public ASTNode toAST(Context ctx) throws LensException {
String hql = toHQL();
ParseDriver pd = new ParseDriver();
ASTNode tree;
try {
log.info("HQL:{}", hql);
tree = pd.parse(hql, ctx);
} catch (ParseException e) {
throw new LensException(e);
}
return ParseUtils.findRootNonNullToken(tree);
}
public ASTNode parseQuery(String tname) throws Exception {
return pd.parse(qMap.get(tname));
}
private ASTNode parse(String command) throws Exception {
return ParseUtils.findRootNonNullToken(parseDriver.parse(command));
}
public OpetatorTreeDemo() {
super(new GridLayout(1, 0));
DefaultMutableTreeNode top = null;
try {
ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
System.out.println(classLoader.getResource("hive-default.xml"));
System.out.println(classLoader.getResource("hive-site.xml"));
HiveConf hiveConf = new HiveConf(SessionState.class);
SessionState.start(new SessionState(hiveConf));
Context ctx = new Context(hiveConf);
ctx.setTryCount(10);
ctx.setCmd(CommondDemo.command3);
ctx.setHDFSCleanup(true);
ParseDriver pd = new ParseDriver();
ASTNode astTree = pd.parse(CommondDemo.command3, ctx);
astTree = ParseUtils.findRootNonNullToken(astTree);
SemanticAnalyzer sem = (SemanticAnalyzer) SemanticAnalyzerFactory.get(hiveConf, astTree);
sem.analyze(astTree, ctx);
sem.validate();
List<Operator<? extends OperatorDesc>> topOpList =
new ArrayList<Operator<? extends OperatorDesc>>(sem.topOps.values());
if (topOpList.size() == 1) {
top = createNodes(topOpList.get(0));
} else {
top = new DefaultMutableTreeNode("root");
for (Operator<? extends OperatorDesc> op : topOpList) {
top.add(createNodes(op));
}
}
} catch (Exception e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
// Create a tree that allows one selection at a time.
tree = new JTree(top);
tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
// Listen for when the selection changes.
tree.addTreeSelectionListener(this);
if (playWithLineStyle) {
System.out.println("line style = " + lineStyle);
tree.putClientProperty("JTree.lineStyle", lineStyle);
}
// Create the scroll pane and add the tree to it.
JScrollPane treeView = new JScrollPane(tree);
// Create the HTML viewing pane.
htmlPane = new JEditorPane();
htmlPane.setEditable(false);
initHelp();
JScrollPane htmlView = new JScrollPane(htmlPane);
// Add the scroll panes to a split pane.
JSplitPane splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT);
splitPane.setTopComponent(treeView);
splitPane.setBottomComponent(htmlView);
Dimension minimumSize = new Dimension(100, 50);
htmlView.setMinimumSize(minimumSize);
treeView.setMinimumSize(minimumSize);
splitPane.setDividerLocation(100);
splitPane.setPreferredSize(new Dimension(500, 300));
// Add the split pane to this panel.
add(splitPane);
}
