org.planx.xmlstore.koala.nodes
Class DVMElementNode

java.lang.Object
  org.planx.xmlstore.koala.nodes.AbstractDVMNode
      org.planx.xmlstore.koala.nodes.DVMElementNode

All Implemented Interfaces:

SystemNode, Node

public class DVMElementNode
extends AbstractDVMNode

An immutable ELEMENT node.

Author:

Thomas Ambus

Field Summary

Fields inherited from interface org.planx.xmlstore.Node

BINARY, CHARDATA, ELEMENT

Constructor Summary

DVMElementNode(String value)

DVMElementNode(String value, List<SystemNode> children, List<Attribute> attrs)

DVMElementNode(String value, SystemNode[] children, Attribute[] attrs)

Method Summary

boolean	equals(Object o) Returns true if and only if the specified object is also a Node, they have the same type, their node values are equal, their attributes are equals as a set, and their children are recursively equal according to this definition.
String	getAttribute(String attrName) Returns the attribute with the given name.
String[]	getAttributeNames() Returns the names of this Node's attributes.
List<Attribute>	getAttributes() Returns the attributes of this Node.
List<SystemNode>	getChildren() Returns the children of this Node.
String	getNodeValue() Returns the value of this Node.
int	hashCode() Recursively computes a hash code based on the node type, node value, attributes, and children.
static DVMElementNode	uncheckedNode(String value, List<SystemNode> children, List<Attribute> attrs, Locator loc, boolean isShared) Returns a new DVMElementNode where the child and attribute lists are not checked for immutability or copied during construction.

Methods inherited from class org.planx.xmlstore.koala.nodes.AbstractDVMNode

contentEquals, getBytes, getLocator, getType, getValueReference, isMutable, isShared, setLocator, setValueReference, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

DVMElementNode

public DVMElementNode(String value)

DVMElementNode

public DVMElementNode(String value,
                      List<SystemNode> children,
                      List<Attribute> attrs)

DVMElementNode

public DVMElementNode(String value,
                      SystemNode[] children,
                      Attribute[] attrs)

Method Detail

uncheckedNode

public static DVMElementNode uncheckedNode(String value,
                                           List<SystemNode> children,
                                           List<Attribute> attrs,
                                           Locator loc,
                                           boolean isShared)

Returns a new DVMElementNode where the child and attribute lists are not checked for immutability or copied during construction. This special way to construct an element node is provided for efficiency in implementing system applications which may otherwise ensure that the lists are immutable.

getNodeValue

public String getNodeValue()

Description copied from interface: Node

Returns the value of this Node. When the node represents a character data node, the returned value will be the character data. When the node represents an element node, the returned value will by the tag name of the element. When the node represents binary data, the returned value will be a base64 encoding of the data.

Returns:

The node value.

getChildren

public List<SystemNode> getChildren()

Description copied from interface: Node

Returns the children of this Node. If the node represents character data the empty list is returned.

Returns:

An immutable list of the children of this Node.

getAttributes

public List<Attribute> getAttributes()

Description copied from interface: Node

Returns the attributes of this Node. In case the node represents character data, the empty list is returned.

Returns:

An immutable list of the attributes of this Node.

getAttribute

public String getAttribute(String attrName)

Description copied from interface: Node

Returns the attribute with the given name. In case the node represents a character data node the returned value is null.

Returns:

The attribute named by the argument.

getAttributeNames

public String[] getAttributeNames()

Description copied from interface: Node

Returns the names of this Node's attributes. If the node represents character data the returned array is empty.

Returns:

The attribute names of the node.

equals

public boolean equals(Object o)

Description copied from interface: Node

Returns true if and only if the specified object is also a Node, they have the same type, their node values are equal, their attributes are equals as a set, and their children are recursively equal according to this definition.

Specified by:

equals in interface Node

Overrides:

equals in class Object

hashCode

public int hashCode()

Description copied from interface: Node

Recursively computes a hash code based on the node type, node value, attributes, and children.

Specified by:

hashCode in interface Node

Overrides:

hashCode in class Object