Package org.eclipse.persistence.internal.expressions

Examples of org.eclipse.persistence.internal.expressions.FieldExpression

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            ObjectLevelReadQuery nestedQuery = getJoinedAttributeManager().getNestedJoinedMappingQuery(expression);
            FetchGroup nestedFetchGroup = nestedQuery.getExecutionFetchGroup();
            if(nestedFetchGroup != null) {
                List<DatabaseField> nestedFields = nestedQuery.getFetchGroupSelectionFields(mapping);
                for(DatabaseField field : nestedFields) {
                    fields.add(new FieldExpression((DatabaseField)field, expression));
                }
                return;
            }
        }
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     * Return relation table locking clause.
     */
    public void setRelationTableLockingClause(ObjectLevelReadQuery targetQuery, ObjectBuildingQuery sourceQuery) {
        ForUpdateOfClause lockingClause = new ForUpdateOfClause();
        lockingClause.setLockMode(sourceQuery.getLockMode());
        FieldExpression exp = (FieldExpression)targetQuery.getExpressionBuilder().getTable(this.relationTable).getField(this.sourceRelationKeyFields.get(0));
        lockingClause.addLockedExpression(exp);
        targetQuery.setLockingClause(lockingClause);
        // locking clause is not compatible with DISTINCT
        targetQuery.setShouldOuterJoinSubclasses(true);
    }
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            ObjectLevelReadQuery nestedQuery = getJoinedAttributeManager().getNestedJoinedMappingQuery(expression);
            FetchGroup nestedFetchGroup = nestedQuery.getExecutionFetchGroup();
            if(nestedFetchGroup != null) {
                List<DatabaseField> nestedFields = nestedQuery.getFetchGroupSelectionFields(mapping);
                for(DatabaseField field : nestedFields) {
                    fields.add(new FieldExpression(field, expression));
                }
                return;
            }
        }
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     * Return relation table locking clause.
     */
    public void setRelationTableLockingClause(ObjectLevelReadQuery targetQuery, ObjectBuildingQuery sourceQuery) {
        ForUpdateOfClause lockingClause = new ForUpdateOfClause();
        lockingClause.setLockMode(sourceQuery.getLockMode());
        FieldExpression exp = (FieldExpression)targetQuery.getExpressionBuilder().getTable(this.relationTable).getField(this.sourceRelationKeyFields.get(0));
        lockingClause.addLockedExpression(exp);
        targetQuery.setLockingClause(lockingClause);
        // locking clause is not compatible with DISTINCT
        targetQuery.setShouldOuterJoinSubclasses(true);
    }
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            ObjectLevelReadQuery nestedQuery = getJoinedAttributeManager().getNestedJoinedMappingQuery(expression);
            FetchGroup nestedFetchGroup = nestedQuery.getExecutionFetchGroup();
            if(nestedFetchGroup != null) {
                List<DatabaseField> nestedFields = nestedQuery.getFetchGroupSelectionFields(mapping);
                for(DatabaseField field : nestedFields) {
                    fields.add(new FieldExpression(field, expression));
                }
                return;
            }
        }
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Related Classes of org.eclipse.persistence.internal.expressions.FieldExpression

  • org.eclipse.persistence.descriptors.ClassDescriptor
  • org.eclipse.persistence.mappings.RelationTableMechanism
  • org.eclipse.persistence.queries.ObjectLevelReadQuery
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