XQConstants

java.lang.Object
- javax.xml.xquery.XQConstants

```
public final class XQConstants
extends java.lang.Object
```
XQConstants class provides constants that can be used in the XQJ API.

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`BINDING_MODE_DEFERRED` The constant indicating the binding mode deferred, refer to `XQDynamicContext` for more information.
`static int`	`BINDING_MODE_IMMEDIATE` The constant indicating the binding mode immediate, refer to `XQDynamicContext` for more information.
`static int`	`BOUNDARY_SPACE_PRESERVE` The constant indicating the the boundary-space policy for expression evaluation is to preserve white spaces
`static int`	`BOUNDARY_SPACE_STRIP` The constant indicating the the boundary-space policy for expression evaluation is to strip white spaces
`static int`	`CONSTRUCTION_MODE_PRESERVE` The constant indicating that the type of a constructed element node is `xs:anyType`, and all attribute and element nodes copied during node construction retain their original types.
`static int`	`CONSTRUCTION_MODE_STRIP` The constant indicating that the type of a constructed element node is `xs:untyped`; all element nodes copied during node construction receive the type `xs:untyped`, and all attribute nodes copied during node construction receive the type `xs:untypedAtomic`.
`static javax.xml.namespace.QName`	`CONTEXT_ITEM` Defines the `QName` for the context item.
`static int`	`COPY_NAMESPACES_MODE_INHERIT` The constant indicating that the inherit mode should be used in namespace binding assignement when an existing element node is copied by an element constructor, as described in 3.7.1 Direct Element Constructors, XQuery 1.0: An XML Query Language
`static int`	`COPY_NAMESPACES_MODE_NO_INHERIT` The constant indicating that the no-inherit mode should be used in namespace binding assignement when an existing element node is copied by an element constructor, as described in 3.7.1 Direct Element Constructors, XQuery 1.0: An XML Query Language
`static int`	`COPY_NAMESPACES_MODE_NO_PRESERVE` The constant indicating that the no-preserve mode should be used in namespace binding assignement when an existing element node is copied by an element constructor, as described in 3.7.1 Direct Element Constructors, XQuery 1.0: An XML Query Language
`static int`	`COPY_NAMESPACES_MODE_PRESERVE` The constant indicating that the preserve mode should be used in namespace binding assignement when an existing element node is copied by an element constructor, as described in 3.7.1 Direct Element Constructors, XQuery 1.0: An XML Query Language
`static int`	`DEFAULT_ORDER_FOR_EMPTY_SEQUENCES_GREATEST` The constant indicating that ordering of empty sequences and NaN values as keys in an order by clause in a FLWOR expression is "greatest".
`static int`	`DEFAULT_ORDER_FOR_EMPTY_SEQUENCES_LEAST` The constant indicating that ordering of empty sequences and NaN values as keys in an order by clause in a FLWOR expression is "least".
`static int`	`HOLDTYPE_CLOSE_CURSORS_AT_COMMIT` The constant indicating that the result sequences must be closed when the commit on the connection is called.
`static int`	`HOLDTYPE_HOLD_CURSORS_OVER_COMMIT` The constant indicating that the result sequences must be preserved when the commit on the connection is called.
`static int`	`LANGTYPE_XQUERY` The constant indicating that the expression language used in `XQConnection.prepareExpression` and `XQExpression.execute` is XQuery (any version).
`static int`	`LANGTYPE_XQUERYX` The constant indicating that the expression language used in `XQConnection.prepareExpression` and `XQExpression.execute` is XQueryX.
`static int`	`ORDERING_MODE_ORDERED` The constant indicating that ordered results are to be returned by certain path expressions, union, intersect, and except expressions, and FLWOR expressions that have no order by clause.
`static int`	`ORDERING_MODE_UNORDERED` The constant indicating that unordered results are to be returned by certain path expressions, union, intersect, and except expressions, and FLWOR expressions that have no order by clause.
`static int`	`SCROLLTYPE_FORWARD_ONLY` The constant indicating that the result sequence can only be scrolled forward.
`static int`	`SCROLLTYPE_SCROLLABLE` The constant indicating that the result sequence can be scrolled forward or backward and is insensitive to any updates done on the underlying objects

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

- Field Detail
  - HOLDTYPE_CLOSE_CURSORS_AT_COMMIT
```
public static final int HOLDTYPE_CLOSE_CURSORS_AT_COMMIT
```
    The constant indicating that the result sequences must be closed when the commit on the connection is called.
    
    See Also:
    
    Constant Field Values
  - HOLDTYPE_HOLD_CURSORS_OVER_COMMIT
```
public static final int HOLDTYPE_HOLD_CURSORS_OVER_COMMIT
```
    The constant indicating that the result sequences must be preserved when the commit on the connection is called.
    
    See Also:
    
    Constant Field Values
  - SCROLLTYPE_FORWARD_ONLY
```
public static final int SCROLLTYPE_FORWARD_ONLY
```
    The constant indicating that the result sequence can only be scrolled forward.
    
    See Also:
    
    Constant Field Values
  - SCROLLTYPE_SCROLLABLE
```
public static final int SCROLLTYPE_SCROLLABLE
```
    The constant indicating that the result sequence can be scrolled forward or backward and is insensitive to any updates done on the underlying objects
    
    See Also:
    
    Constant Field Values
  - LANGTYPE_XQUERY
```
public static final int LANGTYPE_XQUERY
```
    The constant indicating that the expression language used in XQConnection.prepareExpression and XQExpression.execute is XQuery (any version).
    
    See Also:
    
    Constant Field Values
  - LANGTYPE_XQUERYX
```
public static final int LANGTYPE_XQUERYX
```
    The constant indicating that the expression language used in XQConnection.prepareExpression and XQExpression.execute is XQueryX.
    
    See Also:
    
    Constant Field Values
  - BOUNDARY_SPACE_PRESERVE
```
public static final int BOUNDARY_SPACE_PRESERVE
```
    The constant indicating the the boundary-space policy for expression evaluation is to preserve white spaces
    
    See Also:
    
    Constant Field Values
  - BOUNDARY_SPACE_STRIP
```
public static final int BOUNDARY_SPACE_STRIP
```
    The constant indicating the the boundary-space policy for expression evaluation is to strip white spaces
    
    See Also:
    
    Constant Field Values
  - CONSTRUCTION_MODE_PRESERVE
```
public static final int CONSTRUCTION_MODE_PRESERVE
```
    The constant indicating that the type of a constructed element node is xs:anyType, and all attribute and element nodes copied during node construction retain their original types.
    
    See Also:
    
    Constant Field Values
  - CONSTRUCTION_MODE_STRIP
```
public static final int CONSTRUCTION_MODE_STRIP
```
    The constant indicating that the type of a constructed element node is xs:untyped; all element nodes copied during node construction receive the type xs:untyped, and all attribute nodes copied during node construction receive the type xs:untypedAtomic.
    
    See Also:
    
    Constant Field Values
  - ORDERING_MODE_ORDERED
```
public static final int ORDERING_MODE_ORDERED
```
    The constant indicating that ordered results are to be returned by certain path expressions, union, intersect, and except expressions, and FLWOR expressions that have no order by clause.
    
    See Also:
    
    Constant Field Values
  - ORDERING_MODE_UNORDERED
```
public static final int ORDERING_MODE_UNORDERED
```
    The constant indicating that unordered results are to be returned by certain path expressions, union, intersect, and except expressions, and FLWOR expressions that have no order by clause.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_ORDER_FOR_EMPTY_SEQUENCES_GREATEST
```
public static final int DEFAULT_ORDER_FOR_EMPTY_SEQUENCES_GREATEST
```
    The constant indicating that ordering of empty sequences and NaN values as keys in an order by clause in a FLWOR expression is "greatest". See 3.8.3 Order By and Return Clauses, XQuery 1.0: An XML Query Language for details.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_ORDER_FOR_EMPTY_SEQUENCES_LEAST
```
public static final int DEFAULT_ORDER_FOR_EMPTY_SEQUENCES_LEAST
```
    The constant indicating that ordering of empty sequences and NaN values as keys in an order by clause in a FLWOR expression is "least". See 3.8.3 Order By and Return Clauses, XQuery 1.0: An XML Query Language for details.
    
    See Also:
    
    Constant Field Values
  - COPY_NAMESPACES_MODE_PRESERVE
```
public static final int COPY_NAMESPACES_MODE_PRESERVE
```
    The constant indicating that the preserve mode should be used in namespace binding assignement when an existing element node is copied by an element constructor, as described in 3.7.1 Direct Element Constructors, XQuery 1.0: An XML Query Language
    
    See Also:
    
    Constant Field Values
  - COPY_NAMESPACES_MODE_NO_PRESERVE
```
public static final int COPY_NAMESPACES_MODE_NO_PRESERVE
```
    The constant indicating that the no-preserve mode should be used in namespace binding assignement when an existing element node is copied by an element constructor, as described in 3.7.1 Direct Element Constructors, XQuery 1.0: An XML Query Language
    
    See Also:
    
    Constant Field Values
  - COPY_NAMESPACES_MODE_INHERIT
```
public static final int COPY_NAMESPACES_MODE_INHERIT
```
    The constant indicating that the inherit mode should be used in namespace binding assignement when an existing element node is copied by an element constructor, as described in 3.7.1 Direct Element Constructors, XQuery 1.0: An XML Query Language
    
    See Also:
    
    Constant Field Values
  - COPY_NAMESPACES_MODE_NO_INHERIT
```
public static final int COPY_NAMESPACES_MODE_NO_INHERIT
```
    The constant indicating that the no-inherit mode should be used in namespace binding assignement when an existing element node is copied by an element constructor, as described in 3.7.1 Direct Element Constructors, XQuery 1.0: An XML Query Language
    
    See Also:
    
    Constant Field Values
  - CONTEXT_ITEM
```
public static final javax.xml.namespace.QName CONTEXT_ITEM
```
    Defines the QName for the context item. This is used to bind values to the context item via the bind methods of XQDynamicContext.
  - BINDING_MODE_IMMEDIATE
```
public static final int BINDING_MODE_IMMEDIATE
```
    The constant indicating the binding mode immediate, refer to XQDynamicContext for more information.
    
    See Also:
    
    Constant Field Values
  - BINDING_MODE_DEFERRED
```
public static final int BINDING_MODE_DEFERRED
```
    The constant indicating the binding mode deferred, refer to XQDynamicContext for more information.
    
    See Also:
    
    Constant Field Values

Class XQConstants

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

HOLDTYPE_CLOSE_CURSORS_AT_COMMIT

HOLDTYPE_HOLD_CURSORS_OVER_COMMIT

SCROLLTYPE_FORWARD_ONLY

SCROLLTYPE_SCROLLABLE

LANGTYPE_XQUERY

LANGTYPE_XQUERYX

BOUNDARY_SPACE_PRESERVE

BOUNDARY_SPACE_STRIP

CONSTRUCTION_MODE_PRESERVE

CONSTRUCTION_MODE_STRIP

ORDERING_MODE_ORDERED

ORDERING_MODE_UNORDERED

DEFAULT_ORDER_FOR_EMPTY_SEQUENCES_GREATEST

DEFAULT_ORDER_FOR_EMPTY_SEQUENCES_LEAST

COPY_NAMESPACES_MODE_PRESERVE

COPY_NAMESPACES_MODE_NO_PRESERVE

COPY_NAMESPACES_MODE_INHERIT

COPY_NAMESPACES_MODE_NO_INHERIT

CONTEXT_ITEM

BINDING_MODE_IMMEDIATE

BINDING_MODE_DEFERRED