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java/org/apache/el/parser/Node.java

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+/* Generated By:JJTree: Do not edit this line. Node.java */
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.el.parser;
+
+import javax.el.ELException;
+import javax.el.MethodInfo;
+import javax.el.ValueReference;
+
+import org.apache.el.lang.EvaluationContext;
+
+
+/* All AST nodes must implement this interface.  It provides basic
+   machinery for constructing the parent and child relationships
+   between nodes. */
+
+/**
+ * @author Jacob Hookom [jacob@hookom.net]
+ */
+@SuppressWarnings("all") // Ignore warnings in generated code
+public interface Node {
+
+  /** This method is called after the node has been made the current
+    node.  It indicates that child nodes can now be added to it. */
+  public void jjtOpen();
+
+  /** This method is called after all the child nodes have been
+    added. */
+  public void jjtClose();
+
+  /** This pair of methods are used to inform the node of its
+    parent. */
+  public void jjtSetParent(Node n);
+  public Node jjtGetParent();
+
+  /** This method tells the node to add its argument to the node's
+    list of children.  */
+  public void jjtAddChild(Node n, int i);
+
+  /** This method returns a child node.  The children are numbered
+     from zero, left to right. */
+  public Node jjtGetChild(int i);
+
+  /** Return the number of children the node has. */
+  public int jjtGetNumChildren();
+
+  public String getImage();
+
+  public Object getValue(EvaluationContext ctx) throws ELException;
+  public void setValue(EvaluationContext ctx, Object value) throws ELException;
+  public Class<?> getType(EvaluationContext ctx) throws ELException;
+  public boolean isReadOnly(EvaluationContext ctx) throws ELException;
+  public void accept(NodeVisitor visitor) throws Exception;
+  public MethodInfo getMethodInfo(EvaluationContext ctx, Class<?>[] paramTypes)
+          throws ELException;
+  public Object invoke(EvaluationContext ctx, Class<?>[] paramTypes,
+          Object[] paramValues) throws ELException;
+
+  /**
+   * @since EL 2.2
+   */
+  public ValueReference getValueReference(EvaluationContext ctx);
+
+  /**
+   * @since EL 2.2
+   */
+  public boolean isParametersProvided();
+}