/*
 * 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.phoenix.parse;

/**
 * Abstract node representing named nodes such as binds and column expressions in SQL
 * @since 0.1
 */
public abstract class NamedParseNode extends TerminalParseNode {
  private final NamedNode namedNode;

  NamedParseNode(NamedParseNode node) {
    this.namedNode = node.namedNode;
  }

  NamedParseNode(String name) {
    this.namedNode = new NamedNode(name);
  }

  NamedParseNode(String name, boolean isCaseSensitive) {
    this.namedNode = new NamedNode(name, isCaseSensitive);
  }

  public String getName() {
    return namedNode.getName();
  }

  public boolean isCaseSensitive() {
    return namedNode.isCaseSensitive();
  }

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((namedNode == null) ? 0 : namedNode.hashCode());
    return result;
  }

  @Override
  public boolean equals(Object obj) {
    if (this == obj) return true;
    if (obj == null) return false;
    if (getClass() != obj.getClass()) return false;
    NamedParseNode other = (NamedParseNode) obj;
    if (namedNode == null) {
      if (other.namedNode != null) return false;
    } else if (!namedNode.equals(other.namedNode)) return false;
    return true;
  }

  public void toSQL(StringBuilder buf) {
    if (isCaseSensitive()) {
      buf.append('"');
      buf.append(getName());
      buf.append('"');
    } else {
      buf.append(getName());
    }
  }
}
