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

Example 1 with TableBackendEntry

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

the class PostgresqlSerializer method writeIndex.

@Override
public BackendEntry writeIndex(HugeIndex index) {
    TableBackendEntry entry = newBackendEntry(index);
    /*
         * When field-values is null and elementIds size is 0, it is
         * meaningful for deletion of index data in secondary/range index.
         */
    if (index.fieldValues() == null && index.elementIds().size() == 0) {
        entry.column(HugeKeys.INDEX_LABEL_ID, index.indexLabel().longId());
    } else {
        Object value = index.fieldValues();
        if (value != null && "\u0000".equals(value)) {
            value = Strings.EMPTY;
        }
        entry.column(HugeKeys.FIELD_VALUES, value);
        entry.column(HugeKeys.INDEX_LABEL_ID, index.indexLabel().longId());
        entry.column(HugeKeys.ELEMENT_IDS, IdUtil.writeStoredString(index.elementId()));
        entry.column(HugeKeys.EXPIRED_TIME, index.expiredTime());
        entry.subId(index.elementId());
    }
    return entry;
}

Example 2 with TableBackendEntry

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

the class TableBackendEntryTest method testColumnWithCardinalityList.

@Test
public void testColumnWithCardinalityList() {
    TableBackendEntry entry = new TableBackendEntry(HugeType.VERTEX);
    entry.column(HugeKeys.PROPERTIES, "v1", Cardinality.LIST);
    Assert.assertEquals(ImmutableList.of("v1"), entry.column(HugeKeys.PROPERTIES));
    entry.column(HugeKeys.PROPERTIES, "v2", Cardinality.LIST);
    Assert.assertEquals(ImmutableList.of("v1", "v2"), entry.column(HugeKeys.PROPERTIES));
    entry.column(HugeKeys.PROPERTIES, "v3", Cardinality.LIST);
    Assert.assertEquals(ImmutableList.of("v1", "v2", "v3"), entry.column(HugeKeys.PROPERTIES));
    entry.column(HugeKeys.PROPERTIES, "v2", Cardinality.LIST);
    Assert.assertEquals(ImmutableList.of("v1", "v2", "v3", "v2"), entry.column(HugeKeys.PROPERTIES));
}

Example 3 with TableBackendEntry

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

the class TableBackendEntryTest method testId.

@Test
public void testId() {
    TableBackendEntry entry = new TableBackendEntry(HugeType.VERTEX);
    Assert.assertNull(entry.id());
    Id id = IdGenerator.of(1L);
    entry.id(id);
    Assert.assertEquals(HugeType.VERTEX, entry.type());
    Assert.assertEquals(id, entry.id());
    Assert.assertNull(entry.subId());
    entry.subId(id);
    Assert.assertEquals(id, entry.subId());
}

Example 4 with TableBackendEntry

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

the class TableBackendEntryTest method testColumnWithCardinalitySet.

@Test
public void testColumnWithCardinalitySet() {
    TableBackendEntry entry = new TableBackendEntry(HugeType.VERTEX);
    entry.column(HugeKeys.PROPERTIES, "v1", Cardinality.SET);
    Assert.assertEquals(ImmutableSet.of("v1"), entry.column(HugeKeys.PROPERTIES));
    entry.column(HugeKeys.PROPERTIES, "v2", Cardinality.SET);
    Assert.assertEquals(ImmutableSet.of("v1", "v2"), entry.column(HugeKeys.PROPERTIES));
    entry.column(HugeKeys.PROPERTIES, "v3", Cardinality.SET);
    Assert.assertEquals(ImmutableSet.of("v1", "v2", "v3"), entry.column(HugeKeys.PROPERTIES));
    entry.column(HugeKeys.PROPERTIES, "v2", Cardinality.SET);
    Assert.assertEquals(ImmutableSet.of("v1", "v2", "v3"), entry.column(HugeKeys.PROPERTIES));
}

Example 5 with TableBackendEntry

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

the class TableBackendEntryTest method testColumnWithCardinalitySingle.

@Test
public void testColumnWithCardinalitySingle() {
    TableBackendEntry entry = new TableBackendEntry(HugeType.VERTEX);
    entry.column(HugeKeys.ID, "v1", Cardinality.SINGLE);
    Assert.assertEquals("v1", entry.column(HugeKeys.ID));
    entry.column(HugeKeys.ID, "v2", Cardinality.SINGLE);
    Assert.assertEquals("v2", entry.column(HugeKeys.ID));
    Assert.assertThrows(ClassCastException.class, () -> {
        entry.column(HugeKeys.ID, "v3", Cardinality.SET);
    });
}