/*
 * 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.execute;

import java.sql.ParameterMetaData;
import java.sql.SQLException;
import java.util.List;
import java.util.Set;
import org.apache.hadoop.hbase.client.Scan;
import org.apache.phoenix.compile.GroupByCompiler.GroupBy;
import org.apache.phoenix.compile.OrderByCompiler.OrderBy;
import org.apache.phoenix.compile.QueryPlan;
import org.apache.phoenix.compile.RowProjector;
import org.apache.phoenix.compile.StatementContext;
import org.apache.phoenix.iterate.DefaultParallelScanGrouper;
import org.apache.phoenix.iterate.ParallelScanGrouper;
import org.apache.phoenix.iterate.ResultIterator;
import org.apache.phoenix.jdbc.PhoenixStatement.Operation;
import org.apache.phoenix.optimize.Cost;
import org.apache.phoenix.parse.FilterableStatement;
import org.apache.phoenix.query.KeyRange;
import org.apache.phoenix.schema.TableRef;

public abstract class DelegateQueryPlan implements QueryPlan {
  protected final QueryPlan delegate;

  public DelegateQueryPlan(QueryPlan delegate) {
    this.delegate = delegate;
  }

  @Override
  public StatementContext getContext() {
    return delegate.getContext();
  }

  @Override
  public ParameterMetaData getParameterMetaData() {
    return delegate.getParameterMetaData();
  }

  @Override
  public long getEstimatedSize() {
    return delegate.getEstimatedSize();
  }

  @Override
  public Cost getCost() {
    return delegate.getCost();
  }

  @Override
  public TableRef getTableRef() {
    return delegate.getTableRef();
  }

  @Override
  public Set<TableRef> getSourceRefs() {
    return delegate.getSourceRefs();
  }

  @Override
  public RowProjector getProjector() {
    return delegate.getProjector();
  }

  @Override
  public Integer getLimit() {
    return delegate.getLimit();
  }

  @Override
  public OrderBy getOrderBy() {
    return delegate.getOrderBy();
  }

  @Override
  public GroupBy getGroupBy() {
    return delegate.getGroupBy();
  }

  @Override
  public List<KeyRange> getSplits() {
    return delegate.getSplits();
  }

  @Override
  public List<List<Scan>> getScans() {
    return delegate.getScans();
  }

  @Override
  public FilterableStatement getStatement() {
    return delegate.getStatement();
  }

  @Override
  public boolean isDegenerate() {
    return delegate.isDegenerate();
  }

  @Override
  public boolean isRowKeyOrdered() {
    return delegate.isRowKeyOrdered();
  }

  @Override
  public boolean useRoundRobinIterator() throws SQLException {
    return delegate.useRoundRobinIterator();
  }

  @Override
  public Operation getOperation() {
    return delegate.getOperation();
  }

  @Override
  public Integer getOffset() {
    return delegate.getOffset();
  }

  @Override
  public ResultIterator iterator() throws SQLException {
    return iterator(DefaultParallelScanGrouper.getInstance());
  }

  @Override
  public ResultIterator iterator(ParallelScanGrouper scanGrouper) throws SQLException {
    return iterator(scanGrouper, null);
  }

  public QueryPlan getDelegate() {
    return delegate;
  }

  @Override
  public Long getEstimatedRowsToScan() throws SQLException {
    return delegate.getEstimatedRowsToScan();
  }

  @Override
  public Long getEstimatedBytesToScan() throws SQLException {
    return delegate.getEstimatedBytesToScan();
  }

  @Override
  public Long getEstimateInfoTimestamp() throws SQLException {
    return delegate.getEstimateInfoTimestamp();
  }

  @Override
  public List<OrderBy> getOutputOrderBys() {
    return delegate.getOutputOrderBys();
  }

  @Override
  public boolean isApplicable() {
    return delegate.isApplicable();
  }
}
