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author | Dominik Schürmann <dominik@dominikschuermann.de> | 2015-04-10 15:16:13 +0200 |
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committer | Dominik Schürmann <dominik@dominikschuermann.de> | 2015-04-10 15:16:13 +0200 |
commit | 702a77ccd1357dce5bd212b9761bec5044ec1280 (patch) | |
tree | 1a4bcab4637d6c60e76fb5feb06799dba006544c /OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java | |
parent | a4674807173bd32dd4f954893684ee7c88598454 (diff) | |
download | open-keychain-702a77ccd1357dce5bd212b9761bec5044ec1280.tar.gz open-keychain-702a77ccd1357dce5bd212b9761bec5044ec1280.tar.bz2 open-keychain-702a77ccd1357dce5bd212b9761bec5044ec1280.zip |
Externalize Parcelable caching
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java')
-rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java | 70 |
1 files changed, 11 insertions, 59 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java index 55d5d974a..094afd4a5 100644 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java @@ -33,75 +33,33 @@ import org.sufficientlysecure.keychain.ui.util.Notify.Showable; import org.sufficientlysecure.keychain.ui.util.Notify.Style; import org.sufficientlysecure.keychain.util.IterableIterator; import org.sufficientlysecure.keychain.util.Log; +import org.sufficientlysecure.keychain.util.ParcelableCache; import java.util.ArrayList; import java.util.Arrays; import java.util.Iterator; import java.util.List; -import java.util.UUID; -import java.util.concurrent.ConcurrentHashMap; -/** Represent the result of an operation. +/** + * Represent the result of an operation. * * This class holds a result and the log of an operation. It can be subclassed * to include typed additional information specific to the operation. To keep * the class structure (somewhat) simple, this class contains an exhaustive * list (ie, enum) of all possible log types, which should in all cases be tied * to string resource ids. - * */ public abstract class OperationResult implements Parcelable { public static final String EXTRA_RESULT = "operation_result"; - public static final UUID NULL_UUID = new UUID(0,0); /** - * A HashMap of UUID:OperationLog which contains logs that we don't need - * to care about. This is used such that when we become parceled, we are - * well below the 1Mbit boundary that is specified. + * Instead of parceling the logs, they are cached to overcome the 1 MB boundary of + * Android's Binder. See ParcelableCache */ - private static ConcurrentHashMap<UUID, OperationLog> dehydratedLogs; + private static ParcelableCache<OperationLog> logCache; static { - // Static initializer for ConcurrentHashMap - dehydratedLogs = new ConcurrentHashMap<UUID,OperationLog>(); - } - - /** - * Dehydrate a log (such that it is available after deparcelization) - * - * Returns the NULL uuid (0) if you hand it null. - * @param log An OperationLog to dehydrate - * @return a UUID, the ticket for your dehydrated log - * - */ - private static UUID dehydrateLog(OperationLog log) { - if(log == null) { - return NULL_UUID; - } - else { - UUID ticket = UUID.randomUUID(); - dehydratedLogs.put(ticket, log); - return ticket; - } - } - - /*** - * Rehydrate a log after going through parcelization, invalidating its place in the - * dehydration pool. - * This is used such that when parcelized, the parcel is no larger than 1mbit. - * @param ticket A UUID ticket that identifies the log in question. - * @return An OperationLog. - */ - private static OperationLog rehydrateLog(UUID ticket) { - // UUID.equals isn't well documented; we use compareTo instead. - if( NULL_UUID.compareTo(ticket) == 0 ) { - return null; - } - else { - OperationLog log = dehydratedLogs.get(ticket); - dehydratedLogs.remove(ticket); - return log; - } + logCache = new ParcelableCache<>(); } /** Holds the overall result, the number specifying varying degrees of success: @@ -126,11 +84,8 @@ public abstract class OperationResult implements Parcelable { public OperationResult(Parcel source) { mResult = source.readInt(); - long mostSig = source.readLong(); - long leastSig = source.readLong(); - UUID mTicket = new UUID(mostSig, leastSig); - // fetch the dehydrated log out of storage (this removes it from the dehydration pool) - mLog = rehydrateLog(mTicket); + // get log out of cache based on UUID from source + mLog = logCache.readFromParcelAndGetFromCache(source); } public int getResult() { @@ -813,11 +768,8 @@ public abstract class OperationResult implements Parcelable { @Override public void writeToParcel(Parcel dest, int flags) { dest.writeInt(mResult); - // Get a ticket for our log. - UUID mTicket = dehydrateLog(mLog); - // And write out the UUID most and least significant bits. - dest.writeLong(mTicket.getMostSignificantBits()); - dest.writeLong(mTicket.getLeastSignificantBits()); + // cache log and write UUID to dest + logCache.cacheAndWriteToParcel(mLog, dest); } public static class OperationLog implements Iterable<LogEntryParcel> { |