Examples with DefaultDseKeyspaceMetadata com.datastax.dse.driver.internal.core.metadata.schema.DefaultDseKeyspaceMetadata used on opensource projects

Example 1 with DefaultDseKeyspaceMetadata

use of com.datastax.dse.driver.internal.core.metadata.schema.DefaultDseKeyspaceMetadata in project java-driver by datastax.

the class GraphSchemaRefreshTest method should_detect_created_keyspace_without_graph_engine.

@Test
public void should_detect_created_keyspace_without_graph_engine() {
    DefaultDseKeyspaceMetadata ks2 = newKeyspace("ks2", null);
    SchemaRefresh refresh = new SchemaRefresh(ImmutableMap.of(OLD_KS1.getName(), OLD_KS1, KS_WITH_ENGINE.getName(), KS_WITH_ENGINE, ks2.getName(), ks2));
    MetadataRefresh.Result result = refresh.compute(oldMetadata, false, context);
    assertThat(result.newMetadata.getKeyspaces()).hasSize(3);
    assertThat(result.events).containsExactly(KeyspaceChangeEvent.created(ks2));
}

Example 2 with DefaultDseKeyspaceMetadata

use of com.datastax.dse.driver.internal.core.metadata.schema.DefaultDseKeyspaceMetadata in project java-driver by datastax.

the class DseSchemaParser method parseKeyspace.

private DseKeyspaceMetadata parseKeyspace(AdminRow keyspaceRow) {
    // Cassandra <= 2.2
    // CREATE TABLE system.schema_keyspaces (
    // keyspace_name text PRIMARY KEY,
    // durable_writes boolean,
    // strategy_class text,
    // strategy_options text
    // )
    // 
    // Cassandra >= 3.0:
    // CREATE TABLE system_schema.keyspaces (
    // keyspace_name text PRIMARY KEY,
    // durable_writes boolean,
    // replication frozen<map<text, text>>
    // )
    // 
    // DSE >= 6.8: same as Cassandra 3 + graph_engine text
    CqlIdentifier keyspaceId = CqlIdentifier.fromInternal(keyspaceRow.getString("keyspace_name"));
    boolean durableWrites = MoreObjects.firstNonNull(keyspaceRow.getBoolean("durable_writes"), false);
    String graphEngine = keyspaceRow.getString("graph_engine");
    Map<String, String> replicationOptions;
    if (keyspaceRow.contains("strategy_class")) {
        String strategyClass = keyspaceRow.getString("strategy_class");
        Map<String, String> strategyOptions = SimpleJsonParser.parseStringMap(keyspaceRow.getString("strategy_options"));
        replicationOptions = ImmutableMap.<String, String>builder().putAll(strategyOptions).put("class", strategyClass).build();
    } else {
        replicationOptions = keyspaceRow.getMapOfStringToString("replication");
    }
    Map<CqlIdentifier, UserDefinedType> types = parseTypes(keyspaceId);
    return new DefaultDseKeyspaceMetadata(keyspaceId, durableWrites, false, graphEngine, replicationOptions, types, parseTables(keyspaceId, types), parseViews(keyspaceId, types), parseFunctions(keyspaceId, types), parseAggregates(keyspaceId, types));
}

Example 3 with DefaultDseKeyspaceMetadata

use of com.datastax.dse.driver.internal.core.metadata.schema.DefaultDseKeyspaceMetadata in project java-driver by datastax.

the class DseSchemaParser method parseVirtualKeyspace.

private DseKeyspaceMetadata parseVirtualKeyspace(AdminRow keyspaceRow) {
    CqlIdentifier keyspaceId = CqlIdentifier.fromInternal(keyspaceRow.getString("keyspace_name"));
    boolean durableWrites = MoreObjects.firstNonNull(keyspaceRow.getBoolean("durable_writes"), false);
    return new DefaultDseKeyspaceMetadata(keyspaceId, durableWrites, true, null, Collections.emptyMap(), Collections.emptyMap(), parseVirtualTables(keyspaceId), Collections.emptyMap(), Collections.emptyMap(), Collections.emptyMap());
}

Example 4 with DefaultDseKeyspaceMetadata

use of com.datastax.dse.driver.internal.core.metadata.schema.DefaultDseKeyspaceMetadata in project java-driver by datastax.

the class GraphSchemaRefreshTest method should_detect_adding_and_renaming_and_removing_vertex_label.

@Test
public void should_detect_adding_and_renaming_and_removing_vertex_label() {
    DefaultDseTableMetadata newTable = newTable(KS_WITH_ENGINE.getName(), CqlIdentifier.fromInternal("tbl"), new DefaultDseVertexMetadata(CqlIdentifier.fromInternal("someLabel")), null);
    DefaultDseKeyspaceMetadata ks = newKeyspace(KS_WITH_ENGINE.getName(), "Core", ImmutableMap.of(CqlIdentifier.fromInternal("tbl"), newTable));
    SchemaRefresh refresh = new SchemaRefresh(ImmutableMap.of(KS_WITH_ENGINE.getName(), ks, OLD_KS1.getName(), OLD_KS1));
    MetadataRefresh.Result result = refresh.compute(oldMetadata, false, context);
    assertThat(result.newMetadata.getKeyspaces()).hasSize(2);
    assertThat(result.events).containsExactly(TableChangeEvent.updated(OLD_TABLE, newTable));
    assertThat(result.newMetadata.getKeyspaces().get(KS_WITH_ENGINE.getName())).isNotNull();
    assertThat(((DseGraphTableMetadata) result.newMetadata.getKeyspaces().get(KS_WITH_ENGINE.getName()).getTable("tbl").get()).getVertex()).isNotNull();
    assertThat(((DseGraphTableMetadata) result.newMetadata.getKeyspaces().get(KS_WITH_ENGINE.getName()).getTable("tbl").get()).getVertex().get().getLabelName().asInternal()).isEqualTo("someLabel");
    // now rename the vertex label
    newTable = newTable(KS_WITH_ENGINE.getName(), CqlIdentifier.fromInternal("tbl"), new DefaultDseVertexMetadata(CqlIdentifier.fromInternal("someNewLabel")), null);
    ks = newKeyspace(KS_WITH_ENGINE.getName(), "Core", ImmutableMap.of(CqlIdentifier.fromInternal("tbl"), newTable));
    refresh = new SchemaRefresh(ImmutableMap.of(KS_WITH_ENGINE.getName(), ks, OLD_KS1.getName(), OLD_KS1));
    result = refresh.compute(oldMetadata, false, context);
    assertThat(result.newMetadata.getKeyspaces()).hasSize(2);
    assertThat(result.events).containsExactly(TableChangeEvent.updated(OLD_TABLE, newTable));
    assertThat(((DseGraphTableMetadata) result.newMetadata.getKeyspaces().get(KS_WITH_ENGINE.getName()).getTable("tbl").get()).getVertex().get().getLabelName().asInternal()).isEqualTo("someNewLabel");
    // now remove the vertex label from the table
    DefaultMetadata metadataWithVertexLabel = result.newMetadata;
    DefaultDseTableMetadata tableWithRemovedLabel = newTable(KS_WITH_ENGINE.getName(), CqlIdentifier.fromInternal("tbl"), null, null);
    ks = newKeyspace(KS_WITH_ENGINE.getName(), "Core", ImmutableMap.of(CqlIdentifier.fromInternal("tbl"), tableWithRemovedLabel));
    refresh = new SchemaRefresh(ImmutableMap.of(KS_WITH_ENGINE.getName(), ks, OLD_KS1.getName(), OLD_KS1));
    result = refresh.compute(metadataWithVertexLabel, false, context);
    assertThat(result.newMetadata.getKeyspaces()).hasSize(2);
    assertThat(result.events).containsExactly(TableChangeEvent.updated(newTable, tableWithRemovedLabel));
    assertThat(((DseGraphTableMetadata) result.newMetadata.getKeyspaces().get(KS_WITH_ENGINE.getName()).getTable("tbl").get()).getVertex().isPresent()).isFalse();
}

Example 5 with DefaultDseKeyspaceMetadata

use of com.datastax.dse.driver.internal.core.metadata.schema.DefaultDseKeyspaceMetadata in project java-driver by datastax.

the class GraphSchemaRefreshTest method should_detect_created_keyspace_with_graph_engine.

@Test
public void should_detect_created_keyspace_with_graph_engine() {
    DefaultDseKeyspaceMetadata ks2 = newKeyspace("ks2", "Core");
    SchemaRefresh refresh = new SchemaRefresh(ImmutableMap.of(OLD_KS1.getName(), OLD_KS1, KS_WITH_ENGINE.getName(), KS_WITH_ENGINE, ks2.getName(), ks2));
    MetadataRefresh.Result result = refresh.compute(oldMetadata, false, context);
    assertThat(result.newMetadata.getKeyspaces()).hasSize(3);
    assertThat(result.events).containsExactly(KeyspaceChangeEvent.created(ks2));
}