User: dsundstrom
Date: 01/07/09 13:49:00
Added: src/main/org/jboss/metadata RelationshipRoleMetaData.java
Log:
Represents one ejb-relationship-role element found in the ejb-jar.xml
file's ejb-relation elements.
Revision Changes Path
1.1 jboss/src/main/org/jboss/metadata/RelationshipRoleMetaData.java
Index: RelationshipRoleMetaData.java
===================================================================
/*
* JBoss, the OpenSource EJB server
*
* Distributable under LGPL license.
* See terms of license at gnu.org.
*/
package org.jboss.metadata;
import org.w3c.dom.Element;
import org.jboss.ejb.DeploymentException;
/**
* Represents one ejb-relationship-role element found in the ejb-jar.xml
* file's ejb-relation elements.
*
* @author <a href="mailto:[EMAIL PROTECTED]";>Dain Sundstrom</a>
* @version $Revision: 1.1 $
*/
public class RelationshipRoleMetaData extends MetaData {
// one is one
private static int ONE = 1;
// and two is many :)
private static int MANY = 2;
/**
* Role name
*/
private String relationshipRoleName;
/**
* Multiplicity of role, ONE or MANY.
*/
private int multiplicity;
/**
* Should this entity be deleted when related entity is deleted.
*/
private boolean cascadeDelete;
/**
* Name of the entity that has this role.
*/
private String entityName;
/**
* Name of the entity's cmr field for this role.
*/
private String cmrFieldName;
/**
* Type of the cmr field (i.e., collection or set)
*/
private String cmrFieldType;
/**
* Gets the relationship role name
*/
public String getRelationshipRoleName() {
return relationshipRoleName;
}
/**
* Checks if the multiplicity is one.
*/
public boolean isMultiplicityOne() {
return multiplicity == ONE;
}
/**
* Checks if the multiplicity is many.
*/
public boolean isMultiplicityMany() {
return multiplicity == MANY;
}
/**
* Should this entity be deleted when related entity is deleted.
*/
public boolean isCascadeDelete() {
return cascadeDelete;
}
/**
* Gets the name of the entity that has this role.
*/
public String getEntityName() {
return entityName;
}
/**
* Gets the name of the entity's cmr field for this role.
*/
public String getCMRFieldName() {
return cmrFieldName;
}
/**
* Gets the type of the cmr field (i.e., collection or set)
*/
public String getCMRFieldType() {
return cmrFieldType;
}
public void importEjbJarXml (Element element) throws DeploymentException {
// ejb-relationship-role-name?
relationshipRoleName = getElementContent(getOptionalChild(element,
"ejb-relationship-role-name"));
// multiplicity
String multiplicityString = getElementContent(getUniqueChild(element,
"multiplicity"));
if("One".equals(multiplicityString)) {
multiplicity = ONE;
} else if("Many".equals(multiplicityString)) {
multiplicity = MANY;
} else {
throw new DeploymentException("multiplicity should be One or
Many but is " + multiplicityString);
}
// cascade-delete?
Element cascadeDeleteElement = getOptionalChild(element,
"cascade-delete");
if(cascadeDeleteElement != null) {
cascadeDelete = true;
}
// relationship-role-source
Element relationshipRoleSourceElement = getUniqueChild(element,
"relationship-role-source");
entityName =
getElementContent(getUniqueChild(relationshipRoleSourceElement, "ejb-name"));
// cmr-field?
Element cmrFieldElement = getOptionalChild(element, "cmr-field");
if(cmrFieldElement != null) {
// cmr-field-name
cmrFieldName =
getElementContent(getUniqueChild(cmrFieldElement, "cmr-field-name"));
// cmr-field-type?
Element cmrFieldTypeElement =
getOptionalChild(cmrFieldElement, "cmr-field-type");
if(cmrFieldTypeElement != null) {
cmrFieldType = getElementContent(cmrFieldTypeElement);
if(cmrFieldType==null ||
(!cmrFieldType.equals("java.util.Collection") &&
!cmrFieldType.equals("java.util.Set"))) {
throw new DeploymentException("multiplicity
should be java.util.Collection or java.util.Set but is " + cmrFieldType);
}
}
}
}
}
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