Examples with InMemoryClosableChannel org.neo4j.kernel.impl.transaction.log.InMemoryClosableChannel used on opensource projects

Example 61 with InMemoryClosableChannel

use of org.neo4j.kernel.impl.transaction.log.InMemoryClosableChannel in project neo4j by neo4j.

the class SchemaRuleCommandTest method shouldRecreateSchemaRuleWhenDeleteCommandReadFromDisk.

@Test
public void shouldRecreateSchemaRuleWhenDeleteCommandReadFromDisk() throws Exception {
    // GIVEN
    SchemaRecord beforeRecords = serialize(rule, id, true, true);
    SchemaRecord afterRecords = serialize(rule, id, false, false);
    SchemaRuleCommand command = new SchemaRuleCommand(beforeRecords, afterRecords, rule);
    InMemoryClosableChannel buffer = new InMemoryClosableChannel();
    when(neoStores.getSchemaStore()).thenReturn(schemaStore);
    // WHEN
    command.serialize(buffer);
    Command readCommand = reader.read(buffer);
    // THEN
    assertThat(readCommand, instanceOf(SchemaRuleCommand.class));
    assertSchemaRule((SchemaRuleCommand) readCommand);
}

Example 62 with InMemoryClosableChannel

use of org.neo4j.kernel.impl.transaction.log.InMemoryClosableChannel in project neo4j by neo4j.

the class IndexDefineCommandTest method shouldFailToWriteIndexDefineCommandIfMapIsLargerThanShort.

@Test
public void shouldFailToWriteIndexDefineCommandIfMapIsLargerThanShort() throws IOException {
    // GIVEN
    InMemoryClosableChannel channel = new InMemoryClosableChannel(1000);
    IndexDefineCommand command = mock(IndexDefineCommand.class);
    Map<String, Integer> largeMap = initMap(0xFFFF + 1);
    when(command.getIndexNameIdRange()).thenReturn(largeMap);
    when(command.getKeyIdRange()).thenReturn(largeMap);
    // WHEN
    try {
        command.serialize(channel);
        fail("Expected an AssertionError");
    } catch (AssertionError e) {
    // THEN Fine
    }
}

Example 63 with InMemoryClosableChannel

use of org.neo4j.kernel.impl.transaction.log.InMemoryClosableChannel in project neo4j by neo4j.

the class InMemoryCountsStoreSnapshotDeserializerTest method correctlyDeserializeIndexSample.

@Test
public void correctlyDeserializeIndexSample() throws IOException {
    //GIVEN
    long indexId = 1;
    serializedBytes = ByteBuffer.allocate(1000);
    InMemoryClosableChannel logChannel = new InMemoryClosableChannel(serializedBytes.array(), false);
    writeSimpleHeader(logChannel);
    logChannel.put(INDEX_SAMPLE.code);
    logChannel.putLong(indexId);
    logChannel.putLong(1);
    logChannel.putLong(1);
    //WHEN
    IndexSampleKey expectedNode = CountsKeyFactory.indexSampleKey(indexId);
    CountsSnapshot countsSnapshot = deserialize(logChannel);
    //THEN
    assertNotNull(countsSnapshot.getMap().get(expectedNode));
    assertArrayEquals(new long[] { 1, 1 }, countsSnapshot.getMap().get(expectedNode));
}

Example 64 with InMemoryClosableChannel

use of org.neo4j.kernel.impl.transaction.log.InMemoryClosableChannel in project neo4j by neo4j.

the class InMemoryCountsStoreSnapshotDeserializerTest method correctlyDeserializeEntityRelationship.

@Test
public void correctlyDeserializeEntityRelationship() throws IOException {
    //GIVEN
    serializedBytes = ByteBuffer.allocate(1000);
    InMemoryClosableChannel logChannel = new InMemoryClosableChannel(serializedBytes.array(), false);
    writeSimpleHeader(logChannel);
    logChannel.put(ENTITY_RELATIONSHIP.code);
    logChannel.putInt(1);
    logChannel.putInt(1);
    logChannel.putInt(1);
    logChannel.putLong(1);
    //WHEN
    RelationshipKey expectedNode = CountsKeyFactory.relationshipKey(1, 1, 1);
    CountsSnapshot countsSnapshot = deserialize(logChannel);
    //THEN
    assertNotNull(countsSnapshot.getMap().get(expectedNode));
    assertArrayEquals(new long[] { 1 }, countsSnapshot.getMap().get(expectedNode));
}

Example 65 with InMemoryClosableChannel

use of org.neo4j.kernel.impl.transaction.log.InMemoryClosableChannel in project neo4j by neo4j.

the class InMemoryCountsStoreSnapshotDeserializerTest method correctlyDeserializeTxId.

@Test
public void correctlyDeserializeTxId() throws IOException {
    //GIVEN
    serializedBytes = ByteBuffer.allocate(1000);
    InMemoryClosableChannel logChannel = new InMemoryClosableChannel(serializedBytes.array(), false);
    logChannel.putLong(72);
    logChannel.putInt(0);
    //WHEN
    CountsSnapshot countsSnapshot = deserialize(logChannel);
    //THEN
    assertEquals(72, countsSnapshot.getTxId());
}