Examples of com.sun.enterprise.deployment.RelationRoleDescriptor

com.sun.enterprise.deployment.RelationRoleDescriptor
This class contains information about one of the partners in a relationship between EJB2.0 CMP EntityBeans. It represents information in the XML element. @author Sanjeev Krishnan

        //collect relationship
        Set rels = bundle.getRelationships();
        Iterator relIter = rels.iterator();
        while (relIter.hasNext()) {
            RelationshipDescriptor rel = (RelationshipDescriptor)relIter.next();
            RelationRoleDescriptor source = rel.getSource();
            RelationRoleDescriptor sink = rel.getSink();


            //collect source RelationshipDescriptor
            String sourceEjbName = source.getOwner().getName();
            ArrayList sourceRels = (ArrayList)ejbRelMap.get(sourceEjbName);
            if (sourceRels == null) {
                sourceRels = new ArrayList();
                ejbRelMap.put(sourceEjbName, sourceRels);
            }
            sourceRels.add(rel);


            //collect source cmr field
            String sourceCMRField = source.getCMRField();
            if (sourceCMRField != null) {
                addField(sourceEjbName, sourceCMRField);
            }


            //collect sink RelationshipDescriptor
            String sinkEjbName = sink.getOwner().getName();
            ArrayList sinkRels = (ArrayList)ejbRelMap.get(sinkEjbName);
            if (sinkRels == null) {
                sinkRels = new ArrayList();
                ejbRelMap.put(sinkEjbName, sinkRels);
            }
            sinkRels.add(rel);


            //collect sink cmr field
            String sinkCMRField = sink.getCMRField();
            if (sinkCMRField != null) {
                addField(sinkEjbName, sinkCMRField);
            }
        }
    }

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    /**
     * getMultiplicity of the other role on the relationship
     * Please note that multiplicity is JDO style
     */
    public String getMultiplicity(String ejbName, String fieldName) {
        RelationRoleDescriptor oppRole = getRelationRoleDescriptor(ejbName,
                fieldName, false);
        return (oppRole.getIsMany()) ? MANY : ONE;
    }

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                fieldName, false);
        return (oppRole.getIsMany()) ? MANY : ONE;
    }


    public String getRelationshipFieldContent(String ejbName, String fieldName) {
        RelationRoleDescriptor oppRole = getRelationRoleDescriptor(ejbName,
                fieldName, false);
        return oppRole.getOwner().getName();
    }

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    /**
     * This method return the fieldName of relation role on the other end.
     */
    public String getInverseFieldName(String ejbName, String fieldName) {
        RelationRoleDescriptor oppRole = getRelationRoleDescriptor(ejbName,
                fieldName, false);
        String inverseName = oppRole.getCMRField();


        // if we are generating relationships, check for a generated inverse
        if ((generateFields) && (inverseName == null))
            inverseName = nameMapper.getGeneratedFieldForEjbField(
                ejbName, fieldName)[1];

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    public String getGeneratedVersionFieldNamePrefix() {
        return nameMapper.GENERATED_VERSION_FIELD_PREFIX;
    }


    public boolean relatedObjectsAreDeleted(String beanName, String fieldName) {
        RelationRoleDescriptor oppRole = getRelationRoleDescriptor(beanName, fieldName, false);
        return oppRole.getCascadeDelete();
    }

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    private RelationRoleDescriptor getRealRelationRoleDescriptor(
            String ejbName, String cmrFieldName, boolean self) {
        ArrayList rels = (ArrayList)ejbRelMap.get(ejbName);
        for (int i = 0; i < rels.size(); i++) {
            RelationshipDescriptor rel = (RelationshipDescriptor)rels.get(i);
            RelationRoleDescriptor source = rel.getSource();
            RelationRoleDescriptor sink = rel.getSink();
            if (ejbName.equals(source.getOwner().getName()) &&
                    cmrFieldName.equals(source.getCMRField())) {
                return (self) ? source : sink;
            } else if (ejbName.equals(sink.getOwner().getName()) &&
                    cmrFieldName.equals(sink.getCMRField())) {
                return (self) ? sink : source;
            }
        }
        throw new IllegalArgumentException();
    }

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        //collect relationship
        Set rels = bundle.getRelationships();
        Iterator relIter = rels.iterator();
        while (relIter.hasNext()) {
            RelationshipDescriptor rel = (RelationshipDescriptor)relIter.next();
            RelationRoleDescriptor source = rel.getSource();
            RelationRoleDescriptor sink = rel.getSink();


            //collect source RelationshipDescriptor
            String sourceEjbName = source.getOwner().getName();
            ArrayList sourceRels = (ArrayList)ejbRelMap.get(sourceEjbName);
            if (sourceRels == null) {
                sourceRels = new ArrayList();
                ejbRelMap.put(sourceEjbName, sourceRels);
            }
            sourceRels.add(rel);


            //collect source cmr field
            String sourceCMRField = source.getCMRField();
            if (sourceCMRField != null) {
                addField(sourceEjbName, sourceCMRField);
            }


            //collect sink RelationshipDescriptor
            String sinkEjbName = sink.getOwner().getName();
            ArrayList sinkRels = (ArrayList)ejbRelMap.get(sinkEjbName);
            if (sinkRels == null) {
                sinkRels = new ArrayList();
                ejbRelMap.put(sinkEjbName, sinkRels);
            }
            sinkRels.add(rel);


            //collect sink cmr field
            String sinkCMRField = sink.getCMRField();
            if (sinkCMRField != null) {
                addField(sinkEjbName, sinkCMRField);
            }
        }
    }

View Full Code Here

    /**
     * getMultiplicity of the other role on the relationship
     * Please note that multiplicity is JDO style
     */
    public String getMultiplicity(String ejbName, String fieldName) {
        RelationRoleDescriptor oppRole = getRelationRoleDescriptor(ejbName,
                fieldName, false);
        return (oppRole.getIsMany()) ? MANY : ONE;
    }

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                fieldName, false);
        return (oppRole.getIsMany()) ? MANY : ONE;
    }


    public String getRelationshipFieldContent(String ejbName, String fieldName) {
        RelationRoleDescriptor oppRole = getRelationRoleDescriptor(ejbName,
                fieldName, false);
        return oppRole.getOwner().getName();
    }

View Full Code Here


    /**
     * This method return the fieldName of relation role on the other end.
     */
    public String getInverseFieldName(String ejbName, String fieldName) {
        RelationRoleDescriptor oppRole = getRelationRoleDescriptor(ejbName,
                fieldName, false);
        String inverseName = oppRole.getCMRField();


        // if we are generating relationships, check for a generated inverse
        if ((generateFields) && (inverseName == null))
            inverseName = nameMapper.getGeneratedFieldForEjbField(
                ejbName, fieldName)[1];

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