/*
* Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership. Crate 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.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial agreement.
*/
package io.crate.planner.projection;
import com.carrotsearch.hppc.IntSet;
import io.crate.analyze.symbol.Symbol;
import io.crate.collections.Lists2;
import io.crate.metadata.TableIdent;
import io.crate.planner.node.fetch.FetchSource;
import org.elasticsearch.common.io.stream.StreamOutput;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import java.util.function.Function;
public class FetchProjection extends Projection {
private final int collectPhaseId;
private final int fetchSize;
private final Map<TableIdent, FetchSource> fetchSources;
private final List<Symbol> outputSymbols;
private final Map<String, IntSet> nodeReaders;
private final TreeMap<Integer, String> readerIndices;
private final Map<String, TableIdent> indicesToIdents;
public FetchProjection(int collectPhaseId,
int fetchSize,
Map<TableIdent, FetchSource> fetchSources,
List<Symbol> outputSymbols,
Map<String, IntSet> nodeReaders,
TreeMap<Integer, String> readerIndices,
Map<String, TableIdent> indicesToIdents) {
this.collectPhaseId = collectPhaseId;
this.fetchSize = fetchSize;
this.fetchSources = fetchSources;
this.outputSymbols = outputSymbols;
this.nodeReaders = nodeReaders;
this.readerIndices = readerIndices;
this.indicesToIdents = indicesToIdents;
}
public int collectPhaseId() {
return collectPhaseId;
}
public int getFetchSize() {
return fetchSize;
}
public Map<TableIdent, FetchSource> fetchSources() {
return fetchSources;
}
public List<Symbol> outputSymbols() {
return outputSymbols;
}
public Map<String, IntSet> nodeReaders() {
return nodeReaders;
}
public TreeMap<Integer, String> readerIndices() {
return readerIndices;
}
public Map<String, TableIdent> indicesToIdents() {
return indicesToIdents;
}
@Override
public void replaceSymbols(Function<Symbol, Symbol> replaceFunction) {
Lists2.replaceItems(outputSymbols, replaceFunction);
}
@Override
public ProjectionType projectionType() {
return ProjectionType.FETCH;
}
@Override
public <C, R> R accept(ProjectionVisitor<C, R> visitor, C context) {
return visitor.visitFetchProjection(this, context);
}
@Override
public List<? extends Symbol> outputs() {
return outputSymbols;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
FetchProjection that = (FetchProjection) o;
return collectPhaseId == that.collectPhaseId;
}
@Override
public int hashCode() {
return collectPhaseId;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
throw new UnsupportedOperationException("writeTo is not supported for " +
FetchProjection.class.getSimpleName());
}
}