/**
* Filter the query by a related Author object
*
* @param Author|PropelObjectCollection $author The related object(s) to use as filter
* @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
*
* @return BookQuery The current query, for fluid interface
* @throws PropelException - if the provided filter is invalid.
*/
public function filterByAuthor($author, $comparison = null)
{
if ($author instanceof Author) {
return $this->addUsingAlias(BookPeer::AUTHOR_ID, $author->getId(), $comparison);
} elseif ($author instanceof PropelObjectCollection) {
if (null === $comparison) {
$comparison = Criteria::IN;
}
return $this->addUsingAlias(BookPeer::AUTHOR_ID, $author->toKeyValue('PrimaryKey', 'Id'), $comparison);
} else {
throw new PropelException('filterByAuthor() only accepts arguments of type Author or PropelCollection');
}
}
/**
* Exclude object from result
*
* @param Author $author Object to remove from the list of results
*
* @return AuthorQuery The current query, for fluid interface
*/
public function prune($author = null)
{
if ($author) {
$this->addUsingAlias(AuthorPeer::ID, $author->getId(), Criteria::NOT_EQUAL);
}
return $this;
}
/**
* Adds an object to the instance pool.
*
* Propel keeps cached copies of objects in an instance pool when they are retrieved
* from the database. In some cases -- especially when you override doSelect*()
* methods in your stub classes -- you may need to explicitly add objects
* to the cache in order to ensure that the same objects are always returned by doSelect*()
* and retrieveByPK*() calls.
*
* @param Author $obj A Author object.
* @param string $key (optional) key to use for instance map (for performance boost if key was already calculated externally).
*/
public static function addInstanceToPool($obj, $key = null)
{
if (Propel::isInstancePoolingEnabled()) {
if ($key === null) {
$key = (string) $obj->getId();
}
// if key === null
AuthorPeer::$instances[$key] = $obj;
}
}
/**
* Declares an association between this object and a Author object.
*
* @param Author $v
* @return Book The current object (for fluent API support)
* @throws PropelException
*/
public function setAuthor(Author $v = null)
{
if ($v === null) {
$this->setAuthorId(NULL);
} else {
$this->setAuthorId($v->getId());
}
$this->aAuthor = $v;
// Add binding for other direction of this n:n relationship.
// If this object has already been added to the Author object, it will not be re-added.
if ($v !== null) {
$v->addBook($this);
}
return $this;
}
