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

Example 41 with InMemoryClosableChannel

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

the class PhysicalLogCommandReaderV3_0Test method readPropertyCommandWithNonRequiredSecondaryUnit.

@Test
public void readPropertyCommandWithNonRequiredSecondaryUnit() throws IOException {
    InMemoryClosableChannel channel = new InMemoryClosableChannel();
    PropertyRecord before = new PropertyRecord(1);
    PropertyRecord after = new PropertyRecord(2);
    after.setRequiresSecondaryUnit(false);
    after.setSecondaryUnitId(78);
    new Command.PropertyCommand(before, after).serialize(channel);
    PhysicalLogCommandReaderV3_0 reader = new PhysicalLogCommandReaderV3_0();
    Command command = reader.read(channel);
    assertTrue(command instanceof Command.PropertyCommand);
    Command.PropertyCommand neoStoreCommand = (Command.PropertyCommand) command;
    // Then
    assertEquals(before.getNextProp(), neoStoreCommand.getBefore().getNextProp());
    assertEquals(after.getNextProp(), neoStoreCommand.getAfter().getNextProp());
    verifySecondaryUnit(after, neoStoreCommand.getAfter());
}

Example 42 with InMemoryClosableChannel

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

the class PhysicalLogCommandReaderV3_0Test method shouldReadRelationshipCommand.

@Test
public void shouldReadRelationshipCommand() throws Throwable {
    // Given
    InMemoryClosableChannel channel = new InMemoryClosableChannel();
    RelationshipRecord before = new RelationshipRecord(42, -1, -1, -1);
    RelationshipRecord after = new RelationshipRecord(42, true, 1, 2, 3, 4, 5, 6, 7, true, true);
    new Command.RelationshipCommand(before, after).serialize(channel);
    // When
    PhysicalLogCommandReaderV3_0 reader = new PhysicalLogCommandReaderV3_0();
    Command command = reader.read(channel);
    assertTrue(command instanceof Command.RelationshipCommand);
    Command.RelationshipCommand relationshipCommand = (Command.RelationshipCommand) command;
    // Then
    assertEquals(before, relationshipCommand.getBefore());
    assertEquals(after, relationshipCommand.getAfter());
}

Example 43 with InMemoryClosableChannel

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

the class PhysicalLogCommandReaderV3_0Test method shouldReadRelationshipGroupCommand.

@Test
public void shouldReadRelationshipGroupCommand() throws Throwable {
    // Given
    InMemoryClosableChannel channel = new InMemoryClosableChannel();
    RelationshipGroupRecord before = new RelationshipGroupRecord(42, 3);
    RelationshipGroupRecord after = new RelationshipGroupRecord(42, 3, 4, 5, 6, 7, 8, true);
    after.setCreated();
    new Command.RelationshipGroupCommand(before, after).serialize(channel);
    // When
    PhysicalLogCommandReaderV3_0 reader = new PhysicalLogCommandReaderV3_0();
    Command command = reader.read(channel);
    assertTrue(command instanceof Command.RelationshipGroupCommand);
    Command.RelationshipGroupCommand relationshipGroupCommand = (Command.RelationshipGroupCommand) command;
    // Then
    assertEquals(before, relationshipGroupCommand.getBefore());
    assertEquals(after, relationshipGroupCommand.getAfter());
}

Example 44 with InMemoryClosableChannel

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

the class VersionAwareLogEntryReaderTest method shouldParseOldPrepareSkipItAndReadTheOneAfter.

@Test
public void shouldParseOldPrepareSkipItAndReadTheOneAfter() throws IOException {
    // given
    LogEntryVersion version = LogEntryVersion.V2_1;
    final InMemoryClosableChannel channel = new InMemoryClosableChannel();
    final OnePhaseCommit commit = new OnePhaseCommit(42, 456);
    // PREPARE
    channel.put(version.byteCode());
    channel.put(LogEntryByteCodes.TX_PREPARE);
    // ignored data
    // identifier
    channel.putInt(123);
    // timewritten
    channel.putLong(456);
    // 2P COMMIT
    channel.put(version.byteCode());
    channel.put(LogEntryByteCodes.TX_2P_COMMIT);
    // ignored data
    // identifier
    channel.putInt(123);
    // actually used data
    channel.putLong(commit.getTxId());
    channel.putLong(commit.getTimeWritten());
    // when
    final LogEntry logEntry = logEntryReader.readLogEntry(channel);
    // then
    assertTrue(logEntry instanceof IdentifiableLogEntry);
    assertEquals(commit, ((IdentifiableLogEntry) logEntry).getEntry());
}

Example 45 with InMemoryClosableChannel

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

the class VersionAwareLogEntryReaderTest method shouldReadACommitLogEntry.

@Test
public void shouldReadACommitLogEntry() throws IOException {
    // given
    LogEntryVersion version = LogEntryVersion.CURRENT;
    final LogEntryCommit commit = new OnePhaseCommit(version, 42, 21);
    final InMemoryClosableChannel channel = new InMemoryClosableChannel();
    channel.put(version.byteCode());
    channel.put(LogEntryByteCodes.TX_1P_COMMIT);
    channel.putLong(commit.getTxId());
    channel.putLong(commit.getTimeWritten());
    // when
    final LogEntry logEntry = logEntryReader.readLogEntry(channel);
    // then
    assertEquals(commit, logEntry);
}