/*
 * 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.schema;

import org.apache.phoenix.query.QueryConstants;
import org.apache.phoenix.util.SchemaUtil;

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

public class PTableKey {
  private final PName tenantId;
  private final String name;
  private final String schemaName;
  private final String tableName;

  public PTableKey(PName tenantId, String name) {
    Preconditions.checkNotNull(name);
    this.tenantId = tenantId;
    if (name.indexOf(QueryConstants.NAMESPACE_SEPARATOR) != -1) {
      this.name = name.replace(QueryConstants.NAMESPACE_SEPARATOR, QueryConstants.NAME_SEPARATOR);
    } else {
      this.name = name;
    }
    this.schemaName = SchemaUtil.getSchemaNameFromFullName(this.name);
    this.tableName = SchemaUtil.getTableNameFromFullName(this.name);
  }

  public PName getTenantId() {
    return tenantId;
  }

  public String getName() {
    return name;
  }

  public String getSchemaName() {
    return schemaName;
  }

  public String getTableName() {
    return tableName;
  }

  @Override
  public String toString() {
    return name + ((tenantId == null || tenantId.getBytes().length == 0)
      ? ""
      : " for " + tenantId.getString());
  }

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result
      + ((tenantId == null || tenantId.getBytes().length == 0) ? 0 : tenantId.hashCode());
    result = prime * result + name.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;
    PTableKey other = (PTableKey) obj;
    if (!name.equals(other.name)) return false;
    if (tenantId == null) {
      if (other.tenantId != null) return false;
    } else if (!tenantId.equals(other.tenantId)) return false;
    return true;
  }

}
