/*
* Licensed 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 com.facebook.presto.sql.planner.assertions;
import com.facebook.presto.Session;
import com.facebook.presto.metadata.Metadata;
import com.facebook.presto.sql.planner.plan.ExchangeNode;
import com.facebook.presto.sql.planner.plan.PlanNode;
import static com.google.common.base.MoreObjects.toStringHelper;
import static com.google.common.base.Preconditions.checkState;
final class ExchangeMatcher
implements Matcher
{
private final ExchangeNode.Scope scope;
private final ExchangeNode.Type type;
public ExchangeMatcher(ExchangeNode.Scope scope, ExchangeNode.Type type)
{
this.scope = scope;
this.type = type;
}
@Override
public boolean shapeMatches(PlanNode node)
{
if (!(node instanceof ExchangeNode)) {
return false;
}
ExchangeNode exchangeNode = (ExchangeNode) node;
return exchangeNode.getScope() == scope && exchangeNode.getType() == type;
}
@Override
public MatchResult detailMatches(PlanNode node, Session session, Metadata metadata, SymbolAliases symbolAliases)
{
checkState(shapeMatches(node), "Plan testing framework error: shapeMatches returned false in detailMatches in %s", this.getClass().getName());
// TODO: properly implement this
return MatchResult.match();
}
@Override
public String toString()
{
return toStringHelper(this)
.add("scope", scope)
.add("type", type)
.toString();
}
}