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## org.apache.xalan.templates
Class ElemForEach

    java.lang.Object
      |
      +--org.apache.xml.utils.UnImplNode
            |
            +--org.apache.xalan.templates.ElemTemplateElement
                  |
                  +--org.apache.xalan.templates.ElemForEach

Direct Known Subclasses:
  ElemCallTemplate

public class ElemForEach
extends ElemTemplateElement
implements ExpressionOwner

Implement xsl:for-each.

See Also:
  for-each in XSLT Specification, Serialized Form
Usage:
  **For advanced use only**

Field Summary
`boolean` | `m_doc_cache_off` This is set by an "xalan-doc-cache-off" pi, or the old "xalan:doc-cache-off" pi.

Constructor Summary
`ElemForEach()` Construct a element representing xsl:for-each.

Method Summary
`ElemTemplateElement` | `appendChild(ElemTemplateElement newChild)` Add a child to the child list.
`void` | `callChildVisitors(XSLTVisitor visitor, boolean callAttributes)` Call the children visitors.
`void` | `compose(StylesheetRoot sroot)` This function is called after everything else has been recomposed, and allows the template to set remaining values that may be based on some other property that depends on recomposition.
`void` | `endCompose(StylesheetRoot sroot)` This after the template's children have been composed.
`void` | `execute(TransformerImpl transformer)` Execute the xsl:for-each transformation
`Expression` | `getExpression()`
`java.lang.String` | `getNodeName()` Return the node name.
`Expression` | `getSelect()` Get the "select" attribute.
`ElemSort` | `getSortElem(int i)` Get a xsl:sort element associated with this element.
`int` | `getSortElemCount()` Get the count xsl:sort elements associated with this element.
`int` | `getXSLToken()` Get an int constant identifying the type of element.
`void` | `setExpression(Expression exp)`
`void` | `setSelect(XPath xpath)` Set the "select" attribute.
`void` | `setSortElem(ElemSort sortElem)` Set a xsl:sort element associated with this element.
`DTMIterator` | `sortNodes(XPathContext xctxt, java.util.Vector keys, DTMIterator sourceNodes)` Sort given nodes
`void` | `transformSelectedNodes(TransformerImpl transformer)` Perform a query if needed, and call transformNode for each child.

Methods inherited from class org.apache.xalan.templates.ElemTemplateElement
`appendChild, callVisitors, canAcceptVariables, canStripWhiteSpace, compareTo, containsExcludeResultPrefix, error, error, exprAddChild, exprGetChild, exprGetNumChildren, exprGetParent, exprSetParent, getBaseIdentifier, getChildNodes, getColumnNumber, getDeclaredPrefixes, getDOMBackPointer, getEndColumnNumber, getEndLineNumber, getFirstChild, getFirstChildElem, getLastChild, getLastChildElem, getLength, getLineNumber, getLocalName, getNamespaceForPrefix, getNamespaceForPrefix, getNextSibling, getNextSiblingElem, getNodeType, getOwnerDocument, getOwnerXSLTemplate, getParentElem, getParentNode, getParentNodeElem, getPreviousSibling, getPreviousSiblingElem, getPublicId, getStylesheet, getStylesheetComposed, getStylesheetRoot, getSystemId, getTagName, getUid, getXmlSpace, handlesNullPrefixes, hasChildNodes, hasTextLitOnly, hasVariableDecl, insertBefore, isCompiledTemplate, item, recompose, removeChild, replaceChild, replaceChild, resolvePrefixTables, runtimeInit, setDOMBackPointer, setEndLocaterInfo, setLocaterInfo, setParentElem, setPrefixes, setPrefixes, setUid, setXmlSpace, shouldStripWhiteSpace`

Methods inherited from class org.apache.xml.utils.UnImplNode
`adoptNode, appendData, cloneNode, compareDocumentPosition, createAttribute, createAttributeNS, createCDATASection, createComment, createDocumentFragment, createElement, createElementNS, createEntityReference, createProcessingInstruction, createTextNode, deleteData, getActualEncoding, getAttribute, getAttributeNode, getAttributeNodeNS, getAttributeNS, getAttributes, getBaseURI, getDoctype, getDocumentElement, getDocumentURI, getDomConfig, getElementById, getElementsByTagName, getElementsByTagNameNS, getFeature, getImplementation, getInputEncoding, getNamespaceURI, getNodeValue, getOwnerElement, getPrefix, getSchemaTypeInfo, getSpecified, getStrictErrorChecking, getTextContent, getUserData, getWholeText, getXmlEncoding, getXmlStandalone, getXmlVersion, hasAttribute, hasAttributeNS, hasAttributes, importNode, insertData, isDefaultNamespace, isEqualNode, isId, isSameNode, isSupported, isWhitespaceInElementContent, lookupNamespaceURI, lookupPrefix, normalize, normalizeDocument, removeAttribute, removeAttributeNode, removeAttributeNS, removeChild, renameNode, replaceData, replaceWholeText, setActualEncoding, setAttribute, setAttributeNode, setAttributeNodeNS, setAttributeNS, setData, setDocumentURI, setIdAttribute, setIdAttribute, setIdAttributeNode, setIdAttributeNS, setInputEncoding, setNodeValue, setPrefix, setStrictErrorChecking, setTextContent, setUserData, setValue, setXmlEncoding, setXmlStandalone, setXmlVersion, splitText, substringData`

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

Field Detail

### m_doc_cache_off

    public boolean m_doc_cache_off

  This is set by an "xalan-doc-cache-off" pi, or the old "xalan:doc-cache-off" pi. The old form of the PI only works for XML parsers that are not namespace aware. It tells the engine that documents created in the location paths executed by this element will not be reparsed. It's set by StylesheetHandler during construction. Note that this feature applies _only_ to xsl:for-each elements in its current incarnation; a more general cache management solution is desperately needed.

Constructor Detail

### ElemForEach

    public ElemForEach()

  Construct a element representing xsl:for-each.

Method Detail

### setSelect

    public void setSelect(XPath xpath)

  Set the "select" attribute.
  Parameters:
    `xpath` - The XPath expression for the "select" attribute.

### getSelect

    public Expression getSelect()

  Get the "select" attribute.
  Returns:
    The XPath expression for the "select" attribute.

### compose

    public void compose(StylesheetRoot sroot)
                 throws TransformerException

  This function is called after everything else has been recomposed, and allows the template to set remaining values that may be based on some other property that depends on recomposition. NEEDSDOC @param sroot
  Throws:
    TransformerException -
  Overrides:
    compose in class ElemTemplateElement

### endCompose

    public void endCompose(StylesheetRoot sroot)
                    throws TransformerException

  This after the template's children have been composed.
  Overrides:
    endCompose in class ElemTemplateElement

### getSortElemCount

    public int getSortElemCount()

  Get the count xsl:sort elements associated with this element.
  Returns:
    The number of xsl:sort elements.

### getSortElem

    public ElemSort getSortElem(int i)

  Get a xsl:sort element associated with this element.
  Parameters:
    `i` - Index of xsl:sort element to get
  Returns:
    xsl:sort element at given index

### setSortElem

    public void setSortElem(ElemSort sortElem)

  Set a xsl:sort element associated with this element.
  Parameters:
    `sortElem` - xsl:sort element to set

### getXSLToken

    public int getXSLToken()

  Get an int constant identifying the type of element.
  Returns:
    The token ID for this element
  Overrides:
    getXSLToken in class ElemTemplateElement
  See Also:
    `Constants`

### getNodeName

    public java.lang.String getNodeName()

  Return the node name.
  Returns:
    The element's name
  Overrides:
    getNodeName in class ElemTemplateElement

### execute

    public void execute(TransformerImpl transformer)
                 throws TransformerException

  Execute the xsl:for-each transformation
  Parameters:
    `transformer` - non-null reference to the the current transform-time state.
  Throws:
    TransformerException -
  Overrides:
    execute in class ElemTemplateElement

### sortNodes

    public DTMIterator sortNodes(XPathContext xctxt,
                                 java.util.Vector keys,
                                 DTMIterator sourceNodes)
                          throws TransformerException

  Sort given nodes
  Parameters:
    `xctxt` - The XPath runtime state for the sort.
    `keys` - Vector of sort keyx
    `sourceNodes` - Iterator of nodes to sort
  Returns:
    iterator of sorted nodes
  Throws:
    TransformerException -

### transformSelectedNodes

    public void transformSelectedNodes(TransformerImpl transformer)
                                throws TransformerException

  Perform a query if needed, and call transformNode for each child.
  Parameters:
    `transformer` - non-null reference to the the current transform-time state.
  Throws:
    TransformerException - Thrown in a variety of circumstances.
  Usage:
    **For advanced use only**

### appendChild

    public ElemTemplateElement appendChild(ElemTemplateElement newChild)

  Add a child to the child list.
  Parameters:
    `newChild` - Child to add to child list
  Returns:
    Child just added to child list
  Overrides:
    appendChild in class ElemTemplateElement

### callChildVisitors

    public void callChildVisitors(XSLTVisitor visitor,
                                  boolean callAttributes)

  Call the children visitors.
  Parameters:
    `visitor` - The visitor whose appropriate method will be called.

### getExpression

    public Expression getExpression()

  Specified by:
    getExpression in interface ExpressionOwner
  See Also:
    `ExpressionOwner.getExpression()`

### setExpression

    public void setExpression(Expression exp)

  Specified by:
    setExpression in interface ExpressionOwner
  See Also:
    `ExpressionOwner.setExpression(Expression)`

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Copyright © 2006 Apache XML Project. All Rights Reserved.