<?php
/*
 *  $Id: Column.php 1594 2010-03-15 09:16:23Z francois $
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the LGPL. For more information please see
 * <http://propel.phpdb.org>.
 */

require_once 'propel/engine/database/model/XMLElement.php';
include_once 'propel/engine/EngineException.php';
include_once 'propel/engine/database/model/PropelTypes.php';
include_once 'propel/engine/database/model/Inheritance.php';
include_once 'propel/engine/database/model/Domain.php';
include_once 'propel/engine/database/model/ColumnDefaultValue.php';

/**
 * A Class for holding data about a column used in an Application.
 *
 * @author     Hans Lellelid <hans@xmpl.org> (Propel)
 * @author     Leon Messerschmidt <leon@opticode.co.za> (Torque)
 * @author     Jason van Zyl <jvanzyl@apache.org> (Torque)
 * @author     Jon S. Stevens <jon@latchkey.com> (Torque)
 * @author     Daniel Rall <dlr@finemaltcoding.com> (Torque)
 * @author     Byron Foster <byron_foster@yahoo.com> (Torque)
 * @author     Bernd Goldschmidt <bgoldschmidt@rapidsoft.de>
 * @version    $Revision: 1594 $
 * @package    propel.engine.database.model
 */
class Column extends XMLElement {

  const DEFAULT_TYPE = "VARCHAR";
  const DEFAULT_VISIBILITY = 'public';
  public static $valid_visibilities = array('public', 'protected', 'private');

  private $name;
  private $description;
  private $phpName = null;
  private $phpNamingMethod;
  private $isNotNull = false;
  private $size;
  private $namePrefix;
  private $accessorVisibility;
  private $mutatorVisibility;

  /**
   * The name to use for the Peer constant that identifies this column.
   * (Will be converted to all-uppercase in the templates.)
   * @var        string
   */
  private $peerName;

  /**
   * Native PHP type (scalar or class name)
   * @var        string "string", "boolean", "int", "double"
   */
  private $phpType;

  /**
   * @var        Table
   */
  private $parentTable;

  private $position;
  private $isPrimaryKey = false;
  private $isNodeKey = false;
  private $nodeKeySep;
  private $isNestedSetLeftKey = false;
  private $isNestedSetRightKey = false;
  private $isTreeScopeKey = false;
  private $isUnique = false;
  private $isAutoIncrement = false;
  private $isLazyLoad = false;
  private $defaultValue;
  private $referrers;
  private $isPrimaryString = false;

  // only one type is supported currently, which assumes the
  // column either contains the classnames or a key to
  // classnames specified in the schema.  Others may be
  // supported later.
  private $inheritanceType;
  private $isInheritance;
  private $isEnumeratedClasses;
  private $inheritanceList;
  private $needsTransactionInPostgres; //maybe this can be retrieved from vendorSpecificInfo

  /** class name to do input validation on this column */
  private $inputValidator = null;

  /**
   * @var        Domain The domain object associated with this Column.
   */
  private $domain;

  /**
   * Creates a new column and set the name
   *
   * @param      name column name
   */
  public function __construct($name = null)
  {
    $this->name = $name;
  }

  /**
   * Return a comma delimited string listing the specified columns.
   *
   * @param      columns Either a list of <code>Column</code> objects, or
   * a list of <code>String</code> objects with column names.
   * @deprecated Use the DDLBuilder->getColumnList() method instead; this will be removed in 1.3
   */
  public static function makeList($columns, Platform $platform)
  {
    $list = array();
    foreach ($columns as $col) {
      if ($col instanceof Column) {
        $col = $col->getName();
      }
      $list[] = $platform->quoteIdentifier($col);
    }
    return implode(", ", $list);
  }

  /**
   * Sets up the Column object based on the attributes that were passed to loadFromXML().
   * @see        parent::loadFromXML()
   */
  protected function setupObject()
  {
    try {
      $dom = $this->getAttribute("domain");
      if ($dom)  {
        $this->getDomain()->copy($this->getTable()->getDatabase()->getDomain($dom));
      } else {
        $type = strtoupper($this->getAttribute("type"));
        if ($type) {
          $this->getDomain()->copy($this->getPlatform()->getDomainForType($type));
        } else {
          $this->getDomain()->copy($this->getPlatform()->getDomainForType(self::DEFAULT_TYPE));
        }
      }

      $this->name = $this->getAttribute("name");
      $this->phpName = $this->getAttribute("phpName");
      $this->phpType = $this->getAttribute("phpType");

      if ($this->getAttribute("prefix", null) !== null) {
        $this->namePrefix = $this->getAttribute("prefix");
      } elseif ($this->getTable()->getAttribute('columnPrefix', null) !== null) {
        $this->namePrefix = $this->getTable()->getAttribute('columnPrefix');
      } else {
        $this->namePrefix = '';
      }

      // Accessor visibility
      if ($this->getAttribute('accessorVisibility', null) !==  null) {
        $this->setAccessorVisibility($this->getAttribute('accessorVisibility'));
      } elseif ($this->getTable()->getAttribute('defaultAccessorVisibility', null) !== null) {
        $this->setAccessorVisibility($this->getTable()->getAttribute('defaultAccessorVisibility'));
      } elseif ($this->getTable()->getDatabase()->getAttribute('defaultAccessorVisibility', null) !== null) {
        $this->setAccessorVisibility($this->getTable()->getDatabase()->getAttribute('defaultAccessorVisibility'));
      } else {
        $this->setAccessorVisibility(self::DEFAULT_VISIBILITY);
      }

      // Mutator visibility
      if ($this->getAttribute('mutatorVisibility', null) !==  null) {
        $this->setMutatorVisibility($this->getAttribute('mutatorVisibility'));
      } elseif ($this->getTable()->getAttribute('defaultMutatorVisibility', null) !== null) {
        $this->setMutatorVisibility($this->getTable()->getAttribute('defaultMutatorVisibility'));
      } elseif ($this->getTable()->getDatabase()->getAttribute('defaultMutatorVisibility', null) !== null) {
        $this->setMutatorVisibility($this->getTable()->getDatabase()->getAttribute('defaultMutatorVisibility'));
      } else {
        $this->setMutatorVisibility(self::DEFAULT_VISIBILITY);
      }

      $this->peerName = $this->getAttribute("peerName");

      // retrieves the method for converting from specified name to a PHP name, defaulting to parent tables default method
      $this->phpNamingMethod = $this->getAttribute("phpNamingMethod", $this->parentTable->getDatabase()->getDefaultPhpNamingMethod());

      $this->isPrimaryString = $this->booleanValue($this->getAttribute("primaryString"));
      
      $this->isPrimaryKey = $this->booleanValue($this->getAttribute("primaryKey"));

      $this->isNodeKey = $this->booleanValue($this->getAttribute("nodeKey"));
      $this->nodeKeySep = $this->getAttribute("nodeKeySep", ".");

      $this->isNestedSetLeftKey = $this->booleanValue($this->getAttribute("nestedSetLeftKey"));
      $this->isNestedSetRightKey = $this->booleanValue($this->getAttribute("nestedSetRightKey"));
      $this->isTreeScopeKey = $this->booleanValue($this->getAttribute("treeScopeKey"));

      $this->isNotNull = ($this->booleanValue($this->getAttribute("required"), false) || $this->isPrimaryKey); // primary keys are required

      //AutoIncrement/Sequences
      $this->isAutoIncrement = $this->booleanValue($this->getAttribute("autoIncrement"));
      $this->isLazyLoad = $this->booleanValue($this->getAttribute("lazyLoad"));

      // Add type, size information to associated Domain object
      $this->getDomain()->replaceSqlType($this->getAttribute("sqlType"));
      if (!$this->getAttribute("size") && $this->getDomain()->getType() == 'VARCHAR' && !$this->getAttribute("sqlType")) {
        $size = 255;
      } else {
        $size = $this->getAttribute("size");
      }
      $this->getDomain()->replaceSize($size);
      $this->getDomain()->replaceScale($this->getAttribute("scale"));

      $defval = $this->getAttribute("defaultValue", $this->getAttribute("default"));
      if ($defval !== null && strtolower($defval) !== 'null') {
        $this->getDomain()->setDefaultValue(new ColumnDefaultValue($defval, ColumnDefaultValue::TYPE_VALUE));
      } elseif ($this->getAttribute("defaultExpr") !== null) {
        $this->getDomain()->setDefaultValue(new ColumnDefaultValue($this->getAttribute("defaultExpr"), ColumnDefaultValue::TYPE_EXPR));
      }

      $this->inheritanceType = $this->getAttribute("inheritance");
      $this->isInheritance = ($this->inheritanceType !== null
      && $this->inheritanceType !== "false"); // here we are only checking for 'false', so don't
      // use boleanValue()

      $this->inputValidator = $this->getAttribute("inputValidator");
      $this->description = $this->getAttribute("description");
    } catch (Exception $e) {
      throw new EngineException("Error setting up column " . var_export($this->getAttribute("name"), true) . ": " . $e->getMessage());
    }
  }

  /**
   * Gets domain for this column, creating a new empty domain object if none is set.
   * @return     Domain
   */
  public function getDomain()
  {
    if ($this->domain === null) {
      $this->domain = new Domain();
    }
    return $this->domain;
  }

  /**
   * Returns table.column
   */
  public function getFullyQualifiedName()
  {
    return ($this->parentTable->getName() . '.' . $this->getName());
  }

  /**
   * Get the name of the column
   */
  public function getName()
  {
    return $this->name;
  }

  /**
   * Set the name of the column
   */
  public function setName($newName)
  {
    $this->name = $newName;
  }

  /**
   * Get the description for the Table
   */
  public function getDescription()
  {
    return $this->description;
  }

  /**
   * Set the description for the Table
   *
   * @param      newDescription description for the Table
   */
  public function setDescription($newDescription)
  {
    $this->description = $newDescription;
  }

  /**
   * Get name to use in PHP sources. It will set & return
   * a self-generated phpName from it's name if it's
   * not already set.
   * @return     string
   */
  public function getPhpName()
  {
    if ($this->phpName === null) {
      $this->setPhpName();
    }
    return $this->phpName;
  }

  /**
   * Set name to use in PHP sources.
   * 
   * It will generate a phpName from it's name if no
   * $phpName is passed.
   * 
   * @param   String $phpName PhpName to be set
   */
  public function setPhpName($phpName = null)
  {
    if ($phpName == null) {
      $this->phpName = self::generatePhpName($this->name, $this->phpNamingMethod, $this->namePrefix);
    } else {
      $this->phpName = $phpName;
    }
  }

  /**
   * Get studly version of PHP name.
   *
   * The studly name is the PHP name with the first character lowercase.
   *
   * @return     string
   */
  public function getStudlyPhpName()
  {
    $phpname = $this->getPhpName();
    if (strlen($phpname) > 1) {
      return strtolower(substr($phpname, 0, 1)) . substr($phpname, 1);
    } else { // 0 or 1 chars (I suppose that's rare)
      return strtolower($phpname);
    }
  }

  /**
   * Get the visibility of the accessors of this column / attribute
   * @return     string
   */
  public function getAccessorVisibility() {
    if ($this->accessorVisibility !== null) {
      return $this->accessorVisibility;
    } else {
      return self::DEFAULT_VISIBILITY;
    }
  }

  /**
   * Set the visibility of the accessor methods for this column / attribute
   * @param      $newVisibility string
   */
  public function setAccessorVisibility($newVisibility) {
    if (in_array($newVisibility, self::$valid_visibilities)) {
      $this->accessorVisibility = $newVisibility;
    } else {
      $this->accessorVisibility = self::DEFAULT_VISIBILITY;
    }

  }

  /**
   * Get the visibility of the mutator of this column / attribute
   * @return     string
   */
  public function getMutatorVisibility() {
    if ($this->mutatorVisibility !== null) {
      return $this->mutatorVisibility;
    } else {
      return self::DEFAULT_VISIBILITY;
    }
  }

  /**
   * Set the visibility of the mutator methods for this column / attribute
   * @param      $newVisibility string
   */
  public function setMutatorVisibility($newVisibility) {
    if (in_array($newVisibility, self::$valid_visibilities)) {
      $this->mutatorVisibility = $newVisibility;
    } else {
      $this->mutatorVisibility = self::DEFAULT_VISIBILITY;
    }

  }

  /**
   * Get the column constant name (e.g. PeerName::COLUMN_NAME).
   *
   * @return     string A column constant name for insertion into PHP code
   */
  public function getConstantName()
  {
    $classname = $this->getTable()->getPhpName() . 'Peer';
    // was it overridden in schema.xml ?
    if ($this->getPeerName()) {
      $const = strtoupper($this->getPeerName());
    } else {
      $const = strtoupper($this->getName());
    }
    return $classname.'::'.$const;
  }

  /**
   * Get the Peer constant name that will identify this column.
   * @return     string
   */
  public function getPeerName() {
    return $this->peerName;
  }

  /**
   * Set the Peer constant name that will identify this column.
   * @param      $name string
   */
  public function setPeerName($name) {
    $this->peerName = $name;
  }

  /**
   * Get type to use in PHP sources.
   *
   * If no type has been specified, then uses results of getPhpNative().
   *
   * @return     string The type name.
   * @see        getPhpNative()
   */
  public function getPhpType()
  {
    if ($this->phpType !== null) {
      return $this->phpType;
    }
    return $this->getPhpNative();
  }

  /**
   * Get the location of this column within the table (one-based).
   * @return     int value of position.
   */
  public function getPosition()
  {
    return $this->position;
  }

  /**
   * Get the location of this column within the table (one-based).
   * @param      int $v Value to assign to position.
   */
  public function setPosition($v)
  {
    $this->position = $v;
  }

  /**
   * Set the parent Table of the column
   */
  public function setTable(Table $parent)
  {
    $this->parentTable = $parent;
  }

  /**
   * Get the parent Table of the column
   */
  public function getTable()
  {
    return $this->parentTable;
  }

  /**
   * Returns the Name of the table the column is in
   */
  public function getTableName()
  {
    return $this->parentTable->getName();
  }

  /**
   * Adds a new inheritance definition to the inheritance list and set the
   * parent column of the inheritance to the current column
   * @param      mixed $inhdata Inheritance or XML data.
   */
  public function addInheritance($inhdata)
  {
    if ($inhdata instanceof Inheritance) {
      $inh = $inhdata;
      $inh->setColumn($this);
      if ($this->inheritanceList === null) {
        $this->inheritanceList = array();
        $this->isEnumeratedClasses = true;
      }
      $this->inheritanceList[] = $inh;
      return $inh;
    } else {
      $inh = new Inheritance();
      $inh->loadFromXML($inhdata);
      return $this->addInheritance($inh);
    }
  }

  /**
   * Get the inheritance definitions.
   */
  public function getChildren()
  {
    return $this->inheritanceList;
  }

  /**
   * Determine if this column is a normal property or specifies a
   * the classes that are represented in the table containing this column.
   */
  public function isInheritance()
  {
    return $this->isInheritance;
  }

  /**
   * Determine if possible classes have been enumerated in the xml file.
   */
  public function isEnumeratedClasses()
  {
    return $this->isEnumeratedClasses;
  }

  /**
   * Return the isNotNull property of the column
   */
  public function isNotNull()
  {
    return $this->isNotNull;
  }

  /**
   * Set the isNotNull property of the column
   */
  public function setNotNull($status)
  {
    $this->isNotNull = (boolean) $status;
  }

  /**
   * Return NOT NULL String for this column
   *
   * @return     "NOT NULL" if null values are not allowed or an empty string.
   */
  public function getNotNullString()
  {
    return $this->getTable()->getDatabase()->getPlatform()->getNullString($this->isNotNull());
  }

  /**
   * Set whether the column is the primary string, 
   * i.e. whether its value is the default string representation of the table
   * @param      boolean $v
   */
  public function setPrimaryString($v)
  {
    $this->isPrimaryString = (boolean) $v;
  }

  /**
   * Return true if the column is the primary string,
   * i.e. if its value is the default string representation of the table
   */
  public function isPrimaryString()
  {
    return $this->isPrimaryString;
  }

  /**
   * Set whether the column is a primary key or not.
   * @param      boolean $v
   */
  public function setPrimaryKey($v)
  {
    $this->isPrimaryKey = (boolean) $v;
  }

  /**
   * Return true if the column is a primary key
   */
  public function isPrimaryKey()
  {
    return $this->isPrimaryKey;
  }

  /**
   * Set if the column is the node key of a tree
   */
  public function setNodeKey($nk)
  {
    $this->isNodeKey = (boolean) $nk;
  }

  /**
   * Return true if the column is a node key of a tree
   */
  public function isNodeKey()
  {
    return $this->isNodeKey;
  }

  /**
   * Set if the column is the node key of a tree
   */
  public function setNodeKeySep($sep)
  {
    $this->nodeKeySep = (string) $sep;
  }

  /**
   * Return true if the column is a node key of a tree
   */
  public function getNodeKeySep()
  {
    return $this->nodeKeySep;
  }

  /**
   * Set if the column is the nested set left key of a tree
   */
  public function setNestedSetLeftKey($nslk)
  {
    $this->isNestedSetLeftKey = (boolean) $nslk;
  }

  /**
   * Return true if the column is a nested set key of a tree
   */
  public function isNestedSetLeftKey()
  {
    return $this->isNestedSetLeftKey;
  }

  /**
   * Set if the column is the nested set right key of a tree
   */
  public function setNestedSetRightKey($nsrk)
  {
    $this->isNestedSetRightKey = (boolean) $nsrk;
  }

  /**
   * Return true if the column is a nested set right key of a tree
   */
  public function isNestedSetRightKey()
  {
    return $this->isNestedSetRightKey;
  }

  /**
   * Set if the column is the scope key of a tree
   */
  public function setTreeScopeKey($tsk)
  {
    $this->isTreeScopeKey = (boolean) $tsk;
  }

  /**
   * Return true if the column is a scope key of a tree
   * @return     boolean
   */
  public function isTreeScopeKey()
  {
    return $this->isTreeScopeKey;
  }

  /**
   * Set true if the column is UNIQUE
   * @param      boolean $u
   */
  public function setUnique($u)
  {
    $this->isUnique = $u;
  }

  /**
   * Get the UNIQUE property.
   * @return     boolean
   */
  public function isUnique()
  {
    return $this->isUnique;
  }

  /**
   * Return true if the column requires a transaction in Postgres
   * @return     boolean
   */
  public function requiresTransactionInPostgres()
  {
    return $this->needsTransactionInPostgres;
  }

  /**
   * Utility method to determine if this column is a foreign key.
   * @return     boolean
   */
  public function isForeignKey()
  {
    return (count($this->getForeignKeys()) > 0);
  }

  /**
   * Whether this column is a part of more than one foreign key.
   * @return     boolean
   */
  public function hasMultipleFK()
  {
    return (count($this->getForeignKeys()) > 1);
  }

  /**
   * Get the foreign key objects for this column (if it is a foreign key or part of a foreign key)
   * @return     array
   */
  public function getForeignKeys()
  {
    return $this->parentTable->getColumnForeignKeys($this->name);
  }

  /**
   * Adds the foreign key from another table that refers to this column.
   */
  public function addReferrer(ForeignKey $fk)
  {
    if ($this->referrers === null) {
      $this->referrers = array();
    }
    $this->referrers[] = $fk;
  }

  /**
   * Get list of references to this column.
   */
  public function getReferrers()
  {
    if ($this->referrers === null) {
      $this->referrers = array();
    }
    return $this->referrers;
  }

  /**
   * Sets the domain up for specified Propel type.
   *
   * Calling this method will implicitly overwrite any previously set type,
   * size, scale (or other domain attributes).
   *
   * @param      string $propelType
   */
  public function setDomainForType($propelType)
  {
    $this->getDomain()->copy($this->getPlatform()->getDomainForType($propelType));
  }

  /**
   * Sets the propel colunm type.
   * @param      string $propelType
   * @see        Domain::setType()
   */
  public function setType($propelType)
  {
    $this->getDomain()->setType($propelType);
    if ($propelType == PropelTypes::VARBINARY|| $propelType == PropelTypes::LONGVARBINARY || $propelType == PropelTypes::BLOB) {
      $this->needsTransactionInPostgres = true;
    }
  }

  /**
   * Returns the Propel column type as a string.
   * @return     string The constant representing Creole type: e.g. "VARCHAR".
   * @see        Domain::getType()
   */
  public function getType()
  {
    return $this->getDomain()->getType();
  }

  /**
   * Returns the column PDO type integer for this column's Propel type.
   * @return     int The integer value representing PDO type param: e.g. PDO::PARAM_INT
   */
  public function getPDOType()
  {
    return PropelTypes::getPDOType($this->getType());
  }

  /**
   * Returns the column type as given in the schema as an object
   */
  public function getPropelType()
  {
    return $this->getType();
  }

  /**
   * Utility method to know whether column needs Blob/Lob handling.
   * @return     boolean
   */
  public function isLobType()
  {
    return PropelTypes::isLobType($this->getType());
  }

  /**
   * Utility method to see if the column is text type.
   */
  public function isTextType()
  {
    return PropelTypes::isTextType($this->getType());
  }

  /**
   * Utility method to see if the column is numeric type.
   * @return     boolean
   */
  public function isNumericType()
  {
    return PropelTypes::isNumericType($this->getType());
  }

  /**
   * Utility method to know whether column is a temporal column.
   * @return     boolean
   */
  public function isTemporalType()
  {
    return PropelTypes::isTemporalType($this->getType());
  }

  /**
   * @see        XMLElement::appendXml(DOMNode)
   */
  public function appendXml(DOMNode $node)
  {
    $doc = ($node instanceof DOMDocument) ? $node : $node->ownerDocument;

    $colNode = $node->appendChild($doc->createElement('column'));
    $colNode->setAttribute('name', $this->name);

    if ($this->phpName !== null) {
      $colNode->setAttribute('phpName', $this->getPhpName());
    }

    $colNode->setAttribute('type', $this->getType());

    $domain = $this->getDomain();

    if ($domain->getSize() !== null) {
      $colNode->setAttribute('size', $domain->getSize());
    }

    if ($domain->getScale() !== null) {
      $colNode->setAttribute('scale', $domain->getScale());
    }

    if ($this->isPrimaryKey) {
      $colNode->setAttribute('primaryKey', var_export($this->isPrimaryKey, true));
    }

    if ($this->isAutoIncrement) {
      $colNode->setAttribute('autoIncrement', var_export($this->isAutoIncrement, true));
    }

    if ($this->isNotNull) {
      $colNode->setAttribute('required', 'true');
    } else {
      $colNode->setAttribute('required', 'false');
    }

    if ($domain->getDefaultValue() !== null) {
      $def = $domain->getDefaultValue();
      if ($def->isExpression()) {
        $colNode->setAttribute('defaultExpr', $def->getValue());
      } else {
        $colNode->setAttribute('defaultValue', $def->getValue());
      }
    }

    if ($this->isInheritance()) {
      $colNode->setAttribute('inheritance', $this->inheritanceType);
      foreach ($this->inheritanceList as $inheritance) {
        $inheritance->appendXml($colNode);
      }
    }

    if ($this->isNodeKey()) {
      $colNode->setAttribute('nodeKey', 'true');
      if ($this->getNodeKeySep() !== null) {
        $colNode->setAttribute('nodeKeySep', $this->nodeKeySep);
      }
    }

    foreach ($this->vendorInfos as $vi) {
      $vi->appendXml($colNode);
    }
  }

  /**
   * Returns the size of the column
   * @return     string
   */
  public function getSize()
  {
    return $this->domain->getSize();
  }

  /**
   * Set the size of the column
   * @param      string $newSize
   */
  public function setSize($newSize)
  {
    $this->domain->setSize($newSize);
  }

  /**
   * Returns the scale of the column
   * @return     string
   */
  public function getScale()
  {
    return $this->domain->getScale();
  }

  /**
   * Set the scale of the column
   * @param      string $newScale
   */
  public function setScale($newScale)
  {
    $this->domain->setScale($newScale);
  }

  /**
   * Return the size in brackets for use in an sql
   * schema if the type is String.  Otherwise return an empty string
   */
  public function printSize()
  {
    return $this->domain->printSize();
  }

  /**
   * Return a string that will give this column a default value.
   * @return     string
   */
  public function getDefaultSetting()
  {
    $dflt = "";
    $defaultValue = $this->getDefaultValue();
    if ($defaultValue !== null) {
      $dflt .= "default ";

      if ($this->getDefaultValue()->isExpression()) {
        $dflt .= $this->getDefaultValue()->getValue();
      } else {
        if ($this->isTextType()) {
          $dflt .= $this->getPlatform()->quote($defaultValue->getValue());
        } elseif ($this->getType() == PropelTypes::BOOLEAN) {
          $dflt .= $this->getPlatform()->getBooleanString($defaultValue->getValue());
        } else {
          $dflt .= $defaultValue->getValue();
        }
      }
    }
    return $dflt;
  }

  /**
   * Return a string that will give this column a default value in PHP
   * @return     string
   */
  public function getDefaultValueString()
  {
    $defaultValue = $this->getDefaultValue();
    if ($defaultValue !== null) {
      if ($this->isNumericType()) {
        $dflt = (float) $defaultValue->getValue();
      } elseif ($this->isTextType() || $this->getDefaultValue()->isExpression()) {
        $dflt = "'" . str_replace("'", "\'", $defaultValue->getValue()) . "'";
      } elseif ($this->getType() == PropelTypes::BOOLEAN) {
        $dflt = $this->booleanValue($defaultValue->getValue()) ? 'true' : 'false';
      } else {
        $dflt = "'" . $defaultValue->getValue() . "'";
      }
    } else {
      $dflt = "null";
    }
    return $dflt;
  }
  
  /**
   * Set a string that will give this column a default value.
   */
  public function setDefaultValue($def)
  {
    $this->domain->setDefaultValue($def);
  }

  /**
   * Get the default value object for this column.
   * @return     ColumnDefaultValue
   * @see        Domain::getDefaultValue()
   */
  public function getDefaultValue()
  {
    return $this->domain->getDefaultValue();
  }

  /**
   * Get the default value suitable for use in PHP.
   * @return     mixed
   * @see        Domain::getPhpDefaultValue()
   */
  public function getPhpDefaultValue()
  {
    return $this->domain->getPhpDefaultValue();
  }

  /**
   * Returns the class name to do input validation
   */
  public function getInputValidator()
  {
    return $this->inputValidator;
  }

  /**
   * Return auto increment/sequence string for the target database. We need to
   * pass in the props for the target database!
   */
  public function isAutoIncrement()
  {
    return $this->isAutoIncrement;
  }

  /**
   * Return auto increment/sequence string for the target database. We need to
   * pass in the props for the target database!
   */
  public function isLazyLoad()
  {
    return $this->isLazyLoad;
  }

  /**
   * Gets the auto-increment string.
   * @return     string
   */
  public function getAutoIncrementString()
  {
    if ($this->isAutoIncrement()&& IDMethod::NATIVE === $this->getTable()->getIdMethod()) {
      return $this->getPlatform()->getAutoIncrement();
    } elseif ($this->isAutoIncrement()) {
      throw new EngineException("You have specified autoIncrement for column '" . $this->name . "' but you have not specified idMethod=\"native\" for table '" . $this->getTable()->getName() . "'.");
    }
    return "";
  }

  /**
   * Set the auto increment value.
   * Use isAutoIncrement() to find out if it is set or not.
   */
  public function setAutoIncrement($value)
  {
    $this->isAutoIncrement = (boolean) $value;
  }

  /**
   * Set the column type from a string property
   * (normally a string from an sql input file)
   *
   * @deprecated Do not use; this will be removed in next release.
   */
  public function setTypeFromString($typeName, $size)
  {
    $tn = strtoupper($typeName);
    $this->setType($tn);

    if ($size !== null) {
      $this->size = $size;
    }

    if (strpos($tn, "CHAR") !== false) {
      $this->domain->setType(PropelTypes::VARCHAR);
    } elseif (strpos($tn, "INT") !== false) {
      $this->domain->setType(PropelTypes::INTEGER);
    } elseif (strpos($tn, "FLOAT") !== false) {
      $this->domain->setType(PropelTypes::FLOAT);
    } elseif (strpos($tn, "DATE") !== false) {
      $this->domain->setType(PropelTypes::DATE);
    } elseif (strpos($tn, "TIME") !== false) {
      $this->domain->setType(PropelTypes::TIMESTAMP);
    } else if (strpos($tn, "BINARY") !== false) {
      $this->domain->setType(PropelTypes::LONGVARBINARY);
    } else {
      $this->domain->setType(PropelTypes::VARCHAR);
    }
  }

  /**
   * Return a string representation of the native PHP type which corresponds
   * to the propel type of this column. Use in the generation of Base objects.
   *
   * @return     string PHP datatype used by propel.
   */
  public function getPhpNative()
  {
    return PropelTypes::getPhpNative($this->getType());
  }

  /**
   * Returns true if the column's PHP native type is an boolean, int, long, float, double, string.
   * @return     boolean
   * @see        PropelTypes::isPhpPrimitiveType()
   */
  public function isPhpPrimitiveType()
  {
    return PropelTypes::isPhpPrimitiveType($this->getPhpType());
  }

  /**
   * Return true if column's PHP native type is an boolean, int, long, float, double.
   * @return     boolean
   * @see        PropelTypes::isPhpPrimitiveNumericType()
   */
  public function isPhpPrimitiveNumericType()
  {
    return PropelTypes::isPhpPrimitiveNumericType($this->getPhpType());
  }

  /**
   * Returns true if the column's PHP native type is a class name.
   * @return     boolean
   * @see        PropelTypes::isPhpObjectType()
   */
  public function isPhpObjectType()
  {
    return PropelTypes::isPhpObjectType($this->getPhpType());
  }

  /**
   * Get the platform/adapter impl.
   *
   * @return     Platform
   */
  public function getPlatform()
  {
    return $this->getTable()->getDatabase()->getPlatform();
  }

  /**
   *
   * @return     string
   * @deprecated Use DDLBuilder->getColumnDDL() instead; this will be removed in 1.3
   */
  public function getSqlString()
  {
    $sb = "";
    $sb .= $this->getPlatform()->quoteIdentifier($this->getName()) . " ";
    $sb .= $this->getDomain()->getSqlType();
    if ($this->getPlatform()->hasSize($this->getDomain()->getSqlType())) {
      $sb .= $this->getDomain()->printSize();
    }
    $sb .= " ";
    $sb .= $this->getDefaultSetting() . " ";
    $sb .= $this->getNotNullString() . " ";
    $sb .= $this->getAutoIncrementString();
    return trim($sb);
  }
  
  public static function generatePhpName($name, $phpNamingMethod = PhpNameGenerator::CONV_METHOD_CLEAN, $namePrefix = null) {
    return NameFactory::generateName(NameFactory::PHP_GENERATOR, array($name, $phpNamingMethod, $namePrefix));
  }
}
