Examples with BinaryBackendEntry com.baidu.hugegraph.backend.serializer.BinaryBackendEntry used on opensource projects

Example 1 with BinaryBackendEntry

use of com.baidu.hugegraph.backend.serializer.BinaryBackendEntry in project incubator-hugegraph by apache.

the class HbaseTable method newEntryIterator.

protected BackendEntryIterator newEntryIterator(Query query, RowIterator rows) {
    return new BinaryEntryIterator<>(rows, query, (entry, row) -> {
        E.checkState(!row.isEmpty(), "Can't parse empty HBase result");
        byte[] id = row.getRow();
        if (entry == null || !Bytes.prefixWith(id, entry.id().asBytes())) {
            HugeType type = query.resultType();
            // NOTE: only support BinaryBackendEntry currently
            entry = new BinaryBackendEntry(type, id, this.enablePartition);
        }
        try {
            this.parseRowColumns(row, entry, query, this.enablePartition);
        } catch (IOException e) {
            throw new BackendException("Failed to read HBase columns", e);
        }
        return entry;
    });
}

Example 2 with BinaryBackendEntry

use of com.baidu.hugegraph.backend.serializer.BinaryBackendEntry in project incubator-hugegraph by apache.

the class BinaryScatterSerializerTest method parse.

private static BackendEntry parse(BackendEntry originEntry) {
    byte[] bytes = originEntry.id().asBytes();
    BackendEntry parsedEntry = new BinaryBackendEntry(originEntry.type(), bytes);
    parsedEntry.columns(originEntry.columns());
    return parsedEntry;
}

Example 3 with BinaryBackendEntry

use of com.baidu.hugegraph.backend.serializer.BinaryBackendEntry in project incubator-hugegraph by apache.

the class BinaryBackendEntryTest method testColumns.

@Test
public void testColumns() {
    BinaryBackendEntry entry = new BinaryBackendEntry(HugeType.VERTEX, new byte[] { 1, 2 });
    BackendColumn col = BackendColumn.of(new byte[] { 1, 2 }, new byte[] { 3, 4 });
    entry.columns(ImmutableList.of(col));
    Assert.assertEquals(1, entry.columnsSize());
    Assert.assertEquals(ImmutableList.of(col), entry.columns());
    entry.columns(ImmutableList.of(col, col));
    Assert.assertEquals(3, entry.columnsSize());
    Assert.assertEquals(ImmutableList.of(col, col, col), entry.columns());
}

Example 4 with BinaryBackendEntry

use of com.baidu.hugegraph.backend.serializer.BinaryBackendEntry in project incubator-hugegraph by apache.

the class BinaryBackendEntryTest method testEquals.

@Test
public void testEquals() {
    BinaryBackendEntry entry = new BinaryBackendEntry(HugeType.VERTEX, new byte[] { 1, 2 });
    BinaryBackendEntry entry2 = new BinaryBackendEntry(HugeType.VERTEX, new byte[] { 2, 2 });
    BinaryBackendEntry entry3 = new BinaryBackendEntry(HugeType.VERTEX, new byte[] { 1, 2 });
    BinaryBackendEntry entry4 = new BinaryBackendEntry(HugeType.VERTEX, new byte[] { 1, 2 });
    BinaryBackendEntry entry5 = new BinaryBackendEntry(HugeType.VERTEX, new byte[] { 1, 2 });
    BackendColumn col = BackendColumn.of(new byte[] { 1, 2 }, new byte[] { 3, 4 });
    BackendColumn col2 = BackendColumn.of(new byte[] { 5, 6 }, new byte[] { 7, 8 });
    entry.column(col);
    entry2.column(col2);
    entry3.column(col2);
    entry4.column(col);
    entry4.column(col2);
    entry5.column(col);
    Assert.assertNotEquals(entry, entry2);
    Assert.assertNotEquals(entry, entry3);
    Assert.assertNotEquals(entry, entry4);
    Assert.assertEquals(entry, entry5);
}

Example 5 with BinaryBackendEntry

use of com.baidu.hugegraph.backend.serializer.BinaryBackendEntry in project incubator-hugegraph by apache.

the class BinaryBackendEntryTest method testMerge.

@Test
public void testMerge() {
    BinaryBackendEntry entry = new BinaryBackendEntry(HugeType.VERTEX, new byte[] { 1, 2 });
    BinaryBackendEntry entry2 = new BinaryBackendEntry(HugeType.VERTEX, new byte[] { 2, 2 });
    BackendColumn col = BackendColumn.of(new byte[] { 1, 2 }, new byte[] { 3, 4 });
    BackendColumn col2 = BackendColumn.of(new byte[] { 5, 6 }, new byte[] { 7, 8 });
    entry.column(col);
    entry2.column(col2);
    Assert.assertEquals(1, entry.columnsSize());
    Assert.assertEquals(ImmutableList.of(col), entry.columns());
    entry.merge(entry2);
    Assert.assertEquals(2, entry.columnsSize());
    Assert.assertEquals(ImmutableList.of(col, col2), entry.columns());
}