uk.ac.ed.epcc.safe.accounting.db

Class AccountingLinkManager.PropertyTargetLink<L extends uk.ac.ed.epcc.webapp.model.data.DataObject,R extends uk.ac.ed.epcc.webapp.model.data.DataObject>

java.lang.Object

uk.ac.ed.epcc.webapp.model.data.DataObject

uk.ac.ed.epcc.webapp.model.data.IndexedLinkManager.Link<L,R>

uk.ac.ed.epcc.webapp.model.data.LinkManager.Link<L,R>

uk.ac.ed.epcc.safe.accounting.db.AccountingLinkManager.PropertyTargetLink<L,R>

All Implemented Interfaces:

ExpressionTarget, ExpressionTargetContainer, PropertyContainer, PropertyTarget, uk.ac.ed.epcc.webapp.Contexed, uk.ac.ed.epcc.webapp.ContextIndexed, uk.ac.ed.epcc.webapp.forms.Identified, uk.ac.ed.epcc.webapp.Indexed

Enclosing class:

AccountingLinkManager<T extends AccountingLinkManager.PropertyTargetLink<L,R>,L extends uk.ac.ed.epcc.webapp.model.data.DataObject,R extends uk.ac.ed.epcc.webapp.model.data.DataObject>

public abstract static class AccountingLinkManager.PropertyTargetLink<L extends uk.ac.ed.epcc.webapp.model.data.DataObject,R extends uk.ac.ed.epcc.webapp.model.data.DataObject>
extends uk.ac.ed.epcc.webapp.model.data.LinkManager.Link<L,R>
implements ExpressionTargetContainer

Field Summary

Fields inherited from class uk.ac.ed.epcc.webapp.model.data.DataObject

DEBUG, record

Fields inherited from interface uk.ac.ed.epcc.webapp.forms.Identified

MAX_IDENTIFIER

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AccountingLinkManager.PropertyTargetLink(AccountingLinkManager<?,L,R> man, uk.ac.ed.epcc.webapp.model.data.Repository.Record res)

Method Summary

Methods

Modifier and Type	Method and Description
<T> T	evaluateExpression(PropExpression<T> expr) Evaluate an expression on the target object
<T> T	evaluateExpression(PropExpression<T> expr, T def) Evaluate expression with default.
java.util.Set<PropertyTag>	getDefinedProperties() Generate a set of all the properties defined in this container
ExpressionTargetFactory	getExpressionTargetFactory()
protected AccountingLinkManager<AccountingLinkManager.PropertyTargetLink<L,R>,L,R>	getFac()
Parser	getParser() Get a Parser used to parse expressions for this target.
<T> T	getProperty(PropertyTag<T> tag) Get the specified property from the container.
<T> T	getProperty(PropertyTag<T> tag, T def) Get property with default.
void	setAll(PropertyContainer source) Copy all compatible properties from one container to another;
<T> void	setOptionalProperty(PropertyTag<? super T> tag, T value) Set the specified property if it is supported
<T> void	setProperty(PropertyTag<? super T> tag, T value) Set the specified property
<T> void	setProperty(PropertyTag<T> tag, PropertyContainer map)
boolean	supports(PropertyTag<?> tag) Is the specified property supported by the container.
boolean	writable(PropertyTag<?> tag) Is the specified property supported for write.

Methods inherited from class uk.ac.ed.epcc.webapp.model.data.LinkManager.Link

getIdentifier, getLinkManager

Methods inherited from class uk.ac.ed.epcc.webapp.model.data.IndexedLinkManager.Link

getIndexedLinkManager, getLeft, getLeftID, getRight, getRightID, isLeftPeer, isRightPeer, post_commit, release, setLeft, setRight, setup

Methods inherited from class uk.ac.ed.epcc.webapp.model.data.DataObject

addToMap, addToMap, addToMap, commit, delete, empty, equals, formUpdate, getContext, getFactoryTag, getID, getIdentifier, getLogger, getMap, getRecord, getRecord, getRecord, getSQLContext, getUniqueIdName, hashCode, postCreate, pre_commit, setContents, setDirty, setMap, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

AccountingLinkManager.PropertyTargetLink

protected AccountingLinkManager.PropertyTargetLink(AccountingLinkManager<?,L,R> man,
                                        uk.ac.ed.epcc.webapp.model.data.Repository.Record res)

Method Detail

getFac

protected AccountingLinkManager<AccountingLinkManager.PropertyTargetLink<L,R>,L,R> getFac()

getProperty

public final <T> T getProperty(PropertyTag<T> tag)
                    throws InvalidPropertyException

Description copied from interface: PropertyContainer

Get the specified property from the container. THe InvalidPropertyException should only be thrown if the supports method would have returned false for the requested property.

Specified by:

getProperty in interface PropertyContainer

Throws:

InvalidPropertyException

Type Parameters:

T - type of property

Parameters:

tag - PropertyTag identifying property

Returns:

value current value of property (may be null if not set).

getProperty

public final <T> T getProperty(PropertyTag<T> tag,
                T def)

Description copied from interface: PropertyTarget

Get property with default. If the property is not supported by the container of if no value has been set then the default value is returned.

Specified by:

getProperty in interface PropertyTarget

Type Parameters:

T - Type of property

Parameters:

tag - PropertTag identifying property

def - default value

Returns:

property value or default.

evaluateExpression

public final <T> T evaluateExpression(PropExpression<T> expr)
                           throws InvalidPropertyException

Description copied from interface: ExpressionTarget

Evaluate an expression on the target object

Specified by:

evaluateExpression in interface ExpressionTarget

Throws:

InvalidPropertyException

Type Parameters:

T - type of expression

Parameters:

expr - expression

Returns:

T

evaluateExpression

public final <T> T evaluateExpression(PropExpression<T> expr,
                       T def)

Description copied from interface: ExpressionTarget

Evaluate expression with default. If the expression does not resolve then return the default value

Specified by:

evaluateExpression in interface ExpressionTarget

Type Parameters:

T - type of expression

Parameters:

expr - expression

def - default value

Returns:

T

setProperty

public final <T> void setProperty(PropertyTag<? super T> tag,
                   T value)
                       throws InvalidPropertyException

Description copied from interface: PropertyContainer

Set the specified property

Specified by:

setProperty in interface PropertyContainer

Throws:

InvalidPropertyException

Type Parameters:

T - type of property

Parameters:

tag - PropertyTag identifying property

setOptionalProperty

public final <T> void setOptionalProperty(PropertyTag<? super T> tag,
                           T value)

Description copied from interface: PropertyContainer

Set the specified property if it is supported

Specified by:

setOptionalProperty in interface PropertyContainer

Type Parameters:

T - type of property

Parameters:

tag - PropertyTag identifying property

setProperty

public final <T> void setProperty(PropertyTag<T> tag,
                   PropertyContainer map)
                       throws InvalidPropertyException

Throws:

InvalidPropertyException

supports

public final boolean supports(PropertyTag<?> tag)

Description copied from interface: PropertyContainer

Is the specified property supported by the container. If the container is unconstrained this always returns true

Specified by:

supports in interface PropertyContainer

Returns:

boolean true if property supported

writable

public final boolean writable(PropertyTag<?> tag)

Description copied from interface: PropertyContainer

Is the specified property supported for write. If the container is unconstrained this always returns true

Specified by:

writable in interface PropertyContainer

Returns:

boolean true if property can be written

getExpressionTargetFactory

public ExpressionTargetFactory getExpressionTargetFactory()

getDefinedProperties

public java.util.Set<PropertyTag> getDefinedProperties()

Description copied from interface: PropertyContainer

Generate a set of all the properties defined in this container

Specified by:

getDefinedProperties in interface PropertyContainer

Returns:

Set

setAll

public void setAll(PropertyContainer source)

Description copied from interface: PropertyContainer

Copy all compatible properties from one container to another;

Specified by:

setAll in interface PropertyContainer

Parameters:

source - PropertyContainer

getParser

public Parser getParser()

Description copied from interface: ExpressionTarget

Get a Parser used to parse expressions for this target.

Specified by:

getParser in interface ExpressionTarget

Returns:

Parser