org.fcrepo.server.journal.recoverylog
Class UnbufferedJournalRecoveryLog

java.lang.Object
  org.fcrepo.server.journal.recoverylog.JournalRecoveryLog
      org.fcrepo.server.journal.recoverylog.UnbufferedJournalRecoveryLog

All Implemented Interfaces:

JournalConstants

public class UnbufferedJournalRecoveryLog
extends JournalRecoveryLog

A basic implementation of RecoveryLog.

All entries are written to a log, which is flushed after each entry so the log will be up to date even if the server crashes.

Author:

Jim Blake

Field Summary

Fields inherited from class org.fcrepo.server.journal.recoverylog.JournalRecoveryLog

server

Fields inherited from interface org.fcrepo.server.journal.JournalConstants

ARGUMENT_NAME_ALT_IDS, ARGUMENT_NAME_CHECKSUM, ARGUMENT_NAME_CHECKSUM_TYPE, ARGUMENT_NAME_CONTEXT, ARGUMENT_NAME_CONTROL_GROUP, ARGUMENT_NAME_DATATYPE, ARGUMENT_NAME_DISSEMINATOR_ID, ARGUMENT_NAME_DISSEMINATOR_LABEL, ARGUMENT_NAME_DISSEMINATOR_STATE, ARGUMENT_NAME_DS_CONTENT, ARGUMENT_NAME_DS_ID, ARGUMENT_NAME_DS_LABEL, ARGUMENT_NAME_DS_LOCATION, ARGUMENT_NAME_DS_STATE, ARGUMENT_NAME_ENCODING, ARGUMENT_NAME_END_DATE, ARGUMENT_NAME_FORCE, ARGUMENT_NAME_FORMAT, ARGUMENT_NAME_FORMAT_URI, ARGUMENT_NAME_IN, ARGUMENT_NAME_IS_LITERAL, ARGUMENT_NAME_LABEL, ARGUMENT_NAME_LAST_MODIFIED_DATE, ARGUMENT_NAME_LOCATION, ARGUMENT_NAME_LOG_MESSAGE, ARGUMENT_NAME_MIME_TYPE, ARGUMENT_NAME_NAMESPACE, ARGUMENT_NAME_NEW_PID, ARGUMENT_NAME_NUM_PIDS, ARGUMENT_NAME_OBJECT, ARGUMENT_NAME_OWNERID, ARGUMENT_NAME_PID, ARGUMENT_NAME_RELATIONSHIP, ARGUMENT_NAME_SERIALIZATION, ARGUMENT_NAME_START_DATE, ARGUMENT_NAME_STATE, ARGUMENT_NAME_VERSION_DATE, ARGUMENT_NAME_VERSIONABLE, ARGUMENT_TYPE_BINDING_MAP, ARGUMENT_TYPE_BOOLEAN, ARGUMENT_TYPE_DATE, ARGUMENT_TYPE_INTEGER, ARGUMENT_TYPE_NULL, ARGUMENT_TYPE_STREAM, ARGUMENT_TYPE_STRING, ARGUMENT_TYPE_STRINGARRAY, CONTEXT_MAPNAME_ACTION, CONTEXT_MAPNAME_ENVIRONMENT, CONTEXT_MAPNAME_RECOVERY, CONTEXT_MAPNAME_RESOURCE, CONTEXT_MAPNAME_SUBJECT, DEFAULT_AGE_LIMIT, DEFAULT_FILENAME_PREFIX, DEFAULT_SIZE_LIMIT, DOCUMENT_ENCODING, DOCUMENT_VERSION, FORMAT_JOURNAL_FILENAME_TIMESTAMP, METHOD_ADD_DATASTREAM, METHOD_ADD_DISSEMINATOR, METHOD_ADD_RELATIONSHIP, METHOD_GET_NEXT_PID, METHOD_INGEST, METHOD_MODIFY_DATASTREAM_BY_REFERENCE, METHOD_MODIFY_DATASTREAM_BY_VALUE, METHOD_MODIFY_DISSEMINATOR, METHOD_MODIFY_OBJECT, METHOD_PURGE_DATASTREAM, METHOD_PURGE_DISSEMINATOR, METHOD_PURGE_OBJECT, METHOD_PURGE_RELATIONSHIP, METHOD_PUT_TEMP_STREAM, METHOD_SET_DATASTREAM_STATE, METHOD_SET_DATASTREAM_VERSIONABLE, METHOD_SET_DISSEMINATOR_STATE, PARAMETER_IGNORE_HASH, PARAMETER_JOURNAL_FILE_AGE_LIMIT, PARAMETER_JOURNAL_FILE_SIZE_LIMIT, PARAMETER_JOURNAL_FILENAME_PREFIX, PARAMETER_JOURNAL_MODE, PARAMETER_JOURNAL_READER_CLASSNAME, PARAMETER_JOURNAL_RECOVERY_LOG_CLASSNAME, PARAMETER_JOURNAL_WRITER_CLASSNAME, PARAMETER_RECOVERY_LOG_FILENAME, PARAMETER_RECOVERY_LOG_LEVEL, PASSWORD_CIPHER_TYPE, QNAME_ATTR_BIND_KEY_NAME, QNAME_ATTR_BIND_LABEL, QNAME_ATTR_CLIENT_IP, QNAME_ATTR_DATASTREAM_ID, QNAME_ATTR_DS_BIND_MAP_ID, QNAME_ATTR_DS_BIND_MAP_LABEL, QNAME_ATTR_DS_BIND_MECHANISM_PID, QNAME_ATTR_LOGIN_ID, QNAME_ATTR_METHOD, QNAME_ATTR_NAME, QNAME_ATTR_PASSWORD_TYPE, QNAME_ATTR_REPOSITORY_HASH, QNAME_ATTR_SEQ_NO, QNAME_ATTR_STATE, QNAME_ATTR_TIMESTAMP, QNAME_ATTR_TYPE, QNAME_ATTR_USERID, QNAME_TAG_ARGUMENT, QNAME_TAG_ARRAYELEMENT, QNAME_TAG_CONTEXT, QNAME_TAG_DS_BINDING, QNAME_TAG_DS_BINDING_MAP, QNAME_TAG_JOURNAL, QNAME_TAG_JOURNAL_ENTRY, QNAME_TAG_MULTI_VALUE_MAP, QNAME_TAG_MULTI_VALUE_MAP_KEY, QNAME_TAG_MULTI_VALUE_MAP_VALUE, QNAME_TAG_NOOP, QNAME_TAG_NOW, QNAME_TAG_PASSWORD, SYSTEM_PROPERTY_PREFIX, TIMESTAMP_FORMAT, VALUE_FALSE, VALUE_JOURNAL_MODE_NORMAL, VALUE_JOURNAL_MODE_RECOVER, VALUE_RECOVERY_LOG_LEVEL_HIGH, VALUE_RECOVERY_LOG_LEVEL_LOW, VALUE_RECOVERY_LOG_LEVEL_MEDIUM, VALUE_TRUE

Constructor Summary

UnbufferedJournalRecoveryLog(Map<String,String> parameters, String role, ServerInterface server)
Get the name of the logfile from the server parameters and create the file.

Method Summary

void	log(String message) A request to log a message just writes it to the log file and flushes it (if shutdown has not been called).
void	shutdown() On the first call to this method, close the log file.
String	toString()

Methods inherited from class org.fcrepo.server.journal.recoverylog.JournalRecoveryLog

getInstance, log, log, logHeaderInfo, shutdown

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

UnbufferedJournalRecoveryLog

public UnbufferedJournalRecoveryLog(Map<String,String> parameters,
                                    String role,
                                    ServerInterface server)
                             throws ModuleInitializationException

Get the name of the logfile from the server parameters and create the file.

Throws:

ModuleInitializationException

Method Detail

log

public void log(String message)

A request to log a message just writes it to the log file and flushes it (if shutdown has not been called).

Specified by:

log in class JournalRecoveryLog

shutdown

public void shutdown()

On the first call to this method, close the log file. Set the flag so no more logging calls will be accepted.

Specified by:

shutdown in class JournalRecoveryLog

toString

public String toString()

Overrides:

toString in class Object