org.camunda.bpm.engine.cdi.impl.util
Class ProgrammaticBeanLookup

java.lang.Object
  org.camunda.bpm.engine.cdi.impl.util.ProgrammaticBeanLookup

public class ProgrammaticBeanLookup
extends Object

Utility class for performing programmatic bean lookups.

Author:

Daniel Meyer, Mark Struberg

Field Summary

static Logger

LOG

Constructor Summary

ProgrammaticBeanLookup()

Method Summary

static <T> T	lookup(Class<T> clazz)
static <T> T	lookup(Class<T> clazz, javax.enterprise.inject.spi.BeanManager bm)
static <T> T	lookup(Class<T> clazz, javax.enterprise.inject.spi.BeanManager bm, boolean optional)
static <T> T	lookup(Class<T> clazz, boolean optional)
static Object	lookup(String name)
static Object	lookup(String name, javax.enterprise.inject.spi.BeanManager bm)
static Object	lookup(String name, javax.enterprise.inject.spi.BeanManager bm, boolean optional)

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static final Logger LOG

Constructor Detail

ProgrammaticBeanLookup

public ProgrammaticBeanLookup()

Method Detail

lookup

public static <T> T lookup(Class<T> clazz,
                           javax.enterprise.inject.spi.BeanManager bm)

lookup

public static <T> T lookup(Class<T> clazz,
                           javax.enterprise.inject.spi.BeanManager bm,
                           boolean optional)

lookup

public static Object lookup(String name,
                            javax.enterprise.inject.spi.BeanManager bm)

lookup

public static Object lookup(String name,
                            javax.enterprise.inject.spi.BeanManager bm,
                            boolean optional)

lookup

public static <T> T lookup(Class<T> clazz)

Returns:

a ContextualInstance of the given type

Throws:

javax.enterprise.inject.AmbiguousResolutionException - if the given type is satisfied by more than one Bean

See Also:

lookup(Class, boolean)

lookup

public static <T> T lookup(Class<T> clazz,
                           boolean optional)

Parameters:

optional - if false then the bean must exist.

Returns:

a ContextualInstance of the given type if optional is false. If optional is true null might be returned if no bean got found.

Throws:

IllegalStateException - if there is no bean of the given class, but only if optional is false

javax.enterprise.inject.AmbiguousResolutionException - if the given type is satisfied by more than one Bean

See Also:

lookup(Class, boolean)

lookup

public static Object lookup(String name)