| // Copyright (C) 2020 The Android Open Source Project |
| // |
| // 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.googlesource.gerrit.modules.cache.chroniclemap; |
| |
| import com.google.common.cache.CacheLoader; |
| import com.google.common.cache.Weigher; |
| import com.google.gerrit.common.Nullable; |
| import com.google.gerrit.server.cache.PersistentCacheDef; |
| import com.google.gerrit.server.cache.serialize.CacheSerializer; |
| import com.google.gerrit.server.cache.serialize.StringCacheSerializer; |
| import com.google.inject.TypeLiteral; |
| import java.time.Duration; |
| import java.util.Optional; |
| import java.util.UUID; |
| |
| public class TestPersistentCacheDef implements PersistentCacheDef<String, String> { |
| |
| private static final Duration ONE_YEAR = Duration.ofDays(365); |
| |
| private static final Integer DEFAULT_DISK_LIMIT = 1024; |
| private static final Integer DEFAULT_MEMORY_LIMIT = 1024; |
| |
| private static final Duration DEFAULT_EXPIRY_AFTER_MEMORY_ACCESS = ONE_YEAR; |
| |
| private final String name; |
| private final String loadedValue; |
| private final Duration expireAfterWrite; |
| private final Duration refreshAfterWrite; |
| private final Duration expireFromMemoryAfterAccess; |
| private final Integer maximumWeight; |
| private final Integer diskLimit; |
| private final CacheSerializer<String> keySerializer; |
| private final CacheSerializer<String> valueSerializer; |
| |
| public TestPersistentCacheDef( |
| String name, |
| @Nullable String loadedValue, |
| @Nullable Duration expireAfterWrite, |
| @Nullable Duration refreshAfterWrite) { |
| |
| this.name = name; |
| this.loadedValue = loadedValue; |
| this.expireAfterWrite = expireAfterWrite; |
| this.refreshAfterWrite = refreshAfterWrite; |
| this.expireFromMemoryAfterAccess = DEFAULT_EXPIRY_AFTER_MEMORY_ACCESS; |
| this.diskLimit = DEFAULT_DISK_LIMIT; |
| this.maximumWeight = DEFAULT_MEMORY_LIMIT; |
| this.keySerializer = StringCacheSerializer.INSTANCE; |
| this.valueSerializer = StringCacheSerializer.INSTANCE; |
| } |
| |
| public TestPersistentCacheDef( |
| String name, @Nullable String loadedValue, Integer diskLimit, Integer memoryLimit) { |
| |
| this.name = name; |
| this.loadedValue = loadedValue; |
| this.expireAfterWrite = null; |
| this.refreshAfterWrite = null; |
| this.expireFromMemoryAfterAccess = DEFAULT_EXPIRY_AFTER_MEMORY_ACCESS; |
| this.diskLimit = diskLimit; |
| this.keySerializer = StringCacheSerializer.INSTANCE; |
| this.valueSerializer = StringCacheSerializer.INSTANCE; |
| this.maximumWeight = memoryLimit; |
| } |
| |
| public TestPersistentCacheDef( |
| String name, |
| @Nullable String loadedValue, |
| @Nullable CacheSerializer<String> keySerializer, |
| @Nullable CacheSerializer<String> valueSerializer, |
| boolean withLoader, |
| @Nullable Integer memoryLimit) { |
| this(name, loadedValue, keySerializer, valueSerializer, withLoader, null, memoryLimit); |
| } |
| |
| public TestPersistentCacheDef( |
| String name, |
| @Nullable String loadedValue, |
| @Nullable CacheSerializer<String> keySerializer, |
| @Nullable CacheSerializer<String> valueSerializer, |
| boolean withLoader, |
| @Nullable Duration maxAge, |
| @Nullable Integer memoryLimit) { |
| |
| this.name = name; |
| this.loadedValue = loadedValue; |
| this.expireAfterWrite = withLoader ? ONE_YEAR : null; |
| this.refreshAfterWrite = withLoader ? ONE_YEAR : null; |
| this.expireFromMemoryAfterAccess = maxAge == null ? DEFAULT_EXPIRY_AFTER_MEMORY_ACCESS : maxAge; |
| this.diskLimit = DEFAULT_DISK_LIMIT; |
| this.maximumWeight = memoryLimit == null ? DEFAULT_MEMORY_LIMIT : memoryLimit; |
| this.keySerializer = Optional.ofNullable(keySerializer).orElse(StringCacheSerializer.INSTANCE); |
| this.valueSerializer = |
| Optional.ofNullable(valueSerializer).orElse(StringCacheSerializer.INSTANCE); |
| } |
| |
| @Override |
| public long diskLimit() { |
| return diskLimit; |
| } |
| |
| @Override |
| public int version() { |
| return 0; |
| } |
| |
| @Override |
| public CacheSerializer<String> keySerializer() { |
| return keySerializer; |
| } |
| |
| @Override |
| public CacheSerializer<String> valueSerializer() { |
| return valueSerializer; |
| } |
| |
| @Override |
| public String name() { |
| return name; |
| } |
| |
| @Override |
| public String configKey() { |
| return name(); |
| } |
| |
| @Override |
| public TypeLiteral<String> keyType() { |
| return new TypeLiteral<String>() {}; |
| } |
| |
| @Override |
| public TypeLiteral<String> valueType() { |
| return new TypeLiteral<String>() {}; |
| } |
| |
| @Override |
| public long maximumWeight() { |
| return maximumWeight; |
| } |
| |
| @Override |
| public Duration expireAfterWrite() { |
| return expireAfterWrite; |
| } |
| |
| @Override |
| public Duration expireFromMemoryAfterAccess() { |
| return expireFromMemoryAfterAccess; |
| } |
| |
| @Override |
| public Duration refreshAfterWrite() { |
| return refreshAfterWrite; |
| } |
| |
| @Override |
| public Weigher<String, String> weigher() { |
| return (s, s2) -> 0; |
| } |
| |
| @Override |
| public CacheLoader<String, String> loader() { |
| return new CacheLoader<String, String>() { |
| @Override |
| public String load(String s) { |
| return loadedValue != null ? loadedValue : UUID.randomUUID().toString(); |
| } |
| }; |
| } |
| } |