<xs:element name="IfcDirection" type="ifc:IfcDirection" substitutionGroup="ifc:IfcGeometricRepresentationItem" nillable="true"/>

 <xs:complexType name="IfcDirection">

  <xs:complexContent>

   <xs:extension base="ifc:IfcGeometricRepresentationItem">

    <xs:attribute name="DirectionRatios" use="optional">

     <xs:simpleType>

      <xs:restriction>

       <xs:simpleType>

        <xs:list itemType="ifc:IfcReal"/>

       </xs:simpleType>

       <xs:minLength value="2"/>

       <xs:maxLength value="3"/>

      </xs:restriction>

     </xs:simpleType>

    </xs:attribute>

   </xs:extension>

  </xs:complexContent>

 </xs:complexType>

ENTITY IfcDirection

 SUBTYPE OF (IfcGeometricRepresentationItem);

  DirectionRatios : LIST [2:3] OF IfcReal;

 DERIVE

  Dim : IfcDimensionCount := HIINDEX(DirectionRatios);

 WHERE

  MagnitudeGreaterZero : SIZEOF(QUERY(Tmp <* DirectionRatios | Tmp <> 0.0)) > 0;

END_ENTITY;

/* Generated By: IFC Tools Project EXPRESS TO JAVA COMPILER: Do not edit this file!! */

package com.vfsd.ifc2x3tc1;

public class IfcDirection extends IfcGeometricRepresentationItem implements IfcVectorOrDirection, ClassInterface, IfcOrientationSelect

{

    private static final String[] nonInverseAttributes = new String[]{"LIST<DOUBLE>"};

    private java.util.ArrayList<CloneableObject> stepParameter = null;

    private java.util.HashSet<ObjectChangeListener> listenerList = null;

    protected int stepLineNumber;

    /** DirectionRatios is an DEMANDED attribute - may not be null**/

    protected LIST<DOUBLE> DirectionRatios;

    /**

    * The default constructor.

    **/

    public IfcDirection(){}

    /**

    * Constructs a new IfcDirection object using the given parameters.

    *

    * @param DirectionRatios DEMANDED parameter of type LIST<DOUBLE> - may not be null.

    **/

    public IfcDirection(LIST<DOUBLE> DirectionRatios)

    {

        this.DirectionRatios = DirectionRatios;

        resolveInverses();

    }

    /**

     * This method initializes the IfcDirection object using the given parameters.

    *

    * @param DirectionRatios DEMANDED parameter of type LIST<DOUBLE> - may not be null.

    **/

    public void setParameters(LIST<DOUBLE> DirectionRatios)

    {

        this.DirectionRatios = DirectionRatios;

        resolveInverses();

    }

    /**

     * This method is used internally and should NOT be used for own purposes.

    **/

    @SuppressWarnings("unchecked")

    void initialize(java.util.ArrayList<CloneableObject> parameters)

    {

        this.DirectionRatios = (LIST<DOUBLE>) parameters.get();

        resolveInverses();

    }

    /**

     * This method is used internally and should NOT be used for own purposes.

    **/

    void destruct()

    {

         super.destruct();

        listenerList = null;

    }

    private void resolveInverses()

    {

    }

    /**

     * This method is used internally and should NOT be used for own purposes.

    **/

    String[] getNonInverseAttributeTypes()

    {

        return IfcDirection.nonInverseAttributes;    }

    /**

     * This method is used internally and should NOT be used for own purposes.

    **/

    private java.util.HashSet<String> getRedefinedDerivedAttributeTypes()

    {

        java.util.HashSet<String> redefinedDerivedAttributes = new java.util.HashSet<String>();

        return redefinedDerivedAttributes;    }

    /**

 * This method returns the object IFC  STEP representation. This method is called by the IfcModel object to write IFC STEP files.

     *

     * @return the IFC STEP representation of this object

    **/

    public String getStepLine()

    {

        String stepString = new String("#"+this.stepLineNumber+"= ");

        stepString = stepString.concat("IFCDIRECTION(");

        if(getRedefinedDerivedAttributeTypes().contains("DirectionRatios")) stepString = stepString.concat("*);");

        else{

        if(this.DirectionRatios != null)        stepString = stepString.concat(((RootInterface)this.DirectionRatios).getStepParameter(DOUBLE.class.isInterface())+");");

        else        stepString = stepString.concat("$);");

        }

        return stepString;

    }

    /**

     * This method is used internally and should NOT be used for own purposes.

    **/

    public String getStepParameter(boolean isSelectType)

    {

        return "#" + this.stepLineNumber;

    }

    /**

     * This method returns the line number within a IFC  STEP representation. This method is called from other objects, where this one is referenced.

     *

     * @return the STEP line number

    **/

    public int getStepLineNumber()

    {

        return this.stepLineNumber;

    }

    /**

     * This method is used internally and should NOT be used for own purposes.

    **/

    void setStepLineNumber(int number)

    {

        this.stepLineNumber = number;

    }

    /**

    * This method sets the DirectionRatios attribute to the given value.

    *

    * @param DirectionRatios OPTIONAL value to set

    **/

    public void setDirectionRatios(LIST<DOUBLE> DirectionRatios)

    {

        this.DirectionRatios = DirectionRatios;

        fireChangeEvent();

    }

    /**

    * This method returns a copy of the list of the DirectionRatios attribute.

    *

    * @return a copy of the DirectionRatios list

    **/

    public LIST<DOUBLE> getDirectionRatios()

    {

        if(this.DirectionRatios != null)

            return new LIST<DOUBLE>(this.DirectionRatios);

        return null;

    }

    /**

    * This method adds an DOUBLE object to the DirectionRatios list.

    * @param DirectionRatios element to be appended to this list.

    **/

    public void addDirectionRatios(DOUBLE DirectionRatios)

    {

        if(this.DirectionRatios == null)

            this.DirectionRatios = new LIST<DOUBLE>();

        this.DirectionRatios.add(DirectionRatios);

        fireChangeEvent();

    }

    /**

    * This method adds a collection of DOUBLE objects to the DirectionRatios list.

    * @param DirectionRatios collection containing elements to be added to this list.

    **/

    public void addAllDirectionRatios(java.util.Collection<DOUBLE> DirectionRatios)

    {

        if(this.DirectionRatios == null)

            this.DirectionRatios = new LIST<DOUBLE>();

        this.DirectionRatios.addAll(DirectionRatios);

        fireChangeEvent();

    }

    /**

    * This method removes all elements from the DirectionRatios list.

    **/

    public void clearDirectionRatios()

    {

        if(this.DirectionRatios != null)

        {

            this.DirectionRatios.clear();

            fireChangeEvent();

        }

    }

    /**

    * This method removes an DOUBLE object from the DirectionRatios list.

    * @param DirectionRatios element to be removed from this list.

    **/

    public void removeDirectionRatios(DOUBLE DirectionRatios)

    {

        if(this.DirectionRatios != null)

        {

            this.DirectionRatios.remove(DirectionRatios);

            fireChangeEvent();

        }

    }

    /**

    * This method removes a collection of DOUBLE objects from the DirectionRatios list.

    * @param DirectionRatios collection containing elements to be removed from this list.

    **/

    public void removeAllDirectionRatios(java.util.Collection<DOUBLE> DirectionRatios)

    {

        if(this.DirectionRatios != null)

        {

            this.DirectionRatios.removeAll(DirectionRatios);

            fireChangeEvent();

        }

    }

    /**

     * This method is used internally and should NOT be used for own purposes.

    **/

    void setStepParameter(java.util.ArrayList<CloneableObject> parameter)

    {

        this.stepParameter = parameter;

    }

    /**

     * This method is used internally and should NOT be used for own purposes.

    **/

    java.util.ArrayList<CloneableObject> getStepParameter()

    {

        return this.stepParameter;

    }

    /**

     * This method registers an ObjectChangeListener to this object. An event is fired whenever one of its values was changed.

     *

     *@param listener the listener to register

    **/

    public void addObjectChangeListener(ObjectChangeListener listener)

    {

        if (listenerList == null)    listenerList = new java.util.HashSet<ObjectChangeListener>(,);

        listenerList.add(listener);

    }

    /**

     * This method unregisters an ObjectChangeListener from this object.

     *

     *@param listener the listener to unregister

    **/

    public void removeObjectChangeListener(ObjectChangeListener listener)

    {

        if (listenerList == null)    return;

        listenerList.remove(listener);

        if (listenerList.size()==) listenerList = null;

    }

    /**

     * This method removes all currently registered ObjectChangeListeners from this object.

    **/

    public void removeAllObjectChangeListeners()

    {

        listenerList = null;

    }

    protected void fireChangeEvent()

    {

        if(listenerList == null) return;

        for(ObjectChangeListener listener : listenerList)

            listener.ifcModelObjectChange(this);

    }

    /**

     * This method clones the object (deep cloning).

     *

     * @return the cloned object

    **/

    @SuppressWarnings("unchecked")

    public Object clone()

    {

        IfcDirection ifcDirection = new IfcDirection();

        if(this.DirectionRatios != null)

            ifcDirection.setDirectionRatios((LIST<DOUBLE>)this.DirectionRatios.clone());

        return ifcDirection;

    }

    /**

     * This method copys the object as shallow copy (all referenced objects are remaining).

     *

     * @return the cloned object

    **/

    public Object shallowCopy()

    {

        IfcDirection ifcDirection = new IfcDirection();

        if(this.DirectionRatios != null)

            ifcDirection.setDirectionRatios(this.DirectionRatios);

        return ifcDirection;

    }

    /**

    * This method returns the objects standard description.

    *

    * @return the standard description

    **/

    public String toString()

    {

        return "#"+ this.getStepLineNumber() + " " + this.getClass().getSimpleName();

    }

}