Examples of org.apache.jackrabbit.core.state.ISMLocking$ReadLock

Package org.apache.jackrabbit.core.state

Examples of org.apache.jackrabbit.core.state.ISMLocking$ReadLock

org.apache.jackrabbit.core.state.ISMLocking
ISMLocking defines an interface for a locking strategy of an {@link ItemStateManager}.
An implementation of ISMLocking must meet the following requirements:
- While a read lock is held for a given item with id I an implementation must ensure that no write lock is issued for a change log that contains a reference to an item with id I.
- While a write lock is held for a given change log C an implementation must ensure that no read lock is issued for an item that is contained in C, unless the current thread is the owner of the write lock!
- While a write lock is held for a given change log C an implementation must ensure that no write lock is issued for a change log C' that intersects with C. That is both change logs contain a reference to the same item. Please note that an implementation is free to block requests entirely for additional write lock while a write lock is active. It is not a requirement to support concurrent write locks.
- While a write lock is held for a change log C, the holder of the write lock (and any related threads) needs to be able to acquire a read lock even if other writers are waiting for the lock. This behaviour must continue also when the write lock has been downgraded. Note that it is not necessary for a holder of a read lock to be able to upgrade to a write lock.

                    new File(config.getHomeDir()), fs,
                    config.getPersistenceManagerConfig());


            doVersionRecovery();


            ISMLocking ismLocking = config.getISMLocking();


            // create item state manager
            try {
                itemStateMgr =
                    createItemStateManager(persistMgr, true, ismLocking);

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                    new File(config.getHomeDir()), fs,
                    config.getPersistenceManagerConfig());


            doVersionRecovery();


            ISMLocking ismLocking = config.getISMLocking();


            // create item state manager
            try {
                itemStateMgr =
                    createItemStateManager(persistMgr, true, ismLocking);

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        FileSystem fs = vConfig.getFileSystem();
        PersistenceManager pm = createPersistenceManager(
                vConfig.getHomeDir(), fs,
                vConfig.getPersistenceManagerConfig());


        ISMLocking ismLocking = vConfig.getISMLocking();


        return new InternalVersionManagerImpl(
                pm, fs, context.getNodeTypeRegistry(), delegatingDispatcher,
                SYSTEM_ROOT_NODE_ID,
                VERSION_STORAGE_NODE_ID,

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                rootNodeId,
                nsReg,
                ntReg,
                dataStore);


        ISMLocking ismLocking = vConfig.getISMLocking();


        return new VersionManagerImpl(pm, fs, ntReg, delegatingDispatcher,
                VERSION_STORAGE_NODE_ID, SYSTEM_ROOT_NODE_ID, cacheFactory,
                ismLocking);
    }

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                    rootNodeId,
                    nsReg,
                    ntReg,
                    dataStore);


            ISMLocking ismLocking = config.getISMLocking();


            // create item state manager
            try {
                itemStateMgr = createItemStateManager(persistMgr, rootNodeId,
                        ntReg, true, cacheFactory, ismLocking);

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        FileSystem fs = vConfig.getFileSystem();
        PersistenceManager pm = createPersistenceManager(
                vConfig.getHomeDir(), fs,
                vConfig.getPersistenceManagerConfig());


        ISMLocking ismLocking = vConfig.getISMLocking();


        return new InternalVersionManagerImpl(
                pm, fs, context.getNodeTypeRegistry(), delegatingDispatcher,
                SYSTEM_ROOT_NODE_ID,
                VERSION_STORAGE_NODE_ID,

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                        persistMgr, context.getInternalVersionManager());
                checker.check(ROOT_NODE_ID, true);
                checker.fix();
            }


            ISMLocking ismLocking = config.getISMLocking();


            // create item state manager
            try {
                itemStateMgr =
                    createItemStateManager(persistMgr, true, ismLocking);

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