/**
  * Declares an association between this object and a ChildStudent object.
  *
  * @param  ChildStudent $v
  * @return $this|\App\Models\Application The current object (for fluent API support)
  * @throws PropelException
  */
 public function setStudent(ChildStudent $v = null)
 {
     if ($v === null) {
         $this->setStudentId(NULL);
     } else {
         $this->setStudentId($v->getId());
     }
     $this->aStudent = $v;
     // Add binding for other direction of this n:n relationship.
     // If this object has already been added to the ChildStudent object, it will not be re-added.
     if ($v !== null) {
         $v->addApplication($this);
     }
     return $this;
 }
 /**
  * Filter the query by a related \App\Models\Student object
  *
  * @param \App\Models\Student|ObjectCollection $student The related object(s) to use as filter
  * @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
  *
  * @throws \Propel\Runtime\Exception\PropelException
  *
  * @return ChildApplicationQuery The current query, for fluid interface
  */
 public function filterByStudent($student, $comparison = null)
 {
     if ($student instanceof \App\Models\Student) {
         return $this->addUsingAlias(ApplicationTableMap::COL_STUDENT_ID, $student->getId(), $comparison);
     } elseif ($student instanceof ObjectCollection) {
         if (null === $comparison) {
             $comparison = Criteria::IN;
         }
         return $this->addUsingAlias(ApplicationTableMap::COL_STUDENT_ID, $student->toKeyValue('PrimaryKey', 'Id'), $comparison);
     } else {
         throw new PropelException('filterByStudent() only accepts arguments of type \\App\\Models\\Student or Collection');
     }
 }