Database (Plan 5.4-SNAPSHOT API)

All Known Implementing Classes:

AbstractDatabase, MySQLDB, SQLDB, SQLiteDB
```
public interface Database
```
Interface for interacting with a Plan SQL database.

Nested Class Summary

Nested Classes
Modifier and Type	Interface	Description
`static class`	`Database.State`	Possible State changes: CLOSED to PATCHING (Database init), PATCHING to OPEN (Database initialized), OPEN to CLOSING (Database closing), CLOSING to CLOSED (Database closed), PATCHING to CLOSED (Database closed prematurely)

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`void`	`close()`
`java.util.concurrent.Future<?>`	`executeTransaction(Transaction transaction)`	Execute an SQL Transaction.
`default Sql`	`getSql()`
`Database.State`	`getState()`
`DBType`	`getType()`	Used to get the `DBType` of the Database
`void`	`init()`	Initializes the Database.
`<T> T`	`query(Query<T> query)`	Execute an SQL Query statement to get a result.

- Method Detail
  - init
```
void init()
```
    Initializes the Database.
    Queries can be performed after this request has completed all required transactions for the database operations.
    
    Throws:
    
    DBInitException - if Database fails to initiate.
  - close
```
void close()
```
  - query
```
<T> T query(Query<T> query)
```
    Execute an SQL Query statement to get a result.
    This method should only be called from an asynchronous thread.
    
    Type Parameters:
    
    T - Type of the object to be returned.
    
    Parameters:
    
    query - QueryStatement to execute.
    
    Returns:
    
    Result of the query.
  - executeTransaction
```
java.util.concurrent.Future<?> executeTransaction(Transaction transaction)
```
    Execute an SQL Transaction.
    
    Parameters:
    
    transaction - Transaction to execute.
    
    Returns:
    
    Future that is finished when the transaction has been executed.
  - getType
```
DBType getType()
```
    Used to get the DBType of the Database
    
    Returns:
    
    the DBType
    
    See Also:
    
    DBType
  - getSql
```
default Sql getSql()
```
  - getState
```
Database.State getState()
```