Examples with LongSupplier java.util.function.LongSupplier used on opensource projects

Example 1 with LongSupplier

use of java.util.function.LongSupplier in project neo4j by neo4j.

the class OnDiskLastTxIdGetterTest method lastTransactionIdIsBaseTxIdWhileNeoStoresAreStopped.

@Test
public void lastTransactionIdIsBaseTxIdWhileNeoStoresAreStopped() {
    final StoreFactory storeFactory = new StoreFactory(new File("store"), pageCacheRule.getPageCache(fs.get()), fs.get(), NullLogProvider.getInstance());
    final NeoStores neoStores = storeFactory.openAllNeoStores(true);
    neoStores.close();
    LongSupplier supplier = () -> neoStores.getMetaDataStore().getLastCommittedTransactionId();
    OnDiskLastTxIdGetter diskLastTxIdGetter = new OnDiskLastTxIdGetter(supplier);
    assertEquals(TransactionIdStore.BASE_TX_ID, diskLastTxIdGetter.getLastTxId());
}

Example 2 with LongSupplier

use of java.util.function.LongSupplier in project lucene-solr by apache.

the class BaseDocValuesFormatTestCase method testZeroOrMin.

public void testZeroOrMin() throws Exception {
    // try to make GCD compression fail if the format did not anticipate that
    // the GCD of 0 and MIN_VALUE is negative
    int numIterations = atLeast(1);
    for (int i = 0; i < numIterations; i++) {
        final LongSupplier longs = () -> {
            return random().nextBoolean() ? 0 : Long.MIN_VALUE;
        };
        doTestNumericsVsStoredFields(1, longs);
    }
}

Example 3 with LongSupplier

use of java.util.function.LongSupplier in project lucene-solr by apache.

the class BaseNormsFormatTestCase method testLongRange.

public void testLongRange() throws Exception {
    int iterations = atLeast(1);
    final Random r = random();
    for (int i = 0; i < iterations; i++) {
        doTestNormsVersusDocValues(1, new LongSupplier() {

            @Override
            public long getAsLong() {
                return TestUtil.nextLong(r, Long.MIN_VALUE, Long.MAX_VALUE);
            }
        });
    }
}

Example 4 with LongSupplier

use of java.util.function.LongSupplier in project lucene-solr by apache.

the class BaseNormsFormatTestCase method testSparseNCommon.

public void testSparseNCommon() throws Exception {
    assumeTrue("Requires sparse norms support", codecSupportsSparsity());
    final Random r = random();
    final int N = TestUtil.nextInt(r, 2, 15);
    final long[] commonValues = new long[N];
    for (int j = 0; j < N; ++j) {
        commonValues[j] = TestUtil.nextLong(r, Byte.MIN_VALUE, Byte.MAX_VALUE);
    }
    final int numOtherValues = TestUtil.nextInt(r, 2, 256 - N);
    final long[] otherValues = new long[numOtherValues];
    for (int j = 0; j < numOtherValues; ++j) {
        otherValues[j] = TestUtil.nextLong(r, Byte.MIN_VALUE, Byte.MAX_VALUE);
    }
    doTestNormsVersusDocValues(random().nextDouble(), new LongSupplier() {

        @Override
        public long getAsLong() {
            return r.nextInt(100) == 0 ? otherValues[r.nextInt(numOtherValues - 1)] : commonValues[r.nextInt(N - 1)];
        }
    });
}

Example 5 with LongSupplier

use of java.util.function.LongSupplier in project lucene-solr by apache.

the class BaseNormsFormatTestCase method testFullLongRange.

public void testFullLongRange() throws Exception {
    int iterations = atLeast(1);
    final Random r = random();
    for (int i = 0; i < iterations; i++) {
        doTestNormsVersusDocValues(1, new LongSupplier() {

            @Override
            public long getAsLong() {
                int thingToDo = r.nextInt(3);
                switch(thingToDo) {
                    case 0:
                        return Long.MIN_VALUE;
                    case 1:
                        return Long.MAX_VALUE;
                    default:
                        return TestUtil.nextLong(r, Long.MIN_VALUE, Long.MAX_VALUE);
                }
            }
        });
    }
}