| /* |
| * 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.iterate.DefaultParallelScanGrouper; |
| import org.apache.phoenix.iterate.ParallelScanGrouper; |
| import org.apache.phoenix.iterate.ResultIterator; |
| import org.apache.phoenix.compile.QueryPlan; |
| import org.apache.phoenix.compile.RowProjector; |
| import org.apache.phoenix.compile.StatementContext; |
| 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(); |
| } |
| } |