/*
 * 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;

import java.sql.SQLException;
import org.apache.phoenix.compile.ColumnResolver;

public class TableWildcardParseNode extends NamedParseNode {
  private final TableName tableName;
  private final boolean isRewrite;

  public static TableWildcardParseNode create(TableName tableName, boolean isRewrite) {
    return new TableWildcardParseNode(tableName, isRewrite);
  }

  TableWildcardParseNode(TableName tableName, boolean isRewrite) {
    super(tableName.toString());
    this.tableName = tableName;
    this.isRewrite = isRewrite;
  }

  public TableName getTableName() {
    return tableName;
  }

  public boolean isRewrite() {
    return isRewrite;
  }

  @Override
  public <T> T accept(ParseNodeVisitor<T> visitor) throws SQLException {
    return visitor.visit(this);
  }

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = super.hashCode();
    result = prime * result + (isRewrite ? 1231 : 1237);
    result = prime * result + ((tableName == null) ? 0 : tableName.hashCode());
    return result;
  }

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

  @Override
  public void toSQL(ColumnResolver resolver, StringBuilder buf) {
    toSQL(buf);
    buf.append(".*");
  }

  @Override
  public boolean isWildcardNode() {
    return true;
  }

  @Override
  public TableWildcardParseNode getRewritten() {
    return new TableWildcardParseNode(tableName, true);
  }
}
