Java Doc for EmbeddedComponent.java in  » J2EE » Expresso » com » jcorporate » expresso » kernel » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » J2EE » Expresso » com.jcorporate.expresso.kernel   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.jcorporate.expresso.kernel.EmbeddedComponent All known Subclasses:   com.jcorporate.expresso.core.db.TypeMapper,  com.jcorporate.expresso.core.db.config.JNDIConfig,  com.jcorporate.expresso.core.db.DBConfig, EmbeddedComponent abstract public class EmbeddedComponent implements ExpressoComponent(Code) An Embedded Component is a component that is (1) Not a container and (2) it's metadata is embedded within the metadata of its parent. This allows for the guarantee that if one component is installed that it can bring its required components with it. An example is PersistenceManager author:    Michael Rimov See Also:   com.jcorporate.expresso.core.dataobjects.PersistenceManager Constructor Summary public   EmbeddedComponent()      Method Summary public synchronized  ComponentMetadata getMetaData()      abstract public  String getMetadataName()      Because we look up our metadata in the parent component, we have to somehow know WHAT component's metadata is ours. public synchronized  Containable getParent()      Retrieve the parent component [if any]. public synchronized  void setParent(Containable parent)      Called by the parent upon initial Expresso component creation so that the child component can find it's container. Constructor Detail EmbeddedComponent public EmbeddedComponent()(Code) Default Do Nothing Constructor Method Detail getMetaData public synchronized ComponentMetadata getMetaData()(Code) Returns the metadata by retrieving the appropriate metadata from the parent ComponentMetadata for this component. throws:   IllegalArgumentException - if the parent cannot be queried for theappropriate metadata getMetadataName abstract public String getMetadataName()(Code) Because we look up our metadata in the parent component, we have to somehow know WHAT component's metadata is ours. Sub classes need to override this one-liner and return the name of the metadata we're looking for. java.lang.String getParent public synchronized Containable getParent()(Code) Retrieve the parent component [if any]. May return null. ExpressoComponent or null setParent public synchronized void setParent(Containable parent)(Code) Called by the parent upon initial Expresso component creation so that the child component can find it's container. Parameters:   parent - the 'containing' component. Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)