Examples of org.ofbiz.entity.model.ModelRelation

org.ofbiz.entity.model.ModelRelation
Generic Entity - Relation model class

        int fksCreated = 0;


        // go through the relationships to see if any foreign keys need to be added
        Iterator<ModelRelation> relationsIter = entity.getRelationsIterator();
        while (relationsIter.hasNext()) {
            ModelRelation modelRelation = relationsIter.next();
            if ("one".equals(modelRelation.getType())) {
                ModelEntity relModelEntity = modelEntities.get(modelRelation.getRelEntityName());


                if (relModelEntity == null) {
                    String errMsg = "Error adding foreign key: ModelEntity was null for related entity name " + modelRelation.getRelEntityName();
                    Debug.logError(errMsg, module);
                    if (messages != null) messages.add(errMsg);
                    continue;
                }
                if (relModelEntity instanceof ModelViewEntity) {
                    String errMsg = "Error adding foreign key: related entity is a view entity for related entity name " + modelRelation.getRelEntityName();
                    Debug.logError(errMsg, module);
                    if (messages != null) messages.add(errMsg);
                    continue;
                }

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        if (messages != null) messages.add(message);


        // go through the relationships to see if any foreign keys need to be added
        Iterator<ModelRelation> relationsIter = entity.getRelationsIterator();
        while (relationsIter.hasNext()) {
            ModelRelation modelRelation = relationsIter.next();


            if ("one".equals(modelRelation.getType())) {
                ModelEntity relModelEntity = modelEntities.get(modelRelation.getRelEntityName());


                if (relModelEntity == null) {
                    String errMsg = "Error removing foreign key: ModelEntity was null for related entity name " + modelRelation.getRelEntityName();
                    if (messages != null) messages.add(errMsg);
                    Debug.logError(errMsg, module);
                    continue;
                }
                if (relModelEntity instanceof ModelViewEntity) {
                    String errMsg = "Error removing foreign key: related entity is a view entity for related entity name " + modelRelation.getRelEntityName();
                    if (messages != null) messages.add(errMsg);
                    Debug.logError(errMsg, module);
                    continue;
                }

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        int fkisCreated = 0;


        // go through the relationships to see if any foreign keys need to be added
        Iterator<ModelRelation> relationsIter = entity.getRelationsIterator();
        while (relationsIter.hasNext()) {
            ModelRelation modelRelation = relationsIter.next();
            if ("one".equals(modelRelation.getType())) {
                String retMsg = createForeignKeyIndex(entity, modelRelation, constraintNameClipLength);
                if (UtilValidate.isNotEmpty(retMsg)) {
                    String message = "Could not create foreign key indices for entity [" + entity.getEntityName() + "]: " + retMsg;
                    Debug.logError(message, module);
                    if (messages != null) messages.add(message);

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        // go through the relationships to see if any foreign keys need to be added
        Iterator<ModelRelation> relationsIter = entity.getRelationsIterator();


        while (relationsIter.hasNext()) {
            ModelRelation modelRelation = relationsIter.next();


            if ("one".equals(modelRelation.getType())) {
                String retMsg = deleteForeignKeyIndex(entity, modelRelation, constraintNameClipLength);


                if (UtilValidate.isNotEmpty(retMsg)) {
                    if (retMsgsBuffer.length() > 0) {
                        retMsgsBuffer.append("\n");

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    String primaryEntityName, ModelEntity primaryME, boolean isOuterJoin, QueryInfo queryInfo)
    throws GenericEntityException 
  {


    String relationName = relationTitle + relatedEntityName;
    ModelRelation relation = primaryME.getRelation(relationName);


    if (relation == null) {
      Debug.logWarning("Could not find relation for on entity " +
        primaryME.getEntityName() + " for relationName " +
        relationName, module);
    } else {
      // Relation was found. Add it to the where and from clauses.
      ModelReader modelReader = delegator.getModelReader();
      ModelEntity relatedME = modelReader.getModelEntity(relation.getRelEntityName());
      Iterator keyMapsIterator = relation.getKeyMapsIterator();


      List keyMaps = new ArrayList();            


      while (keyMapsIterator.hasNext()) {
        ModelKeyMap keyMap = (ModelKeyMap) keyMapsIterator.next();

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    /* (non-Javadoc)
     * @see org.ofbiz.entity.Delegator#removeRelated(java.lang.String, org.ofbiz.entity.GenericValue, boolean)
     */
    public int removeRelated(String relationName, GenericValue value, boolean doCacheClear) throws GenericEntityException {
        ModelEntity modelEntity = value.getModelEntity();
        ModelRelation relation = modelEntity.getRelation(relationName);


        if (relation == null) {
            throw new GenericModelException("Could not find relation for relationName: " + relationName + " for value " + value);
        }


        Map<String, Object> fields = FastMap.newInstance();
        for (int i = 0; i < relation.getKeyMapsSize(); i++) {
            ModelKeyMap keyMap = relation.getKeyMap(i);
            fields.put(keyMap.getRelFieldName(), value.get(keyMap.getFieldName()));
        }


        return this.removeByAnd(relation.getRelEntityName(), fields, doCacheClear);
    }

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            }


            //TODO: add eca eval calls
            // traverse the relationships
            ModelEntity modelEntity = value.getModelEntity();
            ModelRelation modelRelationOne = modelEntity.getRelation(relationNameOne);
            ModelEntity modelEntityOne = getModelEntity(modelRelationOne.getRelEntityName());
            ModelRelation modelRelationTwo = modelEntityOne.getRelation(relationNameTwo);
            ModelEntity modelEntityTwo = getModelEntity(modelRelationTwo.getRelEntityName());


            GenericHelper helper = getEntityHelper(modelEntity);


            return helper.findByMultiRelation(value, modelRelationOne, modelEntityOne, modelRelationTwo, modelEntityTwo, orderBy);
        } catch (GenericEntityException e) {

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    /* (non-Javadoc)
     * @see org.ofbiz.entity.Delegator#getRelated(java.lang.String, java.util.Map, java.util.List, org.ofbiz.entity.GenericValue)
     */
    public List<GenericValue> getRelated(String relationName, Map<String, ? extends Object> byAndFields, List<String> orderBy, GenericValue value) throws GenericEntityException {
        ModelEntity modelEntity = value.getModelEntity();
        ModelRelation relation = modelEntity.getRelation(relationName);


        if (relation == null) {
            throw new GenericModelException("Could not find relation for relationName: " + relationName + " for value " + value);
        }


        // put the byAndFields (if not null) into the hash map first,
        // they will be overridden by value's fields if over-specified this is important for security and cleanliness
        Map<String, Object> fields = FastMap.newInstance();
        if (byAndFields != null) {
            fields.putAll(byAndFields);
        }
        for (int i = 0; i < relation.getKeyMapsSize(); i++) {
            ModelKeyMap keyMap = relation.getKeyMap(i);
            fields.put(keyMap.getRelFieldName(), value.get(keyMap.getFieldName()));
        }


        return this.findByAnd(relation.getRelEntityName(), fields, orderBy);
    }

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    /* (non-Javadoc)
     * @see org.ofbiz.entity.Delegator#getRelatedDummyPK(java.lang.String, java.util.Map, org.ofbiz.entity.GenericValue)
     */
    public GenericPK getRelatedDummyPK(String relationName, Map<String, ? extends Object> byAndFields, GenericValue value) throws GenericEntityException {
        ModelEntity modelEntity = value.getModelEntity();
        ModelRelation relation = modelEntity.getRelation(relationName);


        if (relation == null) {
            throw new GenericModelException("Could not find relation for relationName: " + relationName + " for value " + value);
        }
        ModelEntity relatedEntity = getModelReader().getModelEntity(relation.getRelEntityName());


        // put the byAndFields (if not null) into the hash map first,
        // they will be overridden by value's fields if over-specified this is important for security and cleanliness
        Map<String, Object> fields = FastMap.newInstance();
        if (byAndFields != null) {
            fields.putAll(byAndFields);
        }
        for (int i = 0; i < relation.getKeyMapsSize(); i++) {
            ModelKeyMap keyMap = relation.getKeyMap(i);
            fields.put(keyMap.getRelFieldName(), value.get(keyMap.getFieldName()));
        }


        return GenericPK.create(this, relatedEntity, fields);
    }

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    /* (non-Javadoc)
     * @see org.ofbiz.entity.Delegator#getRelatedCache(java.lang.String, org.ofbiz.entity.GenericValue)
     */
    public List<GenericValue> getRelatedCache(String relationName, GenericValue value) throws GenericEntityException {
        ModelEntity modelEntity = value.getModelEntity();
        ModelRelation relation = modelEntity.getRelation(relationName);


        if (relation == null) {
            throw new GenericModelException("Could not find relation for relationName: " + relationName + " for value " + value);
        }


        Map<String, Object> fields = FastMap.newInstance();
        for (int i = 0; i < relation.getKeyMapsSize(); i++) {
            ModelKeyMap keyMap = relation.getKeyMap(i);
            fields.put(keyMap.getRelFieldName(), value.get(keyMap.getFieldName()));
        }


        return this.findByAndCache(relation.getRelEntityName(), fields, null);
    }

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