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Repository: Initialize the internal column and table maps lazily as well

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refs #8826
This commit is contained in:
Johannes Meyer 2015-05-07 09:04:50 +02:00
parent 99be358714
commit eac5e398be
1 changed files with 45 additions and 20 deletions
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65
library/Icinga/Repository/Repository.php
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@ -269,19 +269,31 @@ abstract class Repository implements Selectable
} }
/** /**
* Return a new query for the given columns * Return an array to map table names to aliases
* *
* @param array $columns The desired columns, if null all columns will be queried * @return array
*
* @return RepositoryQuery
*/ */
public function select(array $columns = null) protected function getAliasTableMap()
{ {
$this->initializeAliasMaps(); if (empty($this->aliasTableMap)) {
$this->initializeAliasMaps();
}
$query = new RepositoryQuery($this); return $this->aliasTableMap;
$query->from($this->getBaseTable(), $columns); }
return $query;
/**
* Return a flattened array to map query columns to aliases
*
* @return array
*/
protected function getAliasColumnMap()
{
if (empty($this->aliasColumnMap)) {
$this->initializeAliasMaps();
}
return $this->aliasColumnMap;
} }
/** /**
@ -291,10 +303,6 @@ abstract class Repository implements Selectable
*/ */
protected function initializeAliasMaps() protected function initializeAliasMaps()
{ {
if (! empty($this->aliasColumnMap)) {
return;
}
$queryColumns = $this->getQueryColumns(); $queryColumns = $this->getQueryColumns();
if (empty($queryColumns)) { if (empty($queryColumns)) {
throw new ProgrammingError('Repositories are required to initialize $this->queryColumns first'); throw new ProgrammingError('Repositories are required to initialize $this->queryColumns first');
@ -313,6 +321,20 @@ abstract class Repository implements Selectable
} }
} }
/**
* Return a new query for the given columns
*
* @param array $columns The desired columns, if null all columns will be queried
*
* @return RepositoryQuery
*/
public function select(array $columns = null)
{
$query = new RepositoryQuery($this);
$query->from($this->getBaseTable(), $columns);
return $query;
}
/** /**
* Return this repository's query columns mapped to their respective aliases * Return this repository's query columns mapped to their respective aliases
* *
@ -321,7 +343,7 @@ abstract class Repository implements Selectable
public function requireAllQueryColumns() public function requireAllQueryColumns()
{ {
$map = array(); $map = array();
foreach ($this->aliasColumnMap as $alias => $_) { foreach ($this->getAliasColumnMap() as $alias => $_) {
if ($this->hasQueryColumn($alias)) { if ($this->hasQueryColumn($alias)) {
// Just in case $this->requireQueryColumn has been overwritten and there is some magic going on // Just in case $this->requireQueryColumn has been overwritten and there is some magic going on
$map[$alias] = $this->requireQueryColumn($alias); $map[$alias] = $this->requireQueryColumn($alias);
@ -340,7 +362,7 @@ abstract class Repository implements Selectable
*/ */
public function hasQueryColumn($name) public function hasQueryColumn($name)
{ {
return array_key_exists($name, $this->aliasColumnMap) && !in_array($name, $this->getFilterColumns()); return array_key_exists($name, $this->getAliasColumnMap()) && !in_array($name, $this->getFilterColumns());
} }
/** /**
@ -357,11 +379,13 @@ abstract class Repository implements Selectable
if (in_array($name, $this->getFilterColumns())) { if (in_array($name, $this->getFilterColumns())) {
throw new QueryException(t('Filter column "%s" cannot be queried'), $name); throw new QueryException(t('Filter column "%s" cannot be queried'), $name);
} }
if (! array_key_exists($name, $this->aliasColumnMap)) {
$aliasColumnMap = $this->getAliasColumnMap();
if (! array_key_exists($name, $aliasColumnMap)) {
throw new QueryException(t('Query column "%s" not found'), $name); throw new QueryException(t('Query column "%s" not found'), $name);
} }
return $this->aliasColumnMap[$name]; return $aliasColumnMap[$name];
} }
/** /**
@ -373,7 +397,7 @@ abstract class Repository implements Selectable
*/ */
public function hasFilterColumn($name) public function hasFilterColumn($name)
{ {
return array_key_exists($name, $this->aliasColumnMap); return array_key_exists($name, $this->getAliasColumnMap());
} }
/** /**
@ -387,10 +411,11 @@ abstract class Repository implements Selectable
*/ */
public function requireFilterColumn($name) public function requireFilterColumn($name)
{ {
if (! array_key_exists($name, $this->aliasColumnMap)) { $aliasColumnMap = $this->getAliasColumnMap();
if (! array_key_exists($name, $aliasColumnMap)) {
throw new QueryException(t('Filter column "%s" not found'), $name); throw new QueryException(t('Filter column "%s" not found'), $name);
} }
return $this->aliasColumnMap[$name]; return $aliasColumnMap[$name];
} }
} }