org.sqlproc.engine.type

Class SqlCharType

java.lang.Object

org.sqlproc.engine.type.SqlMetaType

org.sqlproc.engine.type.SqlInternalType

org.sqlproc.engine.type.SqlProviderType

org.sqlproc.engine.type.SqlCharType

Direct Known Subclasses:

JdbcCharType

public abstract class SqlCharType
extends SqlProviderType

The META type CHARACTER.

Author:

Vladimir Hudec

Field Summary

Fields inherited from class org.sqlproc.engine.type.SqlMetaType

logger

Constructor Summary

Constructors

Constructor and Description
SqlCharType()

Method Summary

Methods

Modifier and Type	Method and Description
void	addScalar(SqlQuery query, String dbName, Class<?> attributeType) Declares a scalar query result, which is an SQL query execution output value.
Class<?>[]	getClassTypes() The list of Java class types related to this META type.
String[]	getMetaTypes() The list of names of this META type.
void	setParameter(SqlQuery query, String paramName, Object inputValue, Class<?> inputType, boolean ingoreError) Binds an input value to a named query parameter.
void	setResult(Object resultInstance, String attributeName, Object resultValue, boolean ingoreError) Initializes the attribute of the result class with output value from the SQL query execution.

Methods inherited from class org.sqlproc.engine.type.SqlProviderType

getProviderSqlNullType, getProviderSqlType

Methods inherited from class java.lang.Object

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

Constructor Detail

SqlCharType

public SqlCharType()

Method Detail

getClassTypes

public Class<?>[] getClassTypes()

The list of Java class types related to this META type.

Specified by:

getClassTypes in class SqlInternalType

getMetaTypes

public String[] getMetaTypes()

The list of names of this META type. These names can be used in the META SQL statements.

Specified by:

getMetaTypes in class SqlInternalType

addScalar

public void addScalar(SqlQuery query,
             String dbName,
             Class<?> attributeType)

Declares a scalar query result, which is an SQL query execution output value.

Specified by:

addScalar in class SqlMetaType

Parameters:

query - the SQL Engine query, an adapter or proxy to the internal JDBC or ORM staff

dbName - the name of a database query output, it can be the column name or the alias name

attributeType - the Java type of of the attribute in the result class

setResult

public void setResult(Object resultInstance,
             String attributeName,
             Object resultValue,
             boolean ingoreError)
               throws SqlRuntimeException

Initializes the attribute of the result class with output value from the SQL query execution.

Specified by:

setResult in class SqlMetaType

Parameters:

resultInstance - the instance of the result class

attributeName - the name of the attribute in the result class

resultValue - the query execution output value

ingoreError - ignore improper output value handling

Throws:

SqlRuntimeException - in the case of any problem with the output values handling

setParameter

public void setParameter(SqlQuery query,
                String paramName,
                Object inputValue,
                Class<?> inputType,
                boolean ingoreError)
                  throws SqlRuntimeException

Binds an input value to a named query parameter.

Specified by:

setParameter in class SqlMetaType

Parameters:

query - the SQL Engine query, an adapter or proxy to the internal JDBC or ORM staff

paramName - the name of the parameter

inputValue - the possibly-null parameter value, a dynamic input value

ingoreError - ignore improper input value handling

Throws:

SqlRuntimeException - in the case of any problem with the input values handling