[infinispan-issues] [JBoss JIRA] (ISPN-1777) Add LoadersConfigurationBuilder.clearCacheLoaders() method

[Paul Ferraro (JIRA)]

Paul Ferraro created ISPN-1777:
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             Summary: Add LoadersConfigurationBuilder.clearCacheLoaders() method
                 Key: ISPN-1777
                 URL: https://issues.jboss.org/browse/ISPN-1777
             Project: Infinispan
          Issue Type: Feature Request
          Components: Configuration
    Affects Versions: 5.1.0.CR4
            Reporter: Paul Ferraro
            Assignee: Manik Surtani


The use case for this is defining a cache for web session replication for a single application.  The cache needs a unique file cache store location.  The only way to modify the location is by copy each sub-builder except the loaders builder, and copying the loader properties manually.  The ability to clear cache loaders of a builder would simplify this greatly.
e.g.
I could replace:

        ConfigurationBuilder builder = new ConfigurationBuilder().name(config.name());
        // Copy everything except loaders
        builder.clustering().read(config.clustering())
                .customInterceptors().read(config.customInterceptors())
                .dataContainer().read(config.dataContainer())
                .deadlockDetection().read(config.deadlockDetection())
                .eviction().read(config.eviction())
                .expiration().read(config.expiration())
                .indexing().read(config.indexing())
                .invocationBatching().read(config.invocationBatching())
                .jmxStatistics().read(config.jmxStatistics())
                .locking().read(config.locking())
                .storeAsBinary().enable().storeKeysAsBinary(false).storeValuesAsBinary(true)
                .transaction().read(config.transaction())
                .versioning().read(config.versioning())
        ;
        if (!config.loaders().cacheLoaders().isEmpty()) {
            builder.loaders().clearCacheLoaders();
            // Our cache needs a unique passivation location
            for (AbstractLoaderConfiguration loader: config.loaders().cacheLoaders()) {
                this.addCacheLoader(builder.loaders(), loader, manager)
                    .async().read(loader.async())
                    .singletonStore().read(loader.singletonStore())
                ;
            }
        }

with:

        ConfigurationBuilder builder = new ConfigurationBuilder().read(config);
        builder.loaders().clearCacheLoaders();
        // Our cache needs a unique passivation location
        for (AbstractLoaderConfiguration loader: config.loaders().cacheLoaders()) {
            this.addCacheLoader(builder.loaders(), loader, manager)
                .async().read(loader.async())
                .singletonStore().read(loader.singletonStore())
            ;
        }


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