// Copyright 2017 JanusGraph Authors
//
// 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 org.janusgraph.core;
import org.apache.tinkerpop.gremlin.process.computer.GraphComputer;
/**
* @author Matthias Broecheler (me@matthiasb.com)
*/
public interface JanusGraphComputer extends GraphComputer {
public enum ResultMode {
NONE, PERSIST, LOCALTX;
public ResultGraph toResultGraph() {
switch(this) {
case NONE: return ResultGraph.ORIGINAL;
case PERSIST: return ResultGraph.ORIGINAL;
case LOCALTX: return ResultGraph.NEW;
default: throw new AssertionError("Unrecognized option: " + this);
}
}
public Persist toPersist() {
switch(this) {
case NONE: return Persist.NOTHING;
case PERSIST: return Persist.VERTEX_PROPERTIES;
case LOCALTX: return Persist.VERTEX_PROPERTIES;
default: throw new AssertionError("Unrecognized option: " + this);
}
}
}
@Override
public JanusGraphComputer workers(int threads);
public default JanusGraphComputer resultMode(ResultMode mode) {
result(mode.toResultGraph());
persist(mode.toPersist());
return this;
}
}