/*
 * 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.util.Objects;
import org.apache.phoenix.compile.ColumnResolver;
import org.apache.phoenix.util.SchemaUtil;

import org.apache.phoenix.thirdparty.com.google.common.base.Preconditions;

/**
 * ParseNode implementation for SHOW CREATE TABLE statements.
 */
public class ShowCreateTableStatement extends ShowCreateTable {

  private TableName tableName;

  public ShowCreateTableStatement(TableName tn) {
    tableName = tn;
  }

  public TableName getTableName() {
    return tableName;
  }

  public void toSQL(ColumnResolver resolver, StringBuilder buf) {
    Preconditions.checkNotNull(buf);
    buf.append("SHOW CREATE TABLE ");

    buf.append(SchemaUtil.getEscapedTableName(tableName.getSchemaName(), tableName.getTableName()));
  }

  @Override
  public String toString() {
    StringBuilder buf = new StringBuilder();
    toSQL(null, buf);
    return buf.toString();
  }

  @Override
  public boolean equals(Object other) {
    if (!(other instanceof ShowCreateTableStatement)) return false;
    ShowCreateTableStatement stmt = (ShowCreateTableStatement) other;
    return Objects.equals(tableName, stmt.getTableName());
  }

  @Override
  public int hashCode() {
    return Objects.hash(tableName);
  }
}
