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package jdk.nashorn.api.tree;

A tree node for an 'if' statement.
For example:
  if ( condition )
     thenStatement
  if ( condition )
      thenStatement
  else
      elseStatement

Since:
9/**
 * A tree node for an 'if' statement.
 *
 * For example:
 * <pre>
 *   if ( <em>condition</em> )
 *      <em>thenStatement</em>
 *
 *   if ( <em>condition</em> )
 *       <em>thenStatement</em>
 *   else
 *       <em>elseStatement</em>
 * </pre>
 *
 * @since 9
 */
public interface IfTree extends StatementTree {
    
Returns the condition expression of this 'if' statement.
Returns:
the condition expression/**
     * Returns the condition expression of this 'if' statement.
     *
     * @return the condition expression
     */
    ExpressionTree getCondition();

    
Returns the 'then' statement of this 'if' statement.
Returns:
the 'then' statement/**
     * Returns the 'then' statement of this 'if' statement.
     *
     * @return the 'then' statement
     */
    StatementTree getThenStatement();

    
Returns the then statement of this 'if' statement.
null if this if statement has no else branch.
Returns:
the 'else' statement/**
     * Returns the then statement of this 'if' statement.
     * null if this if statement has no else branch.
     *
     * @return the 'else' statement
     */
    StatementTree getElseStatement();
}