| /* |
| * Copyright 2017 The Kythe Authors. All rights reserved. |
| * |
| * 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.google.devtools.kythe.analyzers.base; |
| |
| import com.google.devtools.kythe.proto.Storage.Entry; |
| import com.google.devtools.kythe.proto.Storage.VName; |
| import com.google.protobuf.ByteString; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| /** {@link FactEmitter} directly streaming to an {@link OutputValueStream}. */ |
| public class StreamFactEmitter implements FactEmitter { |
| private final OutputStream stream; |
| |
| public StreamFactEmitter(OutputStream stream) { |
| this.stream = stream; |
| } |
| |
| @Override |
| public void emit(VName source, String edgeKind, VName target, String factName, byte[] factValue) { |
| Entry.Builder entry = |
| Entry.newBuilder() |
| .setSource(source) |
| .setFactName(factName) |
| .setFactValue(ByteString.copyFrom(factValue)); |
| if (edgeKind != null) { |
| entry.setEdgeKind(edgeKind).setTarget(target); |
| } |
| |
| try { |
| entry.build().writeDelimitedTo(stream); |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } |
| } |
| |
| @Override |
| public void close() throws IOException { |
| stream.close(); |
| } |
| } |