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Java Source Code / Java Documentation » XML » saxonb » net.sf.saxon.query 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   net.sf.saxon.query.DynamicQueryContext

DynamicQueryContext
public class DynamicQueryContext (Code)
This object represents a dynamic context for query execution. This class is used by the application writer to set up aspects of the dynamic context; it is not used operationally (or modified) by the XQuery processor itself, which copies all required information into its own internal representation.



Constructor Summary
public  DynamicQueryContext(Configuration config)
    

Method Summary
public  voidclearParameters()
     Reset the parameters to an empty list.
public  ItemgetContextItem()
     Get the context item for the query, as set using setContextItem() or setContextNode().
public  NodeInfogetContextNode()
     Get the context node for the query, as set using setContextNode() or getContextItem() (provided the item is a node).
public  DateTimeValuegetCurrentDateTime()
     Get the date and time set previously using DynamicQueryContext.setCurrentDateTime(net.sf.saxon.value.DateTimeValue) or null if none has been set.
public  ErrorListenergetErrorListener()
     Get the error listener.
public  ObjectgetParameter(String expandedName)
     Get the actual value of a parameter to the query.
protected  HashMapgetParameters()
    
public  URIResolvergetURIResolver()
     Get the URI resolver.
public  voidsetContextItem(Item item)
     Set the context item for evaluating the expression.
public  voidsetContextNode(NodeInfo node)
     Set the context item for evaluating the expression to be a node.
public  voidsetCurrentDateTime(DateTimeValue dateTime)
     Set a value to be used as the current date and time for the query.
public  voidsetErrorListener(ErrorListener listener)
     Set the error listener.
public  voidsetParameter(String expandedName, Object value)
     Set a parameter for the query.
Parameters:
  expandedName - The name of the parameter in "{uri}local-name" format.It is not an error to supply a value for a parameter that has not beendeclared, the parameter will simply be ignored.
public  voidsetURIResolver(URIResolver resolver)
     Set an object that will be used to resolve URIs used in fn:document() and related functions.


Constructor Detail
DynamicQueryContext
public DynamicQueryContext(Configuration config)(Code)




Method Detail
clearParameters
public void clearParameters()(Code)
Reset the parameters to an empty list.



getContextItem
public Item getContextItem()(Code)
Get the context item for the query, as set using setContextItem() or setContextNode(). the context item if set, or null otherwise.
since:
   8.4



getContextNode
public NodeInfo getContextNode()(Code)
Get the context node for the query, as set using setContextNode() or getContextItem() (provided the item is a node). the context node if set, or null otherwise.



getCurrentDateTime
public DateTimeValue getCurrentDateTime()(Code)
Get the date and time set previously using DynamicQueryContext.setCurrentDateTime(net.sf.saxon.value.DateTimeValue) or null if none has been set. the current date and time, if it has been set.
since:
   8.5



getErrorListener
public ErrorListener getErrorListener()(Code)
Get the error listener. the ErrorListener in use
since:
   8.4



getParameter
public Object getParameter(String expandedName)(Code)
Get the actual value of a parameter to the query.
Parameters:
  expandedName - the name of the required parameter, in"{uri}local-name" format the value of the parameter, if it exists, or null otherwise



getParameters
protected HashMap getParameters()(Code)
Get the supplied parameters as a HashMap



getURIResolver
public URIResolver getURIResolver()(Code)
Get the URI resolver. the user-supplied URI resolver if there is one, or thesystem-defined one otherwise
since:
   8.4



setContextItem
public void setContextItem(Item item)(Code)
Set the context item for evaluating the expression. If this method is not called, the context node will be undefined. The context item is available as the value of the expression ".",. To obtain a node by parsing a source document, see the method net.sf.saxon.query.StaticQueryContext.buildDocument buildDocument in class QueryProcessor.
Parameters:
  item - The item that is to be the context item for the query
since:
   8.4



setContextNode
public void setContextNode(NodeInfo node)(Code)
Set the context item for evaluating the expression to be a node. If this method is not called, the context node will be undefined. The context node is available as the value of the expression ".". To obtain a NodeInfo by parsing a source document, see the method net.sf.saxon.query.StaticQueryContext.buildDocument buildDocument in class QueryProcessor.
Parameters:
  node - The node that is to be the context node for the query
since:
   8.4



setCurrentDateTime
public void setCurrentDateTime(DateTimeValue dateTime) throws XPathException(Code)
Set a value to be used as the current date and time for the query. By default, the "real" current date and time are used. The main purpose of this method is that it allows repeatable results to be achieved when testing queries
Parameters:
  dateTime - The value to be used as the current date and time. This must include a timezone.
since:
   8.5



setErrorListener
public void setErrorListener(ErrorListener listener)(Code)
Set the error listener. The error listener receives reports of all run-time errors and can decide how to report them.
Parameters:
  listener - the ErrorListener to be used
since:
   8.4



setParameter
public void setParameter(String expandedName, Object value)(Code)
Set a parameter for the query.
Parameters:
  expandedName - The name of the parameter in "{uri}local-name" format.It is not an error to supply a value for a parameter that has not beendeclared, the parameter will simply be ignored. If the parameter hasbeen declared in the query (as an external global variable) then itwill be initialized with the value supplied.
Parameters:
  value - The value of the parameter. This can be any valid Javaobject. It follows the same conversion rules as a value returnedfrom a Saxon extension function. An error will occur at queryexecution time if the supplied value cannot be converted to the requiredtype as declared in the query. For precise control of the type of thevalue, instantiate one of the classes in the net.sf.saxon.value package,for example net.sf.saxon.value.DayTimeDuration.
since:
   8.4



setURIResolver
public void setURIResolver(URIResolver resolver)(Code)
Set an object that will be used to resolve URIs used in fn:document() and related functions.
Parameters:
  resolver - An object that implements the URIResolver interface, ornull.
since:
   8.4



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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