org.pentaho.reporting.libraries.formula
Class DefaultFormulaContext

java.lang.Object
  org.pentaho.reporting.libraries.formula.DefaultFormulaContext

All Implemented Interfaces:

FormulaContext

public class DefaultFormulaContext
extends Object
implements FormulaContext

Creation-Date: 31.10.2006, 16:32:32

Author:

Thomas Morgner

Constructor Summary

DefaultFormulaContext()

DefaultFormulaContext(org.pentaho.reporting.libraries.base.config.Configuration config)

DefaultFormulaContext(org.pentaho.reporting.libraries.base.config.Configuration config, Locale locale, TimeZone timeZone)

Method Summary

void	defineReference(Object name, Object value)
org.pentaho.reporting.libraries.base.config.Configuration	getConfiguration() Returns the local configuration of the formula.
FunctionRegistry	getFunctionRegistry() Returns the function registry.
LocalizationContext	getLocalizationContext() Returns the localization context of this formula.
OperatorFactory	getOperatorFactory() Returns the operator registry.
TypeRegistry	getTypeRegistry() Returns the type registry.
boolean	isReferenceDirty(Object name) Checks whether the external object referenced by name has changed.
Object	resolveReference(Object name) Resolves the given reference.
Type	resolveReferenceType(Object name) Queries the type of the given reference.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultFormulaContext

public DefaultFormulaContext()

DefaultFormulaContext

public DefaultFormulaContext(org.pentaho.reporting.libraries.base.config.Configuration config)

DefaultFormulaContext

public DefaultFormulaContext(org.pentaho.reporting.libraries.base.config.Configuration config,
                             Locale locale,
                             TimeZone timeZone)

Method Detail

getOperatorFactory

public OperatorFactory getOperatorFactory()

Description copied from interface: FormulaContext

Returns the operator registry. The Operator-registry contains all operator-implementations.

Specified by:

getOperatorFactory in interface FormulaContext

Returns:

the operator registry.

defineReference

public void defineReference(Object name,
                            Object value)

resolveReference

public Object resolveReference(Object name)

Description copied from interface: FormulaContext

Resolves the given reference. How the name is interpreted by the outside system is an implementation detail.

Specified by:

resolveReference in interface FormulaContext

Parameters:

name - the name that identifies the reference.

Returns:

the resolved object.

getConfiguration

public org.pentaho.reporting.libraries.base.config.Configuration getConfiguration()

Description copied from interface: FormulaContext

Returns the local configuration of the formula.

Specified by:

getConfiguration in interface FormulaContext

Returns:

the local configuration.

getFunctionRegistry

public FunctionRegistry getFunctionRegistry()

Description copied from interface: FormulaContext

Returns the function registry. The function registry grants access to all formula-function implementations.

Specified by:

getFunctionRegistry in interface FormulaContext

Returns:

the function registry.

resolveReferenceType

public Type resolveReferenceType(Object name)

Description copied from interface: FormulaContext

Queries the type of the given reference. How the name is interpreted by the outside system is an implementation detail. This return a LibFormula type object matching the type of the object that would be returned by resolveReference.

Specified by:

resolveReferenceType in interface FormulaContext

Parameters:

name - the name that identifies the reference.

Returns:

the type of the resolved object.

getTypeRegistry

public TypeRegistry getTypeRegistry()

Description copied from interface: FormulaContext

Returns the type registry. The type registry contains all type information and allows to convert values between different types.

Specified by:

getTypeRegistry in interface FormulaContext

Returns:

the function registry.

getLocalizationContext

public LocalizationContext getLocalizationContext()

Description copied from interface: FormulaContext

Returns the localization context of this formula. The localization context can be used to query locale specific configuration settings.

Specified by:

getLocalizationContext in interface FormulaContext

Returns:

the localization context.

isReferenceDirty

public boolean isReferenceDirty(Object name)

Description copied from interface: FormulaContext

Checks whether the external object referenced by name has changed.

Specified by:

isReferenceDirty in interface FormulaContext

Parameters:

name - the name that identifies the reference.

Returns:

true, if the reference has changed, false otherwise.