Module io.helidon.dbclient.common

Package io.helidon.dbclient.common

Class AbstractDbExecute

java.lang.Object

io.helidon.dbclient.common.AbstractDbExecute

All Implemented Interfaces:

DbExecute

Direct Known Subclasses:

MongoDbExecute

public abstract class AbstractDbExecute
extends Object
implements DbExecute

Implements methods that do not require implementation for each provider.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractDbExecute(DbStatements statements)	Create an instance with configured statements.

Method Summary

Modifier and Type	Method	Description
DbStatementDml	createDelete(String statement)	Create a delete statement using a statement text.
DbStatementDml	createDmlStatement(String statement)	Create a data modification statement using a statement passed as an argument.
DbStatementGet	createGet(String statement)	Create a database query returning a single row using a statement passed as an argument.
DbStatementDml	createInsert(String statement)	Create an insert statement using a statement text.
DbStatementDml	createNamedDelete(String statementName)	Create andelete statement using a named statement.
DbStatementDml	createNamedDmlStatement(String statementName)	Create a data modification statement using a statement defined in the configuration file.
DbStatementGet	createNamedGet(String statementName)	Create a database query returning a single row using a statement defined in the configuration file.
DbStatementDml	createNamedInsert(String statementName)	Create an insert statement using a named statement.
DbStatementQuery	createNamedQuery(String statementName)	Create a database query using a statement defined in the configuration file.
DbStatementDml	createNamedUpdate(String statementName)	Create an update statement using a named statement.
DbStatementQuery	createQuery(String statement)	Create a database query using a statement passed as an argument.
DbStatementDml	createUpdate(String statement)	Create an update statement using a statement text.
protected String	generateName(DbStatementType type, String statement)	Generate a name for a statement.
protected String	statementText(String name)	Return a statement text based on the statement name.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.helidon.dbclient.DbExecute

createNamedDelete, createNamedDmlStatement, createNamedGet, createNamedInsert, createNamedQuery, createNamedUpdate, delete, dml, get, insert, namedDelete, namedDml, namedGet, namedInsert, namedQuery, namedUpdate, query, unwrap, update

Constructor Detail

AbstractDbExecute

protected AbstractDbExecute(DbStatements statements)

Create an instance with configured statements.

Parameters:

statements - statements to obtains named statements, esp. for statementText(String).

Method Detail

statementText

protected String statementText(String name)

Return a statement text based on the statement name. This is a utility method that probably would use DbStatements to retrieve the named statements.

Parameters:

name - name of the statement

Returns:

statement text

createNamedQuery

public DbStatementQuery createNamedQuery(String statementName)

Description copied from interface: DbExecute

Create a database query using a statement defined in the configuration file.

Specified by:

createNamedQuery in interface DbExecute

Parameters:

statementName - the name of the configuration node with statement

Returns:

database statement that can process query returning multiple rows

createQuery

public DbStatementQuery createQuery(String statement)

Description copied from interface: DbExecute

Create a database query using a statement passed as an argument.

Specified by:

createQuery in interface DbExecute

Parameters:

statement - the query statement to be executed

Returns:

database statement that can process the query returning multiple rows

createNamedGet

public DbStatementGet createNamedGet(String statementName)

Description copied from interface: DbExecute

Create a database query returning a single row using a statement defined in the configuration file.

Specified by:

createNamedGet in interface DbExecute

Parameters:

statementName - the name of the configuration node with statement

Returns:

database statement that can process query returning a single row

createGet

public DbStatementGet createGet(String statement)

Description copied from interface: DbExecute

Create a database query returning a single row using a statement passed as an argument.

Specified by:

createGet in interface DbExecute

Parameters:

statement - the query statement to be executed

Returns:

database statement that can process query returning a single row

createNamedInsert

public DbStatementDml createNamedInsert(String statementName)

Description copied from interface: DbExecute

Create an insert statement using a named statement.

Specified by:

createNamedInsert in interface DbExecute

Parameters:

statementName - the name of the statement

Returns:

database statement that can insert data

createInsert

public DbStatementDml createInsert(String statement)

Description copied from interface: DbExecute

Create an insert statement using a statement text.

Specified by:

createInsert in interface DbExecute

Parameters:

statement - the statement text

Returns:

database statement that can insert data

createNamedUpdate

public DbStatementDml createNamedUpdate(String statementName)

Description copied from interface: DbExecute

Create an update statement using a named statement.

Specified by:

createNamedUpdate in interface DbExecute

Parameters:

statementName - the name of the statement

Returns:

database statement that can update data

createUpdate

public DbStatementDml createUpdate(String statement)

Description copied from interface: DbExecute

Create an update statement using a statement text.

Specified by:

createUpdate in interface DbExecute

Parameters:

statement - the statement text

Returns:

database statement that can update data

createNamedDelete

public DbStatementDml createNamedDelete(String statementName)

Description copied from interface: DbExecute

Create andelete statement using a named statement.

Specified by:

createNamedDelete in interface DbExecute

Parameters:

statementName - the name of the statement

Returns:

database statement that can delete data

createDelete

public DbStatementDml createDelete(String statement)

Description copied from interface: DbExecute

Create a delete statement using a statement text.

Specified by:

createDelete in interface DbExecute

Parameters:

statement - the statement text

Returns:

database statement that can delete data

createNamedDmlStatement

public DbStatementDml createNamedDmlStatement(String statementName)

Description copied from interface: DbExecute

Create a data modification statement using a statement defined in the configuration file.

Specified by:

createNamedDmlStatement in interface DbExecute

Parameters:

statementName - the name of the configuration node with statement

Returns:

data modification statement

createDmlStatement

public DbStatementDml createDmlStatement(String statement)

Description copied from interface: DbExecute

Create a data modification statement using a statement passed as an argument.

Specified by:

createDmlStatement in interface DbExecute

Parameters:

statement - the data modification statement to be executed

Returns:

data modification statement

generateName

protected String generateName(DbStatementType type,
                              String statement)

Generate a name for a statement. The default implementation uses SHA-256 so the same name is always returned for the same statement.

As there is always a small risk of duplicity, named statements are recommended!

Parameters:

type - type of the statement

statement - statement that it going to be executed

Returns:

name of the statement