement
    
    currentDatabase - The "contextual database" of the DDL statement
    
    position - The position of the DDL statement
    
    Returns:
    
    A list of the schema changes parsed from the SQL.
    
    Throws:
    
    SchemaStoreException - if we have trouble processing or storing the schema change
    
    InvalidSchemaError - if we find the schema to be in a bad state
  - getSchemaID
```
Long getSchemaID()
          throws SchemaStoreException
```
    Retrieve current schema id Schema id should be an always increasing integer, not current intended for use to refernce the schema, simply as a schema generation indicator.
    
    Returns:
    
    The current schema id
    
    Throws:
    
    SchemaStoreException - if we have trouble getting the schema id

Interface SchemaStore

Method Summary

Method Detail

getSchema

processSQL

getSchemaID