scriptella.driver.velocity
Class VelocityConnection

java.lang.Object
  scriptella.spi.AbstractConnection
      scriptella.driver.text.AbstractTextConnection
          scriptella.driver.velocity.VelocityConnection

All Implemented Interfaces:

scriptella.spi.Connection

public class VelocityConnection
extends AbstractTextConnection

Represents a session to velocity engine.

Nested Class Summary

Nested classes/interfaces inherited from class scriptella.spi.AbstractConnection

scriptella.spi.AbstractConnection.StatementCounter

Field Summary

static java.lang.String

OUTPUT_ENCODING

Fields inherited from class scriptella.driver.text.AbstractTextConnection

encoding, ENCODING, eol, EOL, flush, FLUSH, NULL_STRING, nullString, SKIP_LINES, skipLines, trim, TRIM, url

Fields inherited from class scriptella.spi.AbstractConnection

counter

Constructor Summary

VelocityConnection(scriptella.spi.ConnectionParameters parameters)
Instantiates a velocity connection.

Method Summary

void	close() Closes the connection and releases all related resources.
void	executeQuery(scriptella.spi.Resource queryContent, scriptella.spi.ParametersCallback parametersCallback, scriptella.spi.QueryCallback queryCallback) Executes a query specified by its content.
void	executeScript(scriptella.spi.Resource scriptContent, scriptella.spi.ParametersCallback parametersCallback) Executes a script specified by its content.

Methods inherited from class scriptella.driver.text.AbstractTextConnection

getEncoding, getEol, getUrl, isTrim, newInputReader, newOutputWriter

Methods inherited from class scriptella.spi.AbstractConnection

commit, getDialectIdentifier, getExecutedStatementsCount, isReadonly, rollback, setDialectIdentifier, toString

Methods inherited from class java.lang.Object

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

Field Detail

OUTPUT_ENCODING

public static final java.lang.String OUTPUT_ENCODING

See Also:

Constant Field Values

Constructor Detail

VelocityConnection

public VelocityConnection(scriptella.spi.ConnectionParameters parameters)

Instantiates a velocity connection.

Parameters:

parameters - connection parameters.

Method Detail

executeScript

public void executeScript(scriptella.spi.Resource scriptContent,
                          scriptella.spi.ParametersCallback parametersCallback)
                   throws scriptella.spi.ProviderException

Executes a script specified by its content.

scriptContent may be used as a key for caching purposes, i.e. provider may precompile scripts and use compiled versions for subsequent executions.

This method is synchronized to to prevent multiple threads from working with the same writer. Additionally single velocityEngine and context adapter instances are used.

Parameters:

scriptContent - script content.

parametersCallback - callback to get parameter values.

Throws:

scriptella.spi.ProviderException

executeQuery

public void executeQuery(scriptella.spi.Resource queryContent,
                         scriptella.spi.ParametersCallback parametersCallback,
                         scriptella.spi.QueryCallback queryCallback)
                  throws scriptella.spi.ProviderException

Executes a query specified by its content.

Parameters:

queryContent - query content.

parametersCallback - callback to get parameter values.

queryCallback - callback to call for each result set element produced by this query.

Throws:

scriptella.spi.ProviderException

See Also:

executeScript(scriptella.spi.Resource,scriptella.spi.ParametersCallback)

close

public void close()
           throws scriptella.spi.ProviderException

Closes the connection and releases all related resources.

Throws:

scriptella.spi.ProviderException