[#absl-LogEntry]
= xref:absl.adoc[absl]::LogEntry
:relfileprefix: ../
:mrdocs:

Represents a single entry in a log, i.e., one `LOG` statement or failed `CHECK`.

== Synopsis

Declared in `<absl/log/log_entry.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class LogEntry final
----

== Description

`LogEntry` is thread‐compatible.

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:absl/LogEntry/tid_t.adoc[`tid_t`] 
| Type used to represent a thread ID.
|===


== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:absl/LogEntry/2constructor.adoc[`LogEntry`]         [.small]#[constructor]# [.small]#[deleted]#
| Deleted; pass `LogEntry` by reference instead, and do not store it as its state does not outlive the call to `LogSink::Send()`.
| xref:absl/LogEntry/operator_assign.adoc[`operator=`]  [.small]#[deleted]#
| Deleted; instances are not copy‐assignable.
| xref:absl/LogEntry/encoded_message.adoc[`encoded_message`] 
| Returns a serialized protobuf holding the operands streamed into this log message. The message definition is not yet published.
| xref:absl/LogEntry/log_severity.adoc[`log_severity`] 
| Returns this entry's severity. For `LOG`, taken from the first argument; for `CHECK`, always `absl::LogSeverity::kFatal`.
| xref:absl/LogEntry/prefix.adoc[`prefix`] 
| Returns true unless the metadata prefix was suppressed once by `LOG(...).NoPrefix()` or globally by `absl::EnableLogPrefix(false)`. Implies `text_message_with_prefix() == text_message()`.
| xref:absl/LogEntry/source_basename.adoc[`source_basename`] 
| Returns the source file base name where the log message occurred.
| xref:absl/LogEntry/source_filename.adoc[`source_filename`] 
| Returns the source file name where the log message occurred, taken from `*FILE*` unless overridden by `LOG(...).AtLocation(...)`.
| xref:absl/LogEntry/source_line.adoc[`source_line`] 
| Returns the source line where the log message occurred, taken from `*LINE*` unless overridden by `LOG(...).AtLocation(...)`.
| xref:absl/LogEntry/stacktrace.adoc[`stacktrace`] 
| Returns the optional stacktrace, e.g. for `FATAL` logs and failed `CHECK`s.
| xref:absl/LogEntry/text_message.adoc[`text_message`] 
| Returns the text‐formatted message without its metadata prefix and without a trailing newline.
| xref:absl/LogEntry/text_message_with_newline.adoc[`text_message_with_newline`] 
| Returns the text‐formatted message without its metadata prefix, with a trailing newline.
| xref:absl/LogEntry/text_message_with_prefix.adoc[`text_message_with_prefix`] 
| Returns the text‐formatted message including its metadata prefix, but without a trailing newline.
| xref:absl/LogEntry/text_message_with_prefix_and_newline.adoc[`text_message_with_prefix_and_newline`] 
| Returns the text‐formatted message including its metadata prefix and trailing newline.
| xref:absl/LogEntry/text_message_with_prefix_and_newline_c_str.adoc[`text_message_with_prefix_and_newline_c_str`] 
| Returns a nul‐terminated C string of the text‐formatted message including its metadata prefix and trailing newline.
| xref:absl/LogEntry/tid.adoc[`tid`] 
| Returns the ID of the thread that wrote this entry. Captured during evaluation of `LOG`, but can be overridden by `LOG(...).WithThreadID(...)`.
| xref:absl/LogEntry/timestamp.adoc[`timestamp`] 
| Returns the time at which this entry was written. Captured during evaluation of `LOG`, but can be overridden by `LOG(...).WithTimestamp(...)`.
| xref:absl/LogEntry/verbosity.adoc[`verbosity`] 
| Returns this entry's verbosity, or `kNoVerbosityLevel` for a non‐verbose entry. Taken from the argument to `VLOG` or from `LOG(...).WithVerbosity(...)`.
|===


== Static Data Members

[cols="1,4"]
|===
| Name| Description
| xref:absl/LogEntry/kNoVerboseLevel.adoc[`kNoVerboseLevel`] 
| Deprecated alias for `kNoVerbosityLevel`, to be removed.
| xref:absl/LogEntry/kNoVerbosityLevel.adoc[`kNoVerbosityLevel`] 
| For non‐verbose log entries, `verbosity()` returns `kNoVerbosityLevel`.
|===


== Friends

[cols="1,4"]
|===
| Name| Description
| `xref:absl/PrintTo.adoc[absl::PrintTo]`
| Writes a human‐readable representation of `entry` to `os`, e.g. for use by test frameworks such as GoogleTest.
| `absl::log_internal::LogMessage`
| 
|===


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