Package jdbm.helper

Examples of jdbm.helper.Tuple

429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
     *         greater entry was found.
     */
    public synchronized Tuple findGreaterOrEqual( Object key )
        throws IOException
    {
        Tuple         tuple;
        TupleBrowser  browser;

        if ( key == null ) {
            // there can't be a key greater than or equal to "null"
            // because null is considered an infinite key.
            return null;
        }

        tuple = new Tuple( null, null );
        browser = browse( key );
        if ( browser.getNext( tuple ) ) {
            return tuple;
        } else {
            return null;
View Full Code Here
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
        BPage rootPage = getRoot();
        if ( rootPage == null ) {
            return null;
        }

        Tuple tuple = new Tuple( null, null );
        TupleBrowser browser = rootPage.find( _height, key );

        if ( browser.getNext( tuple ) ) {
            // find returns the matching key or the next ordered key, so we must
            // check if we have an exact match
            if ( _comparator.compare( key, tuple.getKey() ) != 0 ) {
                return null;
            } else {
                return tuple.getValue();
            }
        } else {
            return null;
        }
    }
View Full Code Here
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
     *         greater entry was found.
     */
    public synchronized Tuple findGreaterOrEqual( Object key )
        throws IOException
    {
        Tuple         tuple;
        TupleBrowser  browser;

        if ( key == null ) {
            // there can't be a key greater than or equal to "null"
            // because null is considered an infinite key.
            return null;
        }

        tuple = new Tuple( null, null );
        browser = browse( key );
        if ( browser.getNext( tuple ) ) {
            return tuple;
        } else {
            return null;
View Full Code Here
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
        // browse will position us right after "4" and getNext() will return 8
        // since "5", "6", and "7" do not exist
        TupleBrowser browser = bt.browse( "5" );
        assertNotNull( browser );
        Tuple tuple = new Tuple();
        browser.getNext( tuple );
        assertEquals( "8", tuple.getKey() );

        // browse will position us right after "1" and getNext() will return 2
        // since "2" exists.
        browser = bt.browse( "2" );
        assertNotNull( browser );
        tuple = new Tuple();
        browser.getNext( tuple );
        assertEquals( "2", tuple.getKey() );

        // browse will position us right after "8" and getNext() will null
        // since nothing else exists past 8.  We've come to the end.
        browser = bt.browse( "9" );
        assertNotNull( browser );
        tuple = new Tuple();
        browser.getNext( tuple );
        assertNull( tuple.getKey() );

        // browse will position us right before "1" and getPrevious() will
        // null since nothing else exists before 1.  We've come to the end.
        // getNext() will however return "1".
        browser = bt.browse( "0" );
        assertNotNull( browser );
        tuple = new Tuple();
        browser.getPrevious( tuple );
        assertNull( tuple.getKey() );
        browser.getNext( tuple );
        assertEquals( "1", tuple.getKey() );
    }
View Full Code Here
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
        bt.insert( 12, 3, true );
        bt.insert( 0, 3, true );
        bt.insert( 30, 3, true );
        bt.insert( 25, 3, true );

        Tuple tuple = new Tuple();
        TupleBrowser browser = bt.browse( null );
        assertTrue( browser.getPrevious( tuple ) );
        //noinspection AssertEqualsBetweenInconvertibleTypes
        assertEquals( 30, tuple.getKey() );

        assertTrue( browser.getPrevious( tuple ) );
        //noinspection AssertEqualsBetweenInconvertibleTypes
        assertEquals( 25, tuple.getKey() );

        assertTrue( browser.getNext( tuple ) );
        //noinspection AssertEqualsBetweenInconvertibleTypes
        assertEquals( "If this works the jdbm bug is gone: will start to return " +
            "30 instead as expected for correct operation", 25, tuple.getKey() );
    }
View Full Code Here
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
        // browse will position us right after "4" and getNext() will return 8
        // since "5", "6", and "7" do not exist
        TupleBrowser browser = bt.browse( "5" );
        assertNotNull( browser );
        Tuple tuple = new Tuple();
        browser.getNext( tuple );
        assertEquals( "8", tuple.getKey() );

        // browse will position us right after "1" and getNext() will return 2
        // since "2" exists.
        browser = bt.browse( "2" );
        assertNotNull( browser );
        tuple = new Tuple();
        browser.getNext( tuple );
        assertEquals( "2", tuple.getKey() );

        // browse will position us right after "8" and getNext() will null
        // since nothing else exists past 8.  We've come to the end.
        browser = bt.browse( "9" );
        assertNotNull( browser );
        tuple = new Tuple();
        browser.getNext( tuple );
        assertNull( tuple.getKey() );

        // browse will position us right before "1" and getPrevious() will
        // null since nothing else exists before 1.  We've come to the end.
        // getNext() will however return "1".
        browser = bt.browse( "0" );
        assertNotNull( browser );
        tuple = new Tuple();
        browser.getPrevious( tuple );
        assertNull( tuple.getKey() );
        browser.getNext( tuple );
        assertEquals( "1", tuple.getKey() );
    }
View Full Code Here
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
   @Override
   Set<Object> getChildrenNames0(Fqn name) throws IOException
   {
      Fqn name2 = withDepth(name, name.size() + 1);
      TupleBrowser browser = tree.browse(name2);
      Tuple t = new Tuple();

      Set<Object> set = new HashSet<Object>();

      while (browser.getNext(t))
      {
         Fqn fqn = (Fqn) t.getKey();
         if (!fqn.isChildOf(name2))
         {
            break;
         }
         set.add(fqn.getLastElement());
View Full Code Here
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
                        @Override
                        public <ReceiverThrowableType extends Throwable> void sendTo( Receiver<? super Reader, ReceiverThrowableType> receiver )
                            throws ReceiverThrowableType, IOException
                        {
                            final TupleBrowser browser = index.browse();
                            final Tuple tuple = new Tuple();

                            while( browser.getNext( tuple ) )
                            {
                                String id = new String( (byte[]) tuple.getKey(), "UTF-8" );

                                Long stateIndex = getStateIndex( id );

                                if( stateIndex == null )
                                {
View Full Code Here
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
                        @Override
                        public <ReceiverThrowableType extends Throwable> void sendTo( Receiver<? super String, ReceiverThrowableType> receiver )
                            throws ReceiverThrowableType, IOException
                        {
                            final TupleBrowser browser = index.browse();
                            final Tuple tuple = new Tuple();

                            while( browser.getNext( tuple ) )
                            {
                                String id = new String( (byte[]) tuple.getKey(), "UTF-8" );

                                Long stateIndex = getStateIndex( id );

                                if( stateIndex == null )
                                {
View Full Code Here
154
155
156
157
158
159
160
161
162
163
164
                            try
                            {
                                final TupleBrowser browser = index.browse( offset + 1 );

                                Tuple tuple = new Tuple();

                                while( browser.getNext( tuple ) )
                                {
                                    // Get next transaction
                                    UnitOfWorkDomainEventsValue domainEvents = readTransactionEvents( tuple );
View Full Code Here
TOP

Related Classes of jdbm.helper.Tuple

  • FamousPeople
  • jdbm.btree.BTree
  • jdbm.btree.TestBPage
  • jdbm.btree.TestBTree
  • org.activemq.store.jdbm.JdbmMessageStore
  • org.activemq.store.jdbm.JdbmTopicMessageStore
  • org.activemq.store.jdbm.OrderTest
  • org.apache.directory.server.core.partition.impl.btree.jdbm.JdbmBrowserBugTest
  • org.apache.directory.server.core.partition.impl.btree.jdbm.KeyBTreeCursorTest
  • org.apache.directory.server.core.partition.impl.btree.jdbm.KeyCursorTest
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.