11d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/* 21d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Copyright (C) 2011 The Guava Authors 31d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 41d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 51d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * in compliance with the License. You may obtain a copy of the License at 61d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 71d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * http://www.apache.org/licenses/LICENSE-2.0 81d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 91d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Unless required by applicable law or agreed to in writing, software distributed under the License 101d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 111d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * or implied. See the License for the specific language governing permissions and limitations under 121d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * the License. 131d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 141d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 151d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpackage com.google.common.cache; 161d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 171d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.base.Function; 181d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.base.Objects; 191d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.base.Optional; 201d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.base.Preconditions; 211d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.cache.LocalCache.Strength; 221d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.Iterables; 231d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.Lists; 241d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.Sets; 251d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 261d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.List; 271d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.Set; 281d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.concurrent.TimeUnit; 291d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 301d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport javax.annotation.Nullable; 311d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 321d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/** 331d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Helper class for creating {@link CacheBuilder} instances with all combinations of several sets of 341d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * parameters. 351d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 361d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * @author mike nonemacher 371d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 381d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertclass CacheBuilderFactory { 391d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert // Default values contain only 'null', which means don't call the CacheBuilder method (just give 401d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert // the CacheBuilder default). 411d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private Set<Integer> concurrencyLevels = Sets.newHashSet((Integer) null); 421d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private Set<Integer> initialCapacities = Sets.newHashSet((Integer) null); 431d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private Set<Integer> maximumSizes = Sets.newHashSet((Integer) null); 441d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private Set<DurationSpec> expireAfterWrites = Sets.newHashSet((DurationSpec) null); 451d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private Set<DurationSpec> expireAfterAccesses = Sets.newHashSet((DurationSpec) null); 461d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private Set<DurationSpec> refreshes = Sets.newHashSet((DurationSpec) null); 471d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private Set<Strength> keyStrengths = Sets.newHashSet((Strength) null); 481d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private Set<Strength> valueStrengths = Sets.newHashSet((Strength) null); 491d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 501d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert CacheBuilderFactory withConcurrencyLevels(Set<Integer> concurrencyLevels) { 511d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert this.concurrencyLevels = Sets.newLinkedHashSet(concurrencyLevels); 521d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return this; 531d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 541d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 551d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert CacheBuilderFactory withInitialCapacities(Set<Integer> initialCapacities) { 561d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert this.initialCapacities = Sets.newLinkedHashSet(initialCapacities); 571d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return this; 581d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 591d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 601d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert CacheBuilderFactory withMaximumSizes(Set<Integer> maximumSizes) { 611d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert this.maximumSizes = Sets.newLinkedHashSet(maximumSizes); 621d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return this; 631d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 641d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 651d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert CacheBuilderFactory withExpireAfterWrites(Set<DurationSpec> durations) { 661d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert this.expireAfterWrites = Sets.newLinkedHashSet(durations); 671d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return this; 681d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 691d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 701d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert CacheBuilderFactory withExpireAfterAccesses(Set<DurationSpec> durations) { 711d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert this.expireAfterAccesses = Sets.newLinkedHashSet(durations); 721d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return this; 731d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 741d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 751d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert CacheBuilderFactory withRefreshes(Set<DurationSpec> durations) { 761d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert this.refreshes = Sets.newLinkedHashSet(durations); 771d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return this; 781d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 791d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 801d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert CacheBuilderFactory withKeyStrengths(Set<Strength> keyStrengths) { 811d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert this.keyStrengths = Sets.newLinkedHashSet(keyStrengths); 821d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Preconditions.checkArgument(!this.keyStrengths.contains(Strength.SOFT)); 831d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return this; 841d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 851d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 861d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert CacheBuilderFactory withValueStrengths(Set<Strength> valueStrengths) { 871d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert this.valueStrengths = Sets.newLinkedHashSet(valueStrengths); 881d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return this; 891d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 901d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 911d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Iterable<CacheBuilder<Object, Object>> buildAllPermutations() { 921d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @SuppressWarnings("unchecked") 931d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Iterable<List<Object>> combinations = buildCartesianProduct(concurrencyLevels, 941d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert initialCapacities, maximumSizes, expireAfterWrites, expireAfterAccesses, refreshes, 951d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert keyStrengths, valueStrengths); 961d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return Iterables.transform(combinations, 971d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert new Function<List<Object>, CacheBuilder<Object, Object>>() { 981d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override public CacheBuilder<Object, Object> apply(List<Object> combination) { 991d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return createCacheBuilder( 1001d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert (Integer) combination.get(0), 1011d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert (Integer) combination.get(1), 1021d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert (Integer) combination.get(2), 1031d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert (DurationSpec) combination.get(3), 1041d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert (DurationSpec) combination.get(4), 1051d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert (DurationSpec) combination.get(5), 1061d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert (Strength) combination.get(6), 1071d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert (Strength) combination.get(7)); 1081d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1091d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert }); 1101d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1111d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1121d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private static final Function<Object, Optional<?>> NULLABLE_TO_OPTIONAL = 1131d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert new Function<Object, Optional<?>>() { 1141d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override public Optional<?> apply(@Nullable Object obj) { 1151d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return Optional.fromNullable(obj); 1161d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1171d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert }; 1181d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1191d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private static final Function<Optional<?>, Object> OPTIONAL_TO_NULLABLE = 1201d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert new Function<Optional<?>, Object>() { 1211d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override public Object apply(Optional<?> optional) { 1221d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return optional.orNull(); 1231d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1241d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert }; 1251d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1261d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert /** 1271d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Sets.cartesianProduct doesn't allow sets that contain null, but we want null to mean 1281d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * "don't call the associated CacheBuilder method" - that is, get the default CacheBuilder 1291d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * behavior. This method wraps the elements in the input sets (which may contain null) as 1301d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Optionals, calls Sets.cartesianProduct with those, then transforms the result to unwrap 1311d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * the Optionals. 1321d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 1331d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private Iterable<List<Object>> buildCartesianProduct(Set<?>... sets) { 1341d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert List<Set<Optional<?>>> optionalSets = Lists.newArrayListWithExpectedSize(sets.length); 1351d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert for (Set<?> set : sets) { 1361d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Set<Optional<?>> optionalSet = 1371d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Sets.newLinkedHashSet(Iterables.transform(set, NULLABLE_TO_OPTIONAL)); 1381d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert optionalSets.add(optionalSet); 1391d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1401d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Set<List<Optional<?>>> cartesianProduct = Sets.cartesianProduct(optionalSets); 1411d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return Iterables.transform(cartesianProduct, 1421d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert new Function<List<Optional<?>>, List<Object>>() { 1431d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override public List<Object> apply(List<Optional<?>> objs) { 1441d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return Lists.transform(objs, OPTIONAL_TO_NULLABLE); 1451d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1461d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert }); 1471d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1481d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1491d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private CacheBuilder<Object, Object> createCacheBuilder( 1501d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Integer concurrencyLevel, Integer initialCapacity, Integer maximumSize, 1511d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert DurationSpec expireAfterWrite, DurationSpec expireAfterAccess, DurationSpec refresh, 1521d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Strength keyStrength, Strength valueStrength) { 1531d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1541d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder(); 1551d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert if (concurrencyLevel != null) { 1561d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert builder.concurrencyLevel(concurrencyLevel); 1571d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1581d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert if (initialCapacity != null) { 1591d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert builder.initialCapacity(initialCapacity); 1601d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1611d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert if (maximumSize != null) { 1621d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert builder.maximumSize(maximumSize); 1631d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1641d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert if (expireAfterWrite != null) { 1651d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert builder.expireAfterWrite(expireAfterWrite.duration, expireAfterWrite.unit); 1661d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1671d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert if (expireAfterAccess != null) { 1681d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert builder.expireAfterAccess(expireAfterAccess.duration, expireAfterAccess.unit); 1691d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1701d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert if (refresh != null) { 1711d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert builder.refreshAfterWrite(refresh.duration, refresh.unit); 1721d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1731d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert if (keyStrength != null) { 1741d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert builder.setKeyStrength(keyStrength); 1751d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1761d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert if (valueStrength != null) { 1771d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert builder.setValueStrength(valueStrength); 1781d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1791d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return builder; 1801d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1811d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1821d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert static class DurationSpec { 1831d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private final long duration; 1841d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private final TimeUnit unit; 1851d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1861d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private DurationSpec(long duration, TimeUnit unit) { 1871d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert this.duration = duration; 1881d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert this.unit = unit; 1891d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1901d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1911d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public static DurationSpec of(long duration, TimeUnit unit) { 1921d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return new DurationSpec(duration, unit); 1931d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1941d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1951d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override 1961d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public int hashCode() { 1971d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return Objects.hashCode(duration, unit); 1981d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1991d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 2001d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override 2011d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public boolean equals(Object o) { 2021d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert if (o instanceof DurationSpec) { 2031d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert DurationSpec that = (DurationSpec) o; 2041d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return unit.toNanos(duration) == that.unit.toNanos(that.duration); 2051d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 2061d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return false; 2071d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 2081d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 2091d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override 2101d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public String toString() { 2111d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return Objects.toStringHelper(this) 2121d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert .add("duration", duration) 2131d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert .add("unit", unit) 2141d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert .toString(); 2151d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 2161d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 2171d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert} 218