# Uses of Interface
org.apache.torque.adapter.Adapter

Packages that use Adapter
Package
Description
org.apache.torque
Torque is an object-relational mapper for Java.
org.apache.torque.adapter
Adapters between Torque and various databases.
org.apache.torque.avalon
Avalon component implementation.
org.apache.torque.oid
The ID broker, an API to provide persistent object identifiers, as described by Scott Ambler's paper on "Enterprise-Ready Object IDs".
org.apache.torque.sql.objectbuilder
This package contains classes which can build PreparedStatementParts from a single value or column.
org.apache.torque.sql.whereclausebuilder
This package contains classes which can build PreparedStatementParts from a WhereClauseExpression.

- ## Uses of Adapter in org.apache.torque

  Methods in org.apache.torque that return Adapter
  Modifier and Type
  Method
  Description
  `Adapter`
  Database.`getAdapter()`
  Returns the adapter to this database.
  `static Adapter`
  Torque.`getAdapter(String name)`
  Returns the database adapter for a specific database name.
  `Adapter`
  TorqueInstance.`getAdapter(String name)`
  Returns the database adapter for a specific database.
  Methods in org.apache.torque with parameters of type Adapter
  Modifier and Type
  Method
  Description
  `void`
  Database.`setAdapter(Adapter anAdapter)`
  Sets the adapter for this database.

- ## Uses of Adapter in org.apache.torque.adapter

  Classes in org.apache.torque.adapter that implement Adapter
  Modifier and Type
  Class
  Description
  `class`
  `AbstractAdapter`
  This class is the abstract base for any database adapter Support for new databases is added by subclassing this class and implementing its abstract methods, and by registering the new database adapter and its corresponding JDBC driver in the service configuration file.
  `class`
  `DerbyAdapter`
  This is used to connect to an embedded Apache Derby Database using the supplied JDBC driver.
  `class`
  `HsqldbAdapter`
  This is used to connect to Hsqldb databases.
  `class`
  `MssqlAdapter`
  This is used to connect to a MSSQL database.
  `class`
  `MysqlAdapter`
  This is used in order to connect to a MySQL database using the MM drivers.
  `class`
  `NoneAdapter`
  This DatabaseHandler is used when you do not have a database installed.
  `class`
  `OracleAdapter`
  This code should be used for an Oracle database pool.
  `class`
  `PostgresAdapter`
  This is used to connect to PostgresQL databases.
  Methods in org.apache.torque.adapter that return Adapter
  Modifier and Type
  Method
  Description
  `static Adapter`
  AdapterFactory.`autoDetectAdapter(Connection con)`
  Creates a new instance of the Torque database adapter based on the JDBC meta-data
  `static Adapter`
  AdapterFactory.`create(String key)`
  Creates a new instance of the Torque database adapter associated with the specified JDBC driver or adapter key.
  `static Adapter`
  AdapterFactory.`create(String key, String className)`
  Creates a new instance of the Torque database adapter associated with the specified JDBC driver or adapter key and the class defined.
  Methods in org.apache.torque.adapter with parameters of type Adapter
  Modifier and Type
  Method
  Description
  `static void`
  AdapterFactory.`setCapabilities(Connection con, Adapter adapter)`
  Update static capabilities of the Torque database adapter with actual readings based on the JDBC meta-data

- ## Uses of Adapter in org.apache.torque.avalon

  Methods in org.apache.torque.avalon that return Adapter
  Modifier and Type
  Method
  Description
  `Adapter`
  Torque.`getAdapter(String name)`
  Returns database adapter for a specific connection pool.

- ## Uses of Adapter in org.apache.torque.oid

  Fields in org.apache.torque.oid declared as Adapter
  Modifier and Type
  Field
  Description
  `protected Adapter`
  AbstractIdGenerator.`adapter`
  The adapter that knows the correct sql syntax
  Methods in org.apache.torque.oid with parameters of type Adapter
  Modifier and Type
  Method
  Description
  `static IdGenerator`
  IDGeneratorFactory.`create(Adapter adapter, String name)`
  Factory method which instantiates `IdGenerator` implementations based on the return value of the provided adapter's `getIDMethodType()` method.
  Constructors in org.apache.torque.oid with parameters of type Adapter
  Modifier
  Constructor
  Description
  ``
  `AbstractIdGenerator(Adapter adapter, String databaseName)`
  Creates an IdGenerator which will work with the specified database.
  ``
  `AutoIncrementIdGenerator(Adapter adapter, String databaseName)`
  Creates an IdGenerator which will work with the specified database.
  ``
  `SequenceIdGenerator(Adapter adapter, String databaseName)`
  Creates an IdGenerator which will work with the specified database.

- ## Uses of Adapter in org.apache.torque.sql.objectbuilder

  Methods in org.apache.torque.sql.objectbuilder with parameters of type Adapter
  Modifier and Type
  Method
  Description
  `PreparedStatementPart`
  ObjectOrColumnPsPartBuilder.`buildPs(Object toBuildFrom, boolean ignoreCase, Query query, Adapter adapter)`
  Builds a PreparedStatementPart from a column or single value.
  `PreparedStatementPart`
  ObjectPsPartBuilder.`buildPs(Object toBuildFrom, boolean ignoreCase, Query query, Adapter adapter)`
  Builds a PreparedStatementPart from a single Object.

- ## Uses of Adapter in org.apache.torque.sql.whereclausebuilder

  Methods in org.apache.torque.sql.whereclausebuilder with parameters of type Adapter
  Modifier and Type
  Method
  Description
  `PreparedStatementPart`
  CurrentDateTimePsPartBuilder.`buildPs(WhereClauseExpression whereClauseExpression, boolean ignoreCase, Query query, Adapter adapter)`
  Builds a PreparedStatementPart from a WhereClauseExpression.
  `PreparedStatementPart`
  EnumValueBuilder.`buildPs(WhereClauseExpression whereClausePart, boolean ignoreCase, Query query, Adapter adapter)`
  Takes a WhereClauseExpression containing a enum object and unwraps the enum value.
  `PreparedStatementPart`
  InBuilder.`buildPs(WhereClauseExpression whereClausePart, boolean ignoreCase, Query query, Adapter adapter)`
  Takes a columnName and criteria and builds a SQL 'IN' expression taking into account the ignoreCase flag.
  `PreparedStatementPart`
  LikeBuilder.`buildPs(WhereClauseExpression whereClausePart, boolean ignoreCase, Query query, Adapter adapter)`
  Builds the PS part for a WhereClauseExpression with a LIKE operator.
  `PreparedStatementPart`
  NullValueBuilder.`buildPs(WhereClauseExpression whereClausePart, boolean ignoreCase, Query query, Adapter adapter)`
  Builds a PreparedStatementPart from a WhereClauseExpression which rhs is null and which has one of the comparison opertator =, <>, or !
  `PreparedStatementPart`
  StandardBuilder.`buildPs(WhereClauseExpression whereClausePart, boolean ignoreCase, Query query, Adapter adapter)`
  Builds a PreparedStatementPart from a WhereClauseExpression which RHS and LHS is a simple value.
  `PreparedStatementPart`
  VerbatimSqlConditionBuilder.`buildPs(WhereClauseExpression whereClausePart, boolean ignoreCase, Query query, Adapter adapter)`
  Builds the PS part for a WhereClauseExpression with a verbatim SQL condition.
  `PreparedStatementPart`
  WhereClausePsPartBuilder.`buildPs(WhereClauseExpression whereClauseExpression, boolean ignoreCase, Query query, Adapter adapter)`
  Builds a PreparedStatementPart from a WhereClauseExpression.
  `boolean`
  CurrentDateTimePsPartBuilder.`isApplicable(WhereClauseExpression whereClauseExpression, Adapter adapter)`
  Returns whether this WhereClausePsPartBuilder is applicable for a given WhereClauseExpression.
  `boolean`
  EnumValueBuilder.`isApplicable(WhereClauseExpression whereClauseExpression, Adapter adapter)`
  Returns whether this WhereClausePsPartBuilder is applicable for a given WhereClauseExpression.
  `boolean`
  InBuilder.`isApplicable(WhereClauseExpression whereClauseExpression, Adapter adapter)`
  Returns whether this WhereClausePsPartBuilder is applicable for a given WhereClauseExpression.
  `boolean`
  LikeBuilder.`isApplicable(WhereClauseExpression whereClauseExpression, Adapter adapter)`
  Returns whether this WhereClausePsPartBuilder is applicable for a given WhereClauseExpression.
  `boolean`
  NullValueBuilder.`isApplicable(WhereClauseExpression whereClauseExpression, Adapter adapter)`
  Returns whether this WhereClausePsPartBuilder is applicable for a given WhereClauseExpression.
  `boolean`
  StandardBuilder.`isApplicable(WhereClauseExpression whereClauseExpression, Adapter adapter)`
  Returns whether this WhereClausePsPartBuilder is applicable for a given WhereClauseExpression.
  `boolean`
  VerbatimSqlConditionBuilder.`isApplicable(WhereClauseExpression whereClauseExpression, Adapter adapter)`
  Returns whether this WhereClausePsPartBuilder is applicable for a given WhereClauseExpression.
  `boolean`
  WhereClausePsPartBuilder.`isApplicable(WhereClauseExpression whereClauseExpression, Adapter adapter)`
  Returns whether this WhereClausePsPartBuilder is applicable for a given WhereClauseExpression.