Examples of com.salesforce.hbase.index.table.CachingHTableFactory

Package com.salesforce.hbase.index.table

Examples of com.salesforce.hbase.index.table.CachingHTableFactory

com.salesforce.hbase.index.table.CachingHTableFactory
A simple cache that just uses usual GC mechanisms to cleanup unused {@link HTableInterface}s. When requesting an {@link HTableInterface} via {@link #getTable}, you may get the same table as last time, or it may be a new table.
You should not call {@link HTableInterface#close()} that is handled when the table goesout of scope. Along the same lines, you must ensure to not keep a reference to the table for longer than necessary - this leak will ensure that the table never gets closed.

   * <p>
   * Exposed for TESTING
   */
  void setup(HTableFactory factory, ExecutorService pool, Abortable abortable, Stoppable stop,
      int cacheSize) {
    this.factory = new CachingHTableFactory(factory, cacheSize);
    this.pool = new QuickFailingTaskRunner(pool);
    this.stopped = stop;
  }

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   * Exposed for TESTING
   */
  void setup(HTableFactory factory, ExecutorService pool, Abortable abortable, Stoppable stop,
      int cacheSize) {
    this.pool = new WaitForCompletionTaskRunner(pool);
    this.factory = new CachingHTableFactory(factory, cacheSize);
    this.abortable = new CapturingAbortable(abortable);
    this.stopped = stop;
  }

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    Mockito.when(delegate.getTable(t1)).thenReturn(table1);
    Mockito.when(delegate.getTable(t2)).thenReturn(table2);
    Mockito.when(delegate.getTable(t3)).thenReturn(table3);
    
    // setup our factory with a cache size of 2
    CachingHTableFactory factory = new CachingHTableFactory(delegate, 2);
    factory.getTable(t1);
    factory.getTable(t2);
    factory.getTable(t3);
    // get the same table a second time, after it has gone out of cache
    factory.getTable(t1);
    
    Mockito.verify(delegate, Mockito.times(2)).getTable(t1);
    Mockito.verify(delegate, Mockito.times(1)).getTable(t2);
    Mockito.verify(delegate, Mockito.times(1)).getTable(t3);
    Mockito.verify(table1).close();

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