Class ExpressionTree

java.lang.Object
com.igormaznitsa.jcp.expression.ExpressionTree

public class ExpressionTree extends Object
The class describes an object contains an expression tree
  • Field Details

  • Constructor Details

  • Method Details

    • isEmpty

      public boolean isEmpty()
      Allows to check that the tree is empty
      Returns:
      true if the tree is empty one else false
    • addItem

      public void addItem(ExpressionItem item)
      Add new expression item into tree
      Parameters:
      item - an item to be added, must not be null
    • addTree

      public void addTree(ExpressionTree tree)
      Add whole tree as a tree element, also it sets the maximum priority to the new element
      Parameters:
      tree - a tree to be added as an item, must not be null
    • getRoot

      public ExpressionTreeElement getRoot()
      Get the root of the tree
      Returns:
      the root of the tree or EMPTY_SLOT if the tree is empty
    • postProcess

      public void postProcess()
      It can be called after the tree has been formed to optimize inside structures