org.milyn.persistence
Class EntityLocator

java.lang.Object
  org.milyn.persistence.EntityLocator

All Implemented Interfaces:

ContentHandler, DOMElementVisitor, DOMVisitAfter, DOMVisitBefore, DOMVisitor, Consumer, Producer, SAXVisitAfter, SAXVisitBefore, SAXVisitor, Visitor

public class EntityLocator
extends Object
implements DOMElementVisitor, SAXVisitBefore, SAXVisitAfter, Producer, Consumer

DAO Locator

This DAO locator uses lookup methods or methods that accept a query to lookup entities from a data source. In case of a query it depends on the DAO or the Scribe adapter what the query language is.

Configuration

Namespace: http://www.milyn.org/xsd/smooks/persistence-1.2.xsd
Element: locator
Attributes: Take a look at the schema for all the information on the configurations parameters.

Configuration Example

 <?xml version="1.0"?>
 <smooks-resource-list xmlns="http://www.milyn.org/xsd/smooks-1.1.xsd"
    xmlns:dao="http://www.milyn.org/xsd/smooks/persistence-1.2.xsd">
      <dao:locator beanId="entity" lookup="something" lookupOnElement="b">
      <dao:params>
         <dao:value name="arg1" decoder="Integer" data="c" />
         <dao:expression name="arg2">dAnde.d + dAnde.e</dao:expression>
         <dao:wiring name="arg3" beanIdRef="dAnde" wireOnElement="e" />
         <dao:value name="arg4" data="f/@name" />
         <dao:value name="arg5" decoder="Date" data="g" >
            <dao:decodeParam name="format">yyyy-MM-dd HH:mm:ss</dao:decodeParam>
         </dao:value>
      </dao:params>
  </dao:locator>

  <dao:locator beanId="customer" lookupOnElement="b">
     <dao:query>from Customer c where c.id = :arg1</dao:query>
     <dao:params>
        <dao:value name="arg1" decoder="Integer" data="c" />
     </dao:params>
  </dao:locator>
 </smooks-resource-list>
 

Author:

maurice.zeijen@smies.com

Constructor Summary

EntityLocator()

Method Summary

boolean	consumes(Object object)
Set<? extends Object>	getProducts()
void	initialize()
void	initParameterContainer(ExecutionContext executionContext)
void	lookup(ExecutionContext executionContext, Fragment source)
Object	lookup(Object dao, ExecutionContext executionContext)
void	visitAfter(Element element, ExecutionContext executionContext)
void	visitAfter(SAXElement element, ExecutionContext executionContext)
void	visitBefore(Element element, ExecutionContext executionContext)
void	visitBefore(SAXElement element, ExecutionContext executionContext)

Methods inherited from class java.lang.Object

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

Constructor Detail

EntityLocator

public EntityLocator()

Method Detail

initialize

@Initialize
public void initialize()
                throws SmooksConfigurationException

Throws:

SmooksConfigurationException

getProducts

public Set<? extends Object> getProducts()

Specified by:

getProducts in interface Producer

consumes

public boolean consumes(Object object)

Specified by:

consumes in interface Consumer

visitBefore

public void visitBefore(Element element,
                        ExecutionContext executionContext)
                 throws SmooksException

Specified by:

visitBefore in interface DOMVisitBefore

Throws:

SmooksException

visitBefore

public void visitBefore(SAXElement element,
                        ExecutionContext executionContext)
                 throws SmooksException,
                        IOException

Specified by:

visitBefore in interface SAXVisitBefore

Throws:

SmooksException

IOException

visitAfter

public void visitAfter(Element element,
                       ExecutionContext executionContext)
                throws SmooksException

Specified by:

visitAfter in interface DOMVisitAfter

Throws:

SmooksException

visitAfter

public void visitAfter(SAXElement element,
                       ExecutionContext executionContext)
                throws SmooksException,
                       IOException

Specified by:

visitAfter in interface SAXVisitAfter

Throws:

SmooksException

IOException

initParameterContainer

public void initParameterContainer(ExecutionContext executionContext)

lookup

public void lookup(ExecutionContext executionContext,
                   Fragment source)

lookup

public Object lookup(Object dao,
                     ExecutionContext executionContext)