1 /* 2 * Copyright (C) 2012 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.caliper.model; 18 19 import com.google.common.hash.Funnel; 20 import com.google.common.hash.PrimitiveSink; 21 22 import java.util.Map; 23 import java.util.Map.Entry; 24 25 /** 26 * A simple funnel that inserts string map entries into a funnel in iteration order. 27 */ 28 enum StringMapFunnel implements Funnel<Map<String, String>> { 29 INSTANCE; 30 31 @Override funnel(Map<String, String> from, PrimitiveSink into)32 public void funnel(Map<String, String> from, PrimitiveSink into) { 33 for (Entry<String, String> entry : from.entrySet()) { 34 into.putUnencodedChars(entry.getKey()) 35 .putByte((byte) -1) // separate key and value 36 .putUnencodedChars(entry.getValue()); 37 } 38 } 39 } 40