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## com.icl.saxon.handlers
Class ElementHandler

    java.lang.Object
      |
      +--com.icl.saxon.handlers.ElementHandler

All Implemented Interfaces:
  NodeHandler

Direct Known Subclasses:
  ElementHandlerBase

public abstract class ElementHandler
extends java.lang.Object
implements NodeHandler

ElementHandler is a NodeHandler used to process elements. It is identical to it parent class, NodeHandler, and exists only for type-checking on interfaces.

Constructor Summary
`ElementHandler()`

Method Summary
`boolean` | `needsStackFrame()` Optimization hint to allow a handler to declare that it needs no stack space for local variables and parameters
`abstract void` | `start(NodeInfo node, Context context)` Define action to be taken at the start of a node. This method must be implemented in a subclass.

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

Constructor Detail

### ElementHandler

    public ElementHandler()

Method Detail

### start

    public abstract void start(NodeInfo node,
                               Context context)
                        throws javax.xml.transform.TransformerException

  Define action to be taken at the start of a node.
  This method must be implemented in a subclass.
  Specified by:
    `start` in interface `NodeHandler`
  Parameters:
    `node` - The NodeInfo object for the current node.
  Throws:
    `SAXException` - Aborts the parse
  See Also:
    `NodeInfo`

### needsStackFrame

    public boolean needsStackFrame()

  Description copied from interface: `NodeHandler`
  Optimization hint to allow a handler to declare that it needs no stack space for local variables and parameters
  Specified by:
    `needsStackFrame` in interface `NodeHandler`

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