org.pentaho.platform.plugin.action.hql
Class HQLBaseComponent

java.lang.Object
  org.pentaho.platform.engine.core.system.PentahoBase
      org.pentaho.platform.engine.services.PentahoMessenger
          org.pentaho.platform.engine.services.solution.ComponentBase
              org.pentaho.platform.plugin.action.hql.HQLBaseComponent

All Implemented Interfaces:

Serializable, IPreparedComponent, IAuditable, IComponent, ILogger, IParameterResolver

Direct Known Subclasses:

HQLDataComponent, HQLLookupRule

public abstract class HQLBaseComponent
extends ComponentBase
implements IPreparedComponent

See Also:

Serialized Form

Field Summary

Fields inherited from class org.pentaho.platform.engine.services.solution.ComponentBase

COMPONENT_EXECUTE_FAIL, MISSING_SESSION

Fields inherited from class org.pentaho.platform.engine.core.system.PentahoBase

EMPTYLOGID, LOGID_MASK1, LOGID_MASK2, LOGID_SEPARATOR

Fields inherited from interface org.pentaho.platform.api.data.IPreparedComponent

PREPARE_LATER_INTER_PREFIX, PREPARE_LATER_PLACEHOLDER, PREPARE_LATER_PREFIX, PREPARED_COMPONENT_NAME, PREPARED_OUTPUT_TYPE

Fields inherited from interface org.pentaho.platform.api.engine.ILogger

ACTIVITY_LOG, DEBUG, ERROR, FATAL, INFO, INSTANCE_LOG, SESSION_LOG, SOLUTION_LOG, TRACE, UNKNOWN, WARN

Constructor Summary

HQLBaseComponent()

Method Summary

void	dispose() if the owner, dispose of the connection
void	done() Allows the component to perform any cleanup after the execution of the action.
IPentahoResultSet	executePrepared(Map preparedParams) executes a prepared method that returns a result set executePrepared looks up any "PREPARELATER" params in the preparedParams map.
abstract Log	getLogger()
abstract String	getResultOutputName()
IPentahoResultSet	getResultSet()
boolean	init() Initialize the Component.
IPentahoConnection	shareConnection() return this class's connection.
abstract boolean	validateSystemSettings()

Methods inherited from class org.pentaho.platform.engine.services.solution.ComponentBase

createFeedbackParameter, createFeedbackParameter, createNewInstance, execute, getActionDefinition, getActionName, getActionTitle, getComponentDefinition, getComponentDefinition, getId, getInitFailMessage, getInitOk, getInstanceId, getLogId, getObjectName, getProcessId, getResourceAsString, getRuntimeContext, getSession, inputMissingError, outputMissingError, promptNeeded, promptNow, resolveParameter, resourceComponentSettingError, resourceMissingError, setActionDefinition, setActionName, setComponentDefinition, setComponentDefinitionMap, setInstanceId, setProcessId, setRuntimeContext, setSession, validate

Methods inherited from class org.pentaho.platform.engine.services.PentahoMessenger

debug, debug, error, error, fatal, fatal, getMessages, getUserString, info, info, setMessages, trace, trace, warn, warn

Methods inherited from class org.pentaho.platform.engine.core.system.PentahoBase

genLogIdFromInfo, genLogIdFromInfo, genLogIdFromSession, getLoggingLevel, setLoggingLevel, setLogId

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.pentaho.platform.api.engine.IComponent

execute, getActionDefinition, getActionName, getComponentDefinition, getInstanceId, getMessages, getProcessId, getRuntimeContext, getSession, setActionDefinition, setActionName, setComponentDefinition, setComponentDefinitionMap, setInstanceId, setMessages, setProcessId, setRuntimeContext, setSession, validate

Methods inherited from interface org.pentaho.platform.api.engine.IAuditable

getId, getObjectName

Methods inherited from interface org.pentaho.platform.api.engine.ILogger

debug, debug, error, error, fatal, fatal, getLoggingLevel, info, info, setLoggingLevel, trace, trace, warn, warn

Constructor Detail

HQLBaseComponent

public HQLBaseComponent()

Method Detail

validateSystemSettings

public abstract boolean validateSystemSettings()

getResultOutputName

public abstract String getResultOutputName()

getLogger

public abstract Log getLogger()

Specified by:

getLogger in class PentahoBase

getResultSet

public IPentahoResultSet getResultSet()

done

public void done()

Description copied from interface: IComponent

Allows the component to perform any cleanup after the execution of the action.

Specified by:

done in interface IComponent

Specified by:

done in class ComponentBase

executePrepared

public IPentahoResultSet executePrepared(Map preparedParams)

executes a prepared method that returns a result set executePrepared looks up any "PREPARELATER" params in the preparedParams map.

Specified by:

executePrepared in interface IPreparedComponent

Parameters:

preparedParams - a map of possible parameters.

Returns:

result set

dispose

public void dispose()

if the owner, dispose of the connection

Specified by:

dispose in interface IPreparedComponent

shareConnection

public IPentahoConnection shareConnection()

return this class's connection. This implements the IPreparedComponent interface, which may share its connection with others.

Specified by:

shareConnection in interface IPreparedComponent

Returns:

connection object

init

public boolean init()

Description copied from interface: IComponent

Initialize the Component. This method is typically called on construction.

Specified by:

init in interface IComponent

Specified by:

init in class ComponentBase

Returns:

returns true if the Component initialized successfully, otherwise returns false