LogCommitter

Logs data associated with every document crawled without saving them.

committer/coreJavadoc: LogCommitter

Notes

Logs all document data to the application log without saving the documents to any persistent store. Useful for debugging and development to inspect what documents and fields the crawler produces. Not intended for production use.

Usage

YAML

class: LogCommitter
fieldMappings: {}
fieldMatcher:
  ignoreCase: false
  ignoreDiacritic: false
  matchEmpty: false
  method: BASIC
  negateMatches: false
  partial: false
  pattern: string
  replaceAll: false
  trim: false
ignoreContent: false
logLevel: TRACE
restrictions:
  - fieldMatcher: {}
    valueMatcher: {}

JSON

{
  "class": "LogCommitter",
  "fieldMappings": {},
  "fieldMatcher": {
    "ignoreCase": false,
    "ignoreDiacritic": false,
    "matchEmpty": false,
    "method": "BASIC",
    "negateMatches": false,
    "partial": false,
    "pattern": "string",
    "replaceAll": false,
    "trim": false
  },
  "ignoreContent": false,
  "logLevel": "TRACE",
  "restrictions": [
    {
      "fieldMatcher": {},
      "valueMatcher": {}
    }
  ]
}

XML

<logCommitter>
  <class>LogCommitter</class>
  <fieldMappings/>
  <fieldMatcher>
    <ignoreCase>false</ignoreCase>
    <ignoreDiacritic>false</ignoreDiacritic>
    <matchEmpty>false</matchEmpty>
    <method>BASIC</method>
    <negateMatches>false</negateMatches>
    <partial>false</partial>
    <pattern>string</pattern>
    <replaceAll>false</replaceAll>
    <trim>false</trim>
  </fieldMatcher>
  <ignoreContent>false</ignoreContent>
  <logLevel>TRACE</logLevel>
  <restrictions>
    <restriction>
      <fieldMatcher/>
      <valueMatcher/>
    </restriction>
  </restrictions>
</logCommitter>

Properties

Property	Type	Required	Default
fieldMappings	Record<string, string>	No	-
fieldMatcher	TextMatcher	No	TextMatcher
ignoreContent	boolean	No	false
logLevel	enum	No	-
restrictions	PropertyMatcher[]	No	-

Property Details

fieldMappings

Mapping of source fields to target ones to be logged.

fieldMatcher

Log values of matching field names. Leave empty to log values from all fields.

ignoreContent

Do not log document content.

logLevel

The log level used when printing values.

Allowed Values

• TRACE
• DEBUG
• INFO
• WARN
• ERROR
• STDOUT
• STDERR

restrictions

Defines filter conditions that restrict which documents this committer processes. Documents not matching the restrictions are ignored by this committer.