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## org.exist.memtree
Class NodeImpl

    java.lang.Object
      org.exist.memtree.NodeImpl

All Implemented Interfaces:
  java.lang.Comparable, Item, org.w3c.dom.Node, NodeValue, QNameable, Sequence

Direct Known Subclasses:
  AttributeImpl, CDATASectionImpl, CommentImpl, DocumentImpl, ElementImpl, NamespaceNode, ProcessingInstructionImpl, ReferenceNode, TextImpl

public class NodeImpl
extends java.lang.Object
implements org.w3c.dom.Node, NodeValue, QNameable, java.lang.Comparable

Field Summary
`static short` | `NAMESPACE_NODE`
`static short` | `REFERENCE_NODE`

Fields inherited from interface org.w3c.dom.Node
`ATTRIBUTE_NODE, CDATA_SECTION_NODE, COMMENT_NODE, DOCUMENT_FRAGMENT_NODE, DOCUMENT_NODE, DOCUMENT_TYPE_NODE, ELEMENT_NODE, ENTITY_NODE, ENTITY_REFERENCE_NODE, NOTATION_NODE, PROCESSING_INSTRUCTION_NODE, TEXT_NODE`

Fields inherited from interface org.exist.xquery.value.NodeValue
`IN_MEMORY_NODE, PERSISTENT_NODE`

Fields inherited from interface org.exist.xquery.value.Sequence
`EMPTY_SEQUENCE`

Constructor Summary
`NodeImpl(DocumentImpl doc, int nodeNumber)`

Method Summary
`void` | `add(Item item)` Add an item to the current sequence.
`void` | `addAll(Sequence other)` Add all items of the other sequence to this item.
`void` | `addContextNode(int contextId, NodeValue node)`
`boolean` | `after(NodeValue other, boolean isFollowing)` Returns true if this node comes after another node in document order.
`org.w3c.dom.Node` | `appendChild(org.w3c.dom.Node arg0)`
`AtomicValue` | `atomize()`
`boolean` | `before(NodeValue other, boolean isPreceding)` Returns true if this node comes before another node in document order.
`void` | `clearContext(int contextId)` For every item in the sequence, clear any context-dependant information that is stored during query processing.
`org.w3c.dom.Node` | `cloneNode(boolean arg0)`
`short` | `compareDocumentPosition(org.w3c.dom.Node other)` ? @see org.w3c.dom.Node#compareDocumentPosition(org.w3c.dom.Node)
`int` | `compareTo(java.lang.Object other)`
`int` | `conversionPreference(java.lang.Class javaClass)` Returns a preference indicator, indicating the preference of a value to be converted into the given Java class.
`AtomicValue` | `convertTo(int requiredType)` Convert this item into an atomic value, whose type corresponds to the specified target type.
`void` | `copyTo(DBBroker broker, DocumentBuilderReceiver receiver)`
`void` | `deepCopy()`
`boolean` | `effectiveBooleanValue()` Get the effective boolean value of this sequence.
`boolean` | `equals(NodeValue other)` Returns true if this node has the same identity as another node.
`boolean` | `equals(java.lang.Object obj)`
`void` | `expand()`
`org.w3c.dom.NamedNodeMap` | `getAttributes()`
`java.lang.String` | `getBaseURI()` ? @see org.w3c.dom.Node#getBaseURI()
`int` | `getCardinality()` Returns the cardinality of this sequence.
`org.w3c.dom.NodeList` | `getChildNodes()`
`DocumentImpl` | `getDocument()`
`DocumentSet` | `getDocumentSet()` Returns the set of documents from which the node items in this sequence have been selected.
`java.lang.Object` | `getFeature(java.lang.String feature, java.lang.String version)` ? @see org.w3c.dom.Node#getFeature(java.lang.String, java.lang.String)
`org.w3c.dom.Node` | `getFirstChild()`
`int` | `getImplementationType()` Returns the implementation-type of this node, i.e.
`int` | `getItemType()` Return the primary type to which all items in this sequence belong.
`org.w3c.dom.Node` | `getLastChild()`
`int` | `getLength()` Returns the number of items contained in the sequence.
`java.lang.String` | `getLocalName()`
`java.lang.String` | `getNamespaceURI()`
`org.w3c.dom.Node` | `getNextSibling()`
`org.w3c.dom.Node` | `getNode()`
`java.lang.String` | `getNodeName()`
`int` | `getNodeNumber()`
`short` | `getNodeType()`
`java.lang.String` | `getNodeValue()`
`org.w3c.dom.Document` | `getOwnerDocument()`
`org.w3c.dom.Node` | `getParentNode()`
`java.lang.String` | `getPrefix()`
`org.w3c.dom.Node` | `getPreviousSibling()`
`QName` | `getQName()`
`java.lang.String` | `getStringValue()` Return the string value of this item (see the definition of string value in XPath).
`java.lang.String` | `getTextContent()` ? @see org.w3c.dom.Node#getTextContent()
`int` | `getType()` Return the type of this item according to the type constants defined in class `Type`.
`java.lang.Object` | `getUserData(java.lang.String key)` ? @see org.w3c.dom.Node#getUserData(java.lang.String)
`boolean` | `hasAttributes()`
`boolean` | `hasChildNodes()`
`boolean` | `hasMany()` Returns whether the sequence more than one item or not.
`boolean` | `hasOne()` Returns whether the sequence has just one item or not.
`org.w3c.dom.Node` | `insertBefore(org.w3c.dom.Node arg0, org.w3c.dom.Node arg1)`
`boolean` | `isCached()` Returns true if the sequence is the result of a previous operation and has been cached.
`boolean` | `isDefaultNamespace(java.lang.String namespaceURI)` ? @see org.w3c.dom.Node#isDefaultNamespace(java.lang.String)
`boolean` | `isEmpty()` Returns whether the sequence is empty or not.
`boolean` | `isEqualNode(org.w3c.dom.Node arg)` ? @see org.w3c.dom.Node#isEqualNode(org.w3c.dom.Node)
`boolean` | `isPersistentSet()`
`boolean` | `isSameNode(org.w3c.dom.Node other)` ? @see org.w3c.dom.Node#isSameNode(org.w3c.dom.Node)
`boolean` | `isSupported(java.lang.String arg0, java.lang.String arg1)`
`Item` | `itemAt(int pos)` Returns the item located at the specified position within this sequence.
`SequenceIterator` | `iterate()` Returns an iterator over all items in the sequence.
`java.lang.String` | `lookupNamespaceURI(java.lang.String prefix)` ? @see org.w3c.dom.Node#lookupNamespaceURI(java.lang.String)
`java.lang.String` | `lookupPrefix(java.lang.String namespaceURI)` ? @see org.w3c.dom.Node#lookupPrefix(java.lang.String)
`void` | `normalize()`
`org.w3c.dom.Node` | `removeChild(org.w3c.dom.Node arg0)`
`void` | `removeDuplicates()` Explicitely remove all duplicate nodes from this sequence.
`org.w3c.dom.Node` | `replaceChild(org.w3c.dom.Node arg0, org.w3c.dom.Node arg1)`
`void` | `setIsCached(boolean cached)` Indicates that the sequence is the result of a previous operation and has not been recomputed.
`void` | `setNodeValue(java.lang.String arg0)`
`void` | `setPrefix(java.lang.String arg0)`
`void` | `setSelfAsContext(int contextId)`
`void` | `setTextContent(java.lang.String textContent)` ? @see org.w3c.dom.Node#setTextContent(java.lang.String)
`java.lang.Object` | `setUserData(java.lang.String key, java.lang.Object data, org.w3c.dom.UserDataHandler handler)` ? @see org.w3c.dom.Node#setUserData(java.lang.String, java.lang.Object, org.w3c.dom.UserDataHandler)
`void` | `streamTo(Serializer serializer, Receiver receiver)`
`java.lang.Object` | `toJavaObject(java.lang.Class target)` Convert the value into an instance of the specified Java class.
`NodeSet` | `toNodeSet()` Convert the sequence into a NodeSet.
`void` | `toSAX(DBBroker broker, org.xml.sax.ContentHandler handler)`
`Sequence` | `toSequence()` Convert this item into a sequence, containing only the item.
`SequenceIterator` | `unorderedIterator()` Returns an iterator over all items in the sequence.

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

Field Detail

### REFERENCE_NODE

    public static final short REFERENCE_NODE

See Also:
  Constant Field Values

### NAMESPACE_NODE

    public static final short NAMESPACE_NODE

See Also:
  Constant Field Values

Constructor Detail

### NodeImpl

    public NodeImpl(DocumentImpl doc,
                    int nodeNumber)

Method Detail

### getNodeNumber

    public int getNodeNumber()

### getImplementationType

    public int getImplementationType()

  Description copied from interface: `NodeValue`
  Returns the implementation-type of this node, i.e. either `NodeValue.IN_MEMORY_NODE` or `NodeValue.PERSISTENT_NODE`.

  Specified by:
    `getImplementationType` in interface `NodeValue`

### getDocumentSet

    public DocumentSet getDocumentSet()

  Description copied from interface: `Sequence`
  Returns the set of documents from which the node items in this sequence have been selected. This is for internal use only.

  Specified by:
    `getDocumentSet` in interface `Sequence`

### getNode

    public org.w3c.dom.Node getNode()

  Specified by:
    `getNode` in interface `NodeValue`

### getNodeName

    public java.lang.String getNodeName()

  Specified by:
    `getNodeName` in interface `org.w3c.dom.Node`

### getQName

    public QName getQName()

  Specified by:
    `getQName` in interface `QNameable`

### expand

    public void expand()
                throws org.w3c.dom.DOMException

  Throws:
    `org.w3c.dom.DOMException`

### deepCopy

    public void deepCopy()
                  throws org.w3c.dom.DOMException

  Throws:
    `org.w3c.dom.DOMException`

### getNodeValue

    public java.lang.String getNodeValue()
                                  throws org.w3c.dom.DOMException

  Specified by:
    `getNodeValue` in interface `org.w3c.dom.Node`
  Throws:
    `org.w3c.dom.DOMException`

### setNodeValue

    public void setNodeValue(java.lang.String arg0)
                      throws org.w3c.dom.DOMException

  Specified by:
    `setNodeValue` in interface `org.w3c.dom.Node`
  Throws:
    `org.w3c.dom.DOMException`

### getNodeType

    public short getNodeType()

  Specified by:
    `getNodeType` in interface `org.w3c.dom.Node`

### getParentNode

    public org.w3c.dom.Node getParentNode()

  Specified by:
    `getParentNode` in interface `org.w3c.dom.Node`

### addContextNode

    public void addContextNode(int contextId,
                               NodeValue node)

  Specified by:
    `addContextNode` in interface `NodeValue`

### equals

    public boolean equals(java.lang.Object obj)

### equals

    public boolean equals(NodeValue other)
                   throws XPathException

  Description copied from interface: `NodeValue`
  Returns true if this node has the same identity as another node. Used to implement "is" and "isnot" comparisons.

  Specified by:
    `equals` in interface `NodeValue`
  Parameters:
    `other` -
  Throws:
    `XPathException`

### after

    public boolean after(NodeValue other,
                         boolean isFollowing)
                  throws XPathException

  Description copied from interface: `NodeValue`
  Returns true if this node comes after another node in document order.

  Specified by:
    `after` in interface `NodeValue`
  Parameters:
    `other` -
  Throws:
    `XPathException`

### before

    public boolean before(NodeValue other,
                          boolean isPreceding)
                   throws XPathException

  Description copied from interface: `NodeValue`
  Returns true if this node comes before another node in document order.

  Specified by:
    `before` in interface `NodeValue`
  Parameters:
    `other` -
  Throws:
    `XPathException`

### compareTo

    public int compareTo(java.lang.Object other)

  Specified by:
    `compareTo` in interface `java.lang.Comparable`

### getChildNodes

    public org.w3c.dom.NodeList getChildNodes()

  Specified by:
    `getChildNodes` in interface `org.w3c.dom.Node`

### getFirstChild

    public org.w3c.dom.Node getFirstChild()

  Specified by:
    `getFirstChild` in interface `org.w3c.dom.Node`

### getLastChild

    public org.w3c.dom.Node getLastChild()

  Specified by:
    `getLastChild` in interface `org.w3c.dom.Node`

### getPreviousSibling

    public org.w3c.dom.Node getPreviousSibling()

  Specified by:
    `getPreviousSibling` in interface `org.w3c.dom.Node`

### getNextSibling

    public org.w3c.dom.Node getNextSibling()

  Specified by:
    `getNextSibling` in interface `org.w3c.dom.Node`

### getAttributes

    public org.w3c.dom.NamedNodeMap getAttributes()

  Specified by:
    `getAttributes` in interface `org.w3c.dom.Node`

### getOwnerDocument

    public org.w3c.dom.Document getOwnerDocument()

  Specified by:
    `getOwnerDocument` in interface `org.w3c.dom.Node`

### getDocument

    public DocumentImpl getDocument()

### insertBefore

    public org.w3c.dom.Node insertBefore(org.w3c.dom.Node arg0,
                                         org.w3c.dom.Node arg1)
                                  throws org.w3c.dom.DOMException

  Specified by:
    `insertBefore` in interface `org.w3c.dom.Node`
  Throws:
    `org.w3c.dom.DOMException`

### replaceChild

    public org.w3c.dom.Node replaceChild(org.w3c.dom.Node arg0,
                                         org.w3c.dom.Node arg1)
                                  throws org.w3c.dom.DOMException

  Specified by:
    `replaceChild` in interface `org.w3c.dom.Node`
  Throws:
    `org.w3c.dom.DOMException`

### removeChild

    public org.w3c.dom.Node removeChild(org.w3c.dom.Node arg0)
                                 throws org.w3c.dom.DOMException

  Specified by:
    `removeChild` in interface `org.w3c.dom.Node`
  Throws:
    `org.w3c.dom.DOMException`

### appendChild

    public org.w3c.dom.Node appendChild(org.w3c.dom.Node arg0)
                                 throws org.w3c.dom.DOMException

  Specified by:
    `appendChild` in interface `org.w3c.dom.Node`
  Throws:
    `org.w3c.dom.DOMException`

### hasChildNodes

    public boolean hasChildNodes()

  Specified by:
    `hasChildNodes` in interface `org.w3c.dom.Node`

### cloneNode

    public org.w3c.dom.Node cloneNode(boolean arg0)

  Specified by:
    `cloneNode` in interface `org.w3c.dom.Node`

### normalize

    public void normalize()

  Specified by:
    `normalize` in interface `org.w3c.dom.Node`

### isSupported

    public boolean isSupported(java.lang.String arg0,
                               java.lang.String arg1)

  Specified by:
    `isSupported` in interface `org.w3c.dom.Node`

### getNamespaceURI

    public java.lang.String getNamespaceURI()

  Specified by:
    `getNamespaceURI` in interface `org.w3c.dom.Node`

### getPrefix

    public java.lang.String getPrefix()

  Specified by:
    `getPrefix` in interface `org.w3c.dom.Node`

### setPrefix

    public void setPrefix(java.lang.String arg0)
                   throws org.w3c.dom.DOMException

  Specified by:
    `setPrefix` in interface `org.w3c.dom.Node`
  Throws:
    `org.w3c.dom.DOMException`

### getLocalName

    public java.lang.String getLocalName()

  Specified by:
    `getLocalName` in interface `org.w3c.dom.Node`

### hasAttributes

    public boolean hasAttributes()

  Specified by:
    `hasAttributes` in interface `org.w3c.dom.Node`

### getType

    public int getType()

  Description copied from interface: `Item`
  Return the type of this item according to the type constants defined in class `Type`.

  Specified by:
    `getType` in interface `Item`

### getStringValue

    public java.lang.String getStringValue()

  Description copied from interface: `Item`
  Return the string value of this item (see the definition of string value in XPath).

  Specified by:
    `getStringValue` in interface `Item`

### toSequence

    public Sequence toSequence()

  Description copied from interface: `Item`
  Convert this item into a sequence, containing only the item.

  Specified by:
    `toSequence` in interface `Item`

### convertTo

    public AtomicValue convertTo(int requiredType)
                          throws XPathException

  Description copied from interface: `Item`
  Convert this item into an atomic value, whose type corresponds to the specified target type. requiredType should be one of the type constants defined in `Type`. An `XPathException` is thrown if the conversion is impossible.

  Specified by:
    `convertTo` in interface `Item`
  Parameters:
    `requiredType` -
  Throws:
    `XPathException`

### atomize

    public AtomicValue atomize()
                        throws XPathException

  Specified by:
    `atomize` in interface `Item`
  Throws:
    `XPathException`

### isEmpty

    public boolean isEmpty()

  Description copied from interface: `Sequence`
  Returns whether the sequence is empty or not.

  Specified by:
    `isEmpty` in interface `Sequence`
  Returns:
    `true` is the sequence is empty

### hasOne

    public boolean hasOne()

  Description copied from interface: `Sequence`
  Returns whether the sequence has just one item or not.

  Specified by:
    `hasOne` in interface `Sequence`
  Returns:
    `true` is the sequence has just one item

### hasMany

    public boolean hasMany()

  Description copied from interface: `Sequence`
  Returns whether the sequence more than one item or not.

  Specified by:
    `hasMany` in interface `Sequence`
  Returns:
    `true` is the sequence more than one item

### add

    public void add(Item item)
             throws XPathException

  Description copied from interface: `Sequence`
  Add an item to the current sequence. An `XPathException` may be thrown if the item's type is incompatible with this type of sequence (e.g. if the sequence is a node set). The sequence may or may not allow duplicate values.

  Specified by:
    `add` in interface `Sequence`
  Parameters:
    `item` -
  Throws:
    `XPathException`

### addAll

    public void addAll(Sequence other)
                throws XPathException

  Description copied from interface: `Sequence`
  Add all items of the other sequence to this item. An `XPathException` may be thrown if the type of the items in the other sequence is incompatible with the primary type of this sequence.

  Specified by:
    `addAll` in interface `Sequence`
  Parameters:
    `other` -
  Throws:
    `XPathException`

### getItemType

    public int getItemType()

  Description copied from interface: `Sequence`
  Return the primary type to which all items in this sequence belong. This is `Type.NODE` for node sets, `Type.ITEM` for other sequences with mixed items.

  Specified by:
    `getItemType` in interface `Sequence`
  Returns:
    the primary type of the items in this sequence.

### iterate

    public SequenceIterator iterate()
                             throws XPathException

  Description copied from interface: `Sequence`
  Returns an iterator over all items in the sequence. The items are returned in document order where applicable.

  Specified by:
    `iterate` in interface `Sequence`
  Throws:
    `XPathException` - TODO

### unorderedIterator

    public SequenceIterator unorderedIterator()

  Description copied from interface: `Sequence`
  Returns an iterator over all items in the sequence. The returned items may - but need not - to be in document order.

  Specified by:
    `unorderedIterator` in interface `Sequence`

### getLength

    public int getLength()

  Description copied from interface: `Sequence`
  Returns the number of items contained in the sequence. Call this method only when necessary, since it can be resource consuming.

  Specified by:
    `getLength` in interface `Sequence`
  Returns:
    The sequence's length

### getCardinality

    public int getCardinality()

  Description copied from interface: `Sequence`
  Returns the cardinality of this sequence. The returned value is a combination of flags as defined in `Cardinality`.

  Specified by:
    `getCardinality` in interface `Sequence`
  See Also:
    `Cardinality`

### itemAt

    public Item itemAt(int pos)

  Description copied from interface: `Sequence`
  Returns the item located at the specified position within this sequence. Items are counted beginning at 0.

  Specified by:
    `itemAt` in interface `Sequence`
  Parameters:
    `pos` -

### effectiveBooleanValue

    public boolean effectiveBooleanValue()
                                  throws XPathException

  Description copied from interface: `Sequence`
  Get the effective boolean value of this sequence. Will be false if the sequence is empty, true otherwise.

  Specified by:
    `effectiveBooleanValue` in interface `Sequence`
  Throws:
    `XPathException`

### toNodeSet

    public NodeSet toNodeSet()
                      throws XPathException

  Description copied from interface: `Sequence`
  Convert the sequence into a NodeSet. If the sequence contains items which are not nodes, an XPathException is thrown.

  Specified by:
    `toNodeSet` in interface `Sequence`
  Throws:
    `XPathException` - if the sequence contains items which are not nodes.

### toSAX

    public void toSAX(DBBroker broker,
                      org.xml.sax.ContentHandler handler)
               throws org.xml.sax.SAXException

  Specified by:
    `toSAX` in interface `Item`
  Throws:
    `org.xml.sax.SAXException`

### copyTo

    public void copyTo(DBBroker broker,
                       DocumentBuilderReceiver receiver)
                throws org.xml.sax.SAXException

  Specified by:
    `copyTo` in interface `Item`
  Throws:
    `org.xml.sax.SAXException`

### streamTo

    public void streamTo(Serializer serializer,
                         Receiver receiver)
                  throws org.xml.sax.SAXException

  Throws:
    `org.xml.sax.SAXException`

### conversionPreference

    public int conversionPreference(java.lang.Class javaClass)

  Description copied from interface: `Sequence`
  Returns a preference indicator, indicating the preference of a value to be converted into the given Java class. Low numbers mean that the value can be easily converted into the given class.

  Specified by:
    `conversionPreference` in interface `Item`

### toJavaObject

    public java.lang.Object toJavaObject(java.lang.Class target)
                                  throws XPathException

  Description copied from interface: `Sequence`
  Convert the value into an instance of the specified Java class.

  Specified by:
    `toJavaObject` in interface `Item`
  Throws:
    `XPathException`

### setSelfAsContext

    public void setSelfAsContext(int contextId)

  Specified by:
    `setSelfAsContext` in interface `Sequence`

### isCached

    public boolean isCached()

  Description copied from interface: `Sequence`
  Returns true if the sequence is the result of a previous operation and has been cached.

  Specified by:
    `isCached` in interface `Sequence`

### setIsCached

    public void setIsCached(boolean cached)

  Description copied from interface: `Sequence`
  Indicates that the sequence is the result of a previous operation and has not been recomputed.

  Specified by:
    `setIsCached` in interface `Sequence`
  Parameters:
    `cached` -

### removeDuplicates

    public void removeDuplicates()

  Description copied from interface: `Sequence`
  Explicitely remove all duplicate nodes from this sequence.

  Specified by:
    `removeDuplicates` in interface `Sequence`

### getBaseURI

    public java.lang.String getBaseURI()

  ? @see org.w3c.dom.Node#getBaseURI()

### compareDocumentPosition

    public short compareDocumentPosition(org.w3c.dom.Node other)
                                  throws org.w3c.dom.DOMException

  ? @see org.w3c.dom.Node#compareDocumentPosition(org.w3c.dom.Node)

  Throws:
    `org.w3c.dom.DOMException`

### getTextContent

    public java.lang.String getTextContent()
                                    throws org.w3c.dom.DOMException

  ? @see org.w3c.dom.Node#getTextContent()

  Throws:
    `org.w3c.dom.DOMException`

### setTextContent

    public void setTextContent(java.lang.String textContent)
                        throws org.w3c.dom.DOMException

  ? @see org.w3c.dom.Node#setTextContent(java.lang.String)

  Throws:
    `org.w3c.dom.DOMException`

### isSameNode

    public boolean isSameNode(org.w3c.dom.Node other)

  ? @see org.w3c.dom.Node#isSameNode(org.w3c.dom.Node)

### lookupPrefix

    public java.lang.String lookupPrefix(java.lang.String namespaceURI)

  ? @see org.w3c.dom.Node#lookupPrefix(java.lang.String)

### isDefaultNamespace

    public boolean isDefaultNamespace(java.lang.String namespaceURI)

  ? @see org.w3c.dom.Node#isDefaultNamespace(java.lang.String)

### lookupNamespaceURI

    public java.lang.String lookupNamespaceURI(java.lang.String prefix)

  ? @see org.w3c.dom.Node#lookupNamespaceURI(java.lang.String)

### isEqualNode

    public boolean isEqualNode(org.w3c.dom.Node arg)

  ? @see org.w3c.dom.Node#isEqualNode(org.w3c.dom.Node)

### getFeature

    public java.lang.Object getFeature(java.lang.String feature,
                                       java.lang.String version)

  ? @see org.w3c.dom.Node#getFeature(java.lang.String, java.lang.String)

### setUserData

    public java.lang.Object setUserData(java.lang.String key,
                                        java.lang.Object data,
                                        org.w3c.dom.UserDataHandler handler)

  ? @see org.w3c.dom.Node#setUserData(java.lang.String, java.lang.Object, org.w3c.dom.UserDataHandler)

### getUserData

    public java.lang.Object getUserData(java.lang.String key)

  ? @see org.w3c.dom.Node#getUserData(java.lang.String)

### isPersistentSet

    public boolean isPersistentSet()

  Specified by:
    `isPersistentSet` in interface `Sequence`

### clearContext

    public void clearContext(int contextId)

  Description copied from interface: `Sequence`
  For every item in the sequence, clear any context-dependant information that is stored during query processing. This feature is used for node sets, which may store information about their context node.

  Specified by:
    `clearContext` in interface `Sequence`

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