Java Doc for SchemaNode.java in  » Database-Client » iSQL-Viewer » org » isqlviewer » model » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database Client » iSQL Viewer » org.isqlviewer.model 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   javax.swing.tree.DefaultMutableTreeNode
      org.isqlviewer.model.SchemaNode

SchemaNode
final public class SchemaNode extends DefaultMutableTreeNode implements Transferable(Code)
TreeNode class for distinguinshing different nodes by a given type within a tree.

This node class should alleviate and provide more flexiblility to the structure of the JdbcSchema tree so that nodes can be indentified by an enumerated type instead of making a guess by the name of the node itself as to what data it actually represents in the JDBC Schema.
author:
   Mark A. Kobold <mkobold at isqlviewer dot com>
version:
   1.0



Field Summary
final public static  DataFlavorDATA_FLAVOR
    
final public static  StringMIME_TYPE
    

Constructor Summary
public  SchemaNode(SchemaNodeType nodeType)
     Creates a tree node that has no parent and no children, but which allows children.
public  SchemaNode(Object userObject, SchemaNodeType nodeType)
     Creates a tree node with no parent, no children.
public  SchemaNode(Object userObject, boolean allowsChildren, SchemaNodeType nodeType)
     Creates a tree node with no parent, no children.

Method Summary
public  SchemaNodeTypegetNodeType()
     Gets the current type of schema node this represenents.
public  ObjectgetTransferData(DataFlavor flavor)
    
public  DataFlavor[]getTransferDataFlavors()
    
public  StringgetUserObject()
    
public  booleanisDataFlavorSupported(DataFlavor flavor)
    
public  booleanisHasError()
     Return true if this node loaded with an error.
public  booleanisNoncached()
    
public synchronized  voidsetHasError(boolean hasError)
     Sets the error flag to the appropriate value.

Field Detail
DATA_FLAVOR
final public static DataFlavor DATA_FLAVOR(Code)



MIME_TYPE
final public static String MIME_TYPE(Code)




Constructor Detail
SchemaNode
public SchemaNode(SchemaNodeType nodeType)(Code)
Creates a tree node that has no parent and no children, but which allows children.


Parameters:
  nodeType - type of node this instance represents.
throws:
  NullPointerException - if nodeType is null.




SchemaNode
public SchemaNode(Object userObject, SchemaNodeType nodeType)(Code)
Creates a tree node with no parent, no children.

This instance will be one that allows children, and initializes it with the specified user object.
Parameters:
  userObject - an Object provided by the user that constitutes the node's data
Parameters:
  nodeType - type of node this instance represents.
throws:
  NullPointerException - if nodeType is null.




SchemaNode
public SchemaNode(Object userObject, boolean allowsChildren, SchemaNodeType nodeType)(Code)
Creates a tree node with no parent, no children.

This instance will be initialized with the specified user object, and that allows children only if specified.
Parameters:
  userObject - an Object provided by the user that constitutes the node's data
Parameters:
  allowsChildren - if true, the node is allowed to have child nodes -- otherwise, it is always a leaf node
Parameters:
  nodeType - type of node this instance represents.
throws:
  NullPointerException - if nodeType is null.





Method Detail
getNodeType
public SchemaNodeType getNodeType()(Code)
Gets the current type of schema node this represenents.

type of node within the JDBC Schema is being represented.




getTransferData
public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException(Code)



getTransferDataFlavors
public DataFlavor[] getTransferDataFlavors()(Code)



getUserObject
public String getUserObject()(Code)



isDataFlavorSupported
public boolean isDataFlavorSupported(DataFlavor flavor)(Code)



isHasError
public boolean isHasError()(Code)
Return true if this node loaded with an error.

Since most schema nodes are loaded via the database this allows a state to be saved to the node if parent or child had an error during the loading process. true if this node expierenced some sort of SQL Exception during initialization.




isNoncached
public boolean isNoncached()(Code)



setHasError
public synchronized void setHasError(boolean hasError)(Code)
Sets the error flag to the appropriate value.


Parameters:
  hasError - value to indicate if the node expierenced and error.F




Fields inherited from javax.swing.tree.DefaultMutableTreeNode
final public static Enumeration<TreeNode> EMPTY_ENUMERATION(Code)(Java Doc)
protected boolean allowsChildren(Code)(Java Doc)
protected Vector children(Code)(Java Doc)
protected MutableTreeNode parent(Code)(Java Doc)
protected transient Object userObject(Code)(Java Doc)

Methods inherited from javax.swing.tree.DefaultMutableTreeNode
public void add(MutableTreeNode newChild)(Code)(Java Doc)
public Enumeration breadthFirstEnumeration()(Code)(Java Doc)
public Enumeration children()(Code)(Java Doc)
public Object clone()(Code)(Java Doc)
public Enumeration depthFirstEnumeration()(Code)(Java Doc)
public boolean getAllowsChildren()(Code)(Java Doc)
public TreeNode getChildAfter(TreeNode aChild)(Code)(Java Doc)
public TreeNode getChildAt(int index)(Code)(Java Doc)
public TreeNode getChildBefore(TreeNode aChild)(Code)(Java Doc)
public int getChildCount()(Code)(Java Doc)
public int getDepth()(Code)(Java Doc)
public TreeNode getFirstChild()(Code)(Java Doc)
public DefaultMutableTreeNode getFirstLeaf()(Code)(Java Doc)
public int getIndex(TreeNode aChild)(Code)(Java Doc)
public TreeNode getLastChild()(Code)(Java Doc)
public DefaultMutableTreeNode getLastLeaf()(Code)(Java Doc)
public int getLeafCount()(Code)(Java Doc)
public int getLevel()(Code)(Java Doc)
public DefaultMutableTreeNode getNextLeaf()(Code)(Java Doc)
public DefaultMutableTreeNode getNextNode()(Code)(Java Doc)
public DefaultMutableTreeNode getNextSibling()(Code)(Java Doc)
public TreeNode getParent()(Code)(Java Doc)
public TreeNode[] getPath()(Code)(Java Doc)
protected TreeNode[] getPathToRoot(TreeNode aNode, int depth)(Code)(Java Doc)
public DefaultMutableTreeNode getPreviousLeaf()(Code)(Java Doc)
public DefaultMutableTreeNode getPreviousNode()(Code)(Java Doc)
public DefaultMutableTreeNode getPreviousSibling()(Code)(Java Doc)
public TreeNode getRoot()(Code)(Java Doc)
public TreeNode getSharedAncestor(DefaultMutableTreeNode aNode)(Code)(Java Doc)
public int getSiblingCount()(Code)(Java Doc)
public Object getUserObject()(Code)(Java Doc)
public Object[] getUserObjectPath()(Code)(Java Doc)
public void insert(MutableTreeNode newChild, int childIndex)(Code)(Java Doc)
public boolean isLeaf()(Code)(Java Doc)
public boolean isNodeAncestor(TreeNode anotherNode)(Code)(Java Doc)
public boolean isNodeChild(TreeNode aNode)(Code)(Java Doc)
public boolean isNodeDescendant(DefaultMutableTreeNode anotherNode)(Code)(Java Doc)
public boolean isNodeRelated(DefaultMutableTreeNode aNode)(Code)(Java Doc)
public boolean isNodeSibling(TreeNode anotherNode)(Code)(Java Doc)
public boolean isRoot()(Code)(Java Doc)
public Enumeration pathFromAncestorEnumeration(TreeNode ancestor)(Code)(Java Doc)
public Enumeration postorderEnumeration()(Code)(Java Doc)
public Enumeration preorderEnumeration()(Code)(Java Doc)
public void remove(int childIndex)(Code)(Java Doc)
public void remove(MutableTreeNode aChild)(Code)(Java Doc)
public void removeAllChildren()(Code)(Java Doc)
public void removeFromParent()(Code)(Java Doc)
public void setAllowsChildren(boolean allows)(Code)(Java Doc)
public void setParent(MutableTreeNode newParent)(Code)(Java Doc)
public void setUserObject(Object userObject)(Code)(Java Doc)
public String toString()(Code)(Java Doc)

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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