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Glassfish example source code file (RelationRoleDescriptor.java)

This example Glassfish source code file (RelationRoleDescriptor.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Glassfish tags/keywords

cmrfieldinfo, cmrfieldinfo, cmrfieldinfos, ejbcmpentitydescriptor, ejbcmpentitydescriptor, illegalargumentexception, java, localstringmanagerimpl, persistencedescriptor, relationroledescriptor, relationroledescriptor, relationshipdescriptor, string, string

The Glassfish RelationRoleDescriptor.java source code

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package com.sun.enterprise.deployment;

import com.sun.enterprise.util.LocalStringManagerImpl;


/** 
 * This class contains information about one of the partners in 
 * a relationship between EJB2.0 CMP EntityBeans.
 * It represents information in the <ejb-relation-role> XML element.
 *
 * @author Sanjeev Krishnan
 */

public final class RelationRoleDescriptor extends Descriptor {

    private static LocalStringManagerImpl localStrings =
            new LocalStringManagerImpl(RelationRoleDescriptor.class);

    // Bean for owner (role-source) of this side of 
    // the relationship
    private EjbCMPEntityDescriptor owner;
    private PersistenceDescriptor pers;
    private RelationshipDescriptor relnDesc;

    private String roleSourceDescription;
    private String cmrField; // CMR field name in owner's class
    private String cmrFieldDescription;
    private String cmrFieldType; // Java type of cmr-field
    private boolean isMany; 
    private RelationRoleDescriptor partner;
    private boolean cascadeDelete;
    private CMRFieldInfo cmrFieldInfo;
    private String relationRoleName;

    public RelationRoleDescriptor() {}


    /**
     * May return null if the role-source for this relationship role
     * is a remote-ejb-name
     */
    public PersistenceDescriptor getPersistenceDescriptor()
    {
        return pers;
    }

    /*
     * Can be set to null if there is no associated persistence descriptor.
     */
    public void setPersistenceDescriptor(PersistenceDescriptor newPers)
    {
        if( this.pers != null ) {
            // first invalidate cmr stuff in original persistence descriptor
            this.pers.invalidate();
        }

        this.pers = newPers;
        if( newPers != null ) {
            this.owner = (EjbCMPEntityDescriptor)newPers.getParentDescriptor();
        }
        invalidateCMRFieldStuff();
    }

    private void invalidateCMRFieldStuff() {
        cmrFieldInfo = null;
        if( pers != null ) {
            pers.invalidate();
        }
    }

    public RelationshipDescriptor getRelationshipDescriptor()
    {
	return relnDesc;
    }

    public void setRelationshipDescriptor(RelationshipDescriptor relnDesc)
    {
	this.relnDesc = relnDesc;
    }

    public void setOwner(EjbCMPEntityDescriptor owner)
    {
	this.owner = owner;
        invalidateCMRFieldStuff();
    }

    public EjbCMPEntityDescriptor getOwner()
    {
	return owner;
    }

    /**
     * The other role in the relationship I participate in.
     */
    public RelationRoleDescriptor getPartner()
    {
        return partner;
    }
    public void setPartner(RelationRoleDescriptor partner)
    {
        this.partner = partner;
    }

    public String getRelationRoleName()
    {
        return relationRoleName;
    }
    public void setRelationRoleName(String relationRoleName)
    {
        this.relationRoleName = relationRoleName;
    }

    public void setRoleSourceDescription(String roleSourceDescription)
    {
        this.roleSourceDescription = roleSourceDescription;
    }
    public String getRoleSourceDescription()
    {
	if ( roleSourceDescription == null )
	    roleSourceDescription = "";
        return roleSourceDescription;
    }

    /**
     * Set to NULL to indicate no cmr field
     */
    public void setCMRField(String cmrField)
    {
	this.cmrField =  cmrField;
        invalidateCMRFieldStuff();
    }
    public String getCMRField()
    {
        return cmrField;
    }

    public void setCMRFieldDescription(String cmrFieldDescription)
    {
        this.cmrFieldDescription = cmrFieldDescription;
    }
    public String getCMRFieldDescription()
    {
	if ( cmrFieldDescription == null )
	    cmrFieldDescription = "";
        return cmrFieldDescription;
    }

    /**
     * Only applicable when partner is collection-valued.
     * Set to NULL to indicate no field type is not applicable.
     */
    public void setCMRFieldType(String newCmrFieldType)
    {
        if( newCmrFieldType == null ) {
            this.cmrFieldType = null; 
            invalidateCMRFieldStuff();
        } else if ( newCmrFieldType.equals("java.util.Collection") 
                    || newCmrFieldType.equals("java.util.Set") ) {
	    this.cmrFieldType =  newCmrFieldType;
            invalidateCMRFieldStuff();
	} else {
	    throw new IllegalArgumentException
                ("cmr-field-type is " + newCmrFieldType + 
                 ", must be java.util.Collection or java.util.Set");
	}
    }
    public String getCMRFieldType()
    {
        return cmrFieldType;
    }

    public void setIsMany(boolean isMany)
    {
        this.isMany =  isMany;
        invalidateCMRFieldStuff();        
    }
    public boolean getIsMany()
    {
        return isMany;
    }

    public void setCascadeDelete(boolean cascadeDelete)
    {
        this.cascadeDelete =  cascadeDelete;
    }
    public boolean getCascadeDelete()
    {
        return cascadeDelete;
    }

    public void setCMRFieldInfo(CMRFieldInfo cmrFieldInfo)
    {
	this.cmrFieldInfo = cmrFieldInfo;
    }
    public CMRFieldInfo getCMRFieldInfo()
    {
	if ( cmrFieldInfo == null && pers != null ) 
	    pers.getCMRFieldInfo(); // tell pers to initialize its CMRFieldInfos
	return cmrFieldInfo;
    }
    
    public String composeReverseCmrFieldName() {
        EjbCMPEntityDescriptor cmpDesc = getPartner().getOwner();
        String reverseCmrFieldName = "_" + cmpDesc.getName() + 
            "_" + getPartner().getCMRField();
        return reverseCmrFieldName;
    }    
}
     

Other Glassfish examples (source code examples)

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