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<h1 title="Package" class="title">Package&nbsp;com.lightstreamer.interfaces.data</h1>
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<caption><span>Interface Summary</span><span class="tabEnd">&nbsp;</span></caption>
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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="../../../../com/lightstreamer/interfaces/data/DataProvider.html" title="interface in com.lightstreamer.interfaces.data">DataProvider</a></td>
<td class="colLast">
<div class="block">Provides an interface to be implemented by a Data Adapter in order
 to attach a Data Provider to Lightstreamer Kernel.</div>
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<td class="colFirst"><a href="../../../../com/lightstreamer/interfaces/data/IndexedItemEvent.html" title="interface in com.lightstreamer.interfaces.data">IndexedItemEvent</a></td>
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<div class="block">Provides to the Data Adapter an alternative interface for creating
 ItemEvents in order to send updates to Lightstreamer Kernel.</div>
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<td class="colFirst"><a href="../../../../com/lightstreamer/interfaces/data/ItemEvent.html" title="interface in com.lightstreamer.interfaces.data">ItemEvent</a></td>
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<div class="block">Provides to the Data Adapter a base interface for creating ItemEvents
 in order to send updates to Lightstreamer Kernel.</div>
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<td class="colFirst"><a href="../../../../com/lightstreamer/interfaces/data/ItemEventListener.html" title="interface in com.lightstreamer.interfaces.data">ItemEventListener</a></td>
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<div class="block">Used by Lightstreamer Kernel to receive the ItemEvents and any asynchronous
 severe error notification from the Data Adapter.</div>
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<td class="colFirst"><a href="../../../../com/lightstreamer/interfaces/data/OldItemEvent.html" title="interface in com.lightstreamer.interfaces.data">OldItemEvent</a></td>
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<div class="block">Provides to the Data Adapter a special interface for creating ItemEvents
 in order to send updates to Lightstreamer Kernel.</div>
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<td class="colFirst"><a href="../../../../com/lightstreamer/interfaces/data/SmartDataProvider.html" title="interface in com.lightstreamer.interfaces.data">SmartDataProvider</a></td>
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<div class="block">Provides an extended interface to be implemented by a Data Adapter in order
 to attach a Data Provider to Lightstreamer Kernel.</div>
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<td class="colFirst"><a href="../../../../com/lightstreamer/interfaces/data/DataProviderException.html" title="class in com.lightstreamer.interfaces.data">DataProviderException</a></td>
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<div class="block">Thrown by the init method in DataProvider if there is some problem
 that prevents the correct behavior of the Data Adapter.</div>
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<td class="colFirst"><a href="../../../../com/lightstreamer/interfaces/data/FailureException.html" title="class in com.lightstreamer.interfaces.data">FailureException</a></td>
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<div class="block">Thrown by the subscribe and unsubscribe methods in DataProvider if the
 method execution has caused a severe problem that can compromise future
 operation of the Data Adapter.</div>
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<td class="colFirst"><a href="../../../../com/lightstreamer/interfaces/data/SubscriptionException.html" title="class in com.lightstreamer.interfaces.data">SubscriptionException</a></td>
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<div class="block">Thrown by the subscribe and unsubscribe methods in DataProvider if the
 request cannot be satisfied.</div>
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