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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<h1 title="Package" class="title">Package&nbsp;org.janusgraph.diskstorage</h1>
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<th class="colFirst" scope="col">Interface</th>
<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/BaseTransaction.html" title="interface in org.janusgraph.diskstorage">BaseTransaction</a></td>
<td class="colLast">
<div class="block">Represents a transaction for a particular storage backend.</div>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/BaseTransactionConfig.html" title="interface in org.janusgraph.diskstorage">BaseTransactionConfig</a></td>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/BaseTransactionConfigurable.html" title="interface in org.janusgraph.diskstorage">BaseTransactionConfigurable</a></td>
<td class="colLast">
<div class="block">An extension to the <a href="../../../org/janusgraph/diskstorage/BaseTransaction.html" title="interface in org.janusgraph.diskstorage"><code>BaseTransaction</code></a> interface that exposes a
 configuration object of type <a href="../../../org/janusgraph/diskstorage/BaseTransactionConfig.html" title="interface in org.janusgraph.diskstorage"><code>BaseTransactionConfig</code></a> for this particular transaction.</div>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/Entry.html" title="interface in org.janusgraph.diskstorage">Entry</a></td>
<td class="colLast">
<div class="block">An entry is the primitive persistence unit used in the graph database storage backend.</div>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/EntryList.html" title="interface in org.janusgraph.diskstorage">EntryList</a></td>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/IDAuthority.html" title="interface in org.janusgraph.diskstorage">IDAuthority</a></td>
<td class="colLast">
<div class="block">Handles the unique allocation of ids.</div>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/IDBlock.html" title="interface in org.janusgraph.diskstorage">IDBlock</a></td>
<td class="colLast">
<div class="block">Represents a block of ids.</div>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/LoggableTransaction.html" title="interface in org.janusgraph.diskstorage">LoggableTransaction</a></td>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/MetaAnnotatable.html" title="interface in org.janusgraph.diskstorage">MetaAnnotatable</a></td>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/MetaAnnotated.html" title="interface in org.janusgraph.diskstorage">MetaAnnotated</a></td>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/ReadBuffer.html" title="interface in org.janusgraph.diskstorage">ReadBuffer</a></td>
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<div class="block">A Buffer that allows sequential reads and static reads.</div>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/ScanBuffer.html" title="interface in org.janusgraph.diskstorage">ScanBuffer</a></td>
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<div class="block">A Buffer that allows sequential reads.</div>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/StaticBuffer.html" title="interface in org.janusgraph.diskstorage">StaticBuffer</a></td>
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<div class="block">A Buffer that only allows static access.</div>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/StaticBuffer.Factory.html" title="interface in org.janusgraph.diskstorage">StaticBuffer.Factory</a>&lt;T&gt;</td>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/StoreMetaData.html" title="interface in org.janusgraph.diskstorage">StoreMetaData</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">Store-specific (Column-family-specific) options passed between
 JanusGraph core and its underlying KeyColumnValueStore implementation.</div>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/WriteBuffer.html" title="interface in org.janusgraph.diskstorage">WriteBuffer</a></td>
<td class="colLast">
<div class="block">A Buffer that allows simple writes and returns the result as a <a href="../../../org/janusgraph/diskstorage/StaticBuffer.html" title="interface in org.janusgraph.diskstorage"><code>StaticBuffer</code></a>.</div>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/Backend.html" title="class in org.janusgraph.diskstorage">Backend</a></td>
<td class="colLast">
<div class="block">Orchestrates and configures all backend systems:
 The primary backend storage (<a href="../../../org/janusgraph/diskstorage/keycolumnvalue/KeyColumnValueStore.html" title="interface in org.janusgraph.diskstorage.keycolumnvalue"><code>KeyColumnValueStore</code></a>) and all external indexing providers (<a href="../../../org/janusgraph/diskstorage/indexing/IndexProvider.html" title="interface in org.janusgraph.diskstorage.indexing"><code>IndexProvider</code></a>).</div>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/BackendTransaction.html" title="class in org.janusgraph.diskstorage">BackendTransaction</a></td>
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<div class="block">Bundles all storage/index transactions and provides a proxy for some of their
 methods for convenience.</div>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/EntryList.EmptyList.html" title="class in org.janusgraph.diskstorage">EntryList.EmptyList</a></td>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/EntryMetaData.Map.html" title="class in org.janusgraph.diskstorage">EntryMetaData.Map</a></td>
<td class="colLast">
<div class="block">EntryMetaData.Map extends EnumMap to add validation prior to invoking the superclass EnumMap::put(k,v) method.</div>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/Mutation.html" title="class in org.janusgraph.diskstorage">Mutation</a>&lt;E,K&gt;</td>
<td class="colLast">
<div class="block">Container for collection mutations against a data store.</div>
</td>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/StoreMetaData.Container.html" title="class in org.janusgraph.diskstorage">StoreMetaData.Container</a></td>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/EntryMetaData.html" title="enum in org.janusgraph.diskstorage">EntryMetaData</a></td>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/StandardIndexProvider.html" title="enum in org.janusgraph.diskstorage">StandardIndexProvider</a></td>
<td class="colLast">
<div class="block">This enum is only intended for use by JanusGraph internals.</div>
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<tr class="altColor">
<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/StandardStoreManager.html" title="enum in org.janusgraph.diskstorage">StandardStoreManager</a></td>
<td class="colLast">
<div class="block">This enum is only intended for use by JanusGraph internals.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/StoreMetaData.TTLImpl.html" title="enum in org.janusgraph.diskstorage">StoreMetaData.TTLImpl</a></td>
<td class="colLast">
<div class="block">Time-to-live for all data written to the store.</div>
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<th class="colFirst" scope="col">Exception</th>
<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/BackendException.html" title="class in org.janusgraph.diskstorage">BackendException</a></td>
<td class="colLast">
<div class="block">Exception thrown in the storage layer of the graph database.</div>
</td>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/PermanentBackendException.html" title="class in org.janusgraph.diskstorage">PermanentBackendException</a></td>
<td class="colLast">
<div class="block">This exception signifies a permanent exception in a JanusGraph storage backend,
 that is, an exception that is due to a permanent failure while persisting
 data.</div>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/ResourceUnavailableException.html" title="class in org.janusgraph.diskstorage">ResourceUnavailableException</a></td>
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<div class="block">This exception is thrown if a resource is being accessed that is unavailable.</div>
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<td class="colFirst"><a href="../../../org/janusgraph/diskstorage/TemporaryBackendException.html" title="class in org.janusgraph.diskstorage">TemporaryBackendException</a></td>
<td class="colLast">
<div class="block">This exception signifies a (potentially) temporary exception in a JanusGraph storage backend,
 that is, an exception that is due to a temporary unavailability or other exception that
 is not permanent in nature.</div>
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