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## org.eclipse.birt.report.model.api
Class SortElementHandle

    java.lang.Object
      org.eclipse.birt.report.model.api.DesignElementHandle
          org.eclipse.birt.report.model.api.ContentElementHandle
              org.eclipse.birt.report.model.api.SortElementHandle

All Implemented Interfaces:
  org.eclipse.birt.report.model.elements.interfaces.IDesignElementModel, org.eclipse.birt.report.model.elements.interfaces.ISortElementModel

    public class SortElementHandle

extends ContentElementHandle
implements org.eclipse.birt.report.model.elements.interfaces.ISortElementModel

Field Summary

Fields inherited from class org.eclipse.birt.report.model.api.ContentElementHandle
`element`

Fields inherited from class org.eclipse.birt.report.model.api.DesignElementHandle
`module`

Fields inherited from interface org.eclipse.birt.report.model.elements.interfaces.ISortElementModel
`DIRECTION_PROP, KEY_PROP, MEMBER_PROP`

Fields inherited from interface org.eclipse.birt.report.model.elements.interfaces.IDesignElementModel
`COMMENTS_PROP, CUSTOM_XML_PROP, DISPLAY_NAME_ID_PROP, DISPLAY_NAME_PROP, EVENT_HANDLER_CLASS_PROP, EXTENDS_PROP, FULL_LABEL, ID_SUFFIX, NAME_PROP, NO_SLOT, PROPERTY_MASKS_PROP, REF_TEMPLATE_PARAMETER_PROP, SHORT_LABEL, USER_LABEL, USER_PROPERTIES_PROP, VIEW_ACTION_PROP`

Constructor Summary
`SortElementHandle(org.eclipse.birt.report.model.core.Module module, org.eclipse.birt.report.model.core.DesignElement element)` Constructs a sort handle with the given design and the element.

Method Summary
`java.lang.String` | `getDirection()` Returns the sort direction.
`java.lang.String` | `getKey()` Returns an expression that gives the sort key on which to sort.
`MemberValueHandle` | `getMember()` Gets the member value handle of this sort element if it sets.
`void` | `setDirection(java.lang.String direction)` Sets the sort direction.
`void` | `setKey(java.lang.String key)` Sets an expression that gives the sort key on which to sort.

Methods inherited from class org.eclipse.birt.report.model.api.ContentElementHandle
`addListener, addUserPropertyDefn, canTransformToTemplate, clientsIterator, createTemplateElement, derivedIterator, getElement, getEventHandlerClass, getExtends, getName, getPrivateStyle, getQualifiedName, getUserProperties, getUserPropertyDefnHandle, isTemplateParameterValue, localize, removeListener, revertToReportItem, revertToTemplate, setEventHandlerClass, setExtends, setExtendsName, setName, setStyle, setStyleName`

Methods inherited from class org.eclipse.birt.report.model.api.DesignElementHandle
`add, add, addElement, addElement, cachePropertyHandles, canContain, canContain, canContain, canContain, canDrop, canEdit, clearAllProperties, clearContents, clearProperty, copy, copyPropertyTo, doSort, drop, drop, drop, dropAndClear, dropAndClear, dropAndClear, dropUserPropertyDefn, findContentSlot, getBooleanProperty, getChoices, getColorProperty, getContainer, getContainerPropertyHandle, getContainerSlotHandle, getContent, getContentCount, getContents, getDefn, getDesign, getDesignHandle, getDimensionProperty, getDisplayLabel, getDisplayLabel, getDisplayProperty, getEffectiveModule, getElementFactory, getElementProperty, getExternalizedValue, getExternalizedValue, getExternalizedValue, getFactoryPropertyHandle, getFloatProperty, getFontProperty, getFullName, getHostViewHandle, getID, getIndex, getIntProperty, getListProperty, getListProperty, getMethods, getModule, getModuleHandle, getNumberProperty, getProperty, getPropertyBinding, getPropertyBindings, getPropertyDefn, getPropertyHandle, getPropertyIterator, getRoot, getSemanticErrors, getSlot, getStringProperty, getStyle, getXPath, hasLocalProperties, hasSemanticError, initializeSlotHandles, isDirectionRTL, isValid, move, move, moveTo, moveTo, moveTo, moveTo, paste, paste, paste, paste, semanticCheck, setEncryption, setExtendsElement, setFloatProperty, setIntProperty, setNumberProperty, setProperties, setProperty, setPropertyBinding, setStringProperty, setStyleElement, setValid, shift, showError`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### SortElementHandle

    public SortElementHandle(org.eclipse.birt.report.model.core.Module module,
                             org.eclipse.birt.report.model.core.DesignElement element)

  Constructs a sort handle with the given design and the element. The application generally does not create handles directly. Instead, it uses one of the navigation methods available on other element handles.

  Parameters:
    `module` - the module
    `element` - the model representation of the element

Method Detail

### getKey

    public java.lang.String getKey()

  Returns an expression that gives the sort key on which to sort. The simplest case is the name of a column. The expression can also be an expression that includes columns. When used for a group, the expression can contain an aggregate computed over the group.

  Returns:
    the key to sort
  See Also:
    `setKey(String)`

### setKey

    public void setKey(java.lang.String key)
                throws SemanticException

  Sets an expression that gives the sort key on which to sort.

  Parameters:
    `key` - the key to sort
  Throws:
    `SemanticException` - value required exception
  See Also:
    `getKey()`

### getDirection

    public java.lang.String getDirection()

  Returns the sort direction. The possible values are define in `DesignChoiceConstants`, and they are:
  - SORT_DIRECTION_ASC
  - SORT_DIRECTION_DESC

  Returns:
    the direction to sort

### setDirection

    public void setDirection(java.lang.String direction)
                      throws SemanticException

  Sets the sort direction. The allowed values are define in `DesignChoiceConstants`, and they are:
  - SORT_DIRECTION_ASC
  - SORT_DIRECTION_DESC

  Parameters:
    `direction` - the direction to set
  Throws:
    `SemanticException` - if the direction is not in choice list.

### getMember

    public MemberValueHandle getMember()

  Gets the member value handle of this sort element if it sets. Otherwise return null.

  Returns:

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