org.apache.nutch.metadata

Interface Nutch

All Known Implementing Classes:

Metadata, SpellCheckedMetadata

public interface Nutch

A collection of Nutch internal metadata constants.

Author:

Chris Mattmann, Jérôme Charron

Field Summary

Fields

Modifier and Type	Field and Description
static String	CACHING_FORBIDDEN_ALL Don't show either original forbidden content or summaries.
static String	CACHING_FORBIDDEN_CONTENT Don't show original forbidden content, but show summaries.
static String	CACHING_FORBIDDEN_KEY Sites may request that search engines don't provide access to cached documents.
static String	CACHING_FORBIDDEN_NONE Show both original forbidden content and summaries (default).
static String	CHAR_ENCODING_FOR_CONVERSION
static String	FETCH_STATUS_KEY
static String	FETCH_TIME_KEY
static String	FIXED_INTERVAL_KEY Used by AdaptiveFetchSchedule to maintain custom fetch interval
static String	GENERATE_TIME_KEY
static String	ORIGINAL_CHAR_ENCODING
static String	PROTO_STATUS_KEY
static String	REPR_URL_KEY
static String	SCORE_KEY
static String	SEGMENT_NAME_KEY
static String	SIGNATURE_KEY
static org.apache.hadoop.io.Text	WRITABLE_FIXED_INTERVAL_KEY
static org.apache.hadoop.io.Text	WRITABLE_GENERATE_TIME_KEY
static org.apache.hadoop.io.Text	WRITABLE_PROTO_STATUS_KEY
static org.apache.hadoop.io.Text	WRITABLE_REPR_URL_KEY

Field Detail

ORIGINAL_CHAR_ENCODING

static final String ORIGINAL_CHAR_ENCODING

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Constant Field Values

CHAR_ENCODING_FOR_CONVERSION

static final String CHAR_ENCODING_FOR_CONVERSION

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Constant Field Values

SIGNATURE_KEY

static final String SIGNATURE_KEY

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Constant Field Values

SEGMENT_NAME_KEY

static final String SEGMENT_NAME_KEY

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Constant Field Values

SCORE_KEY

static final String SCORE_KEY

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Constant Field Values

GENERATE_TIME_KEY

static final String GENERATE_TIME_KEY

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Constant Field Values

WRITABLE_GENERATE_TIME_KEY

static final org.apache.hadoop.io.Text WRITABLE_GENERATE_TIME_KEY

PROTO_STATUS_KEY

static final String PROTO_STATUS_KEY

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Constant Field Values

WRITABLE_PROTO_STATUS_KEY

static final org.apache.hadoop.io.Text WRITABLE_PROTO_STATUS_KEY

FETCH_TIME_KEY

static final String FETCH_TIME_KEY

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Constant Field Values

FETCH_STATUS_KEY

static final String FETCH_STATUS_KEY

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Constant Field Values

CACHING_FORBIDDEN_KEY

static final String CACHING_FORBIDDEN_KEY

Sites may request that search engines don't provide access to cached documents.

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Constant Field Values

CACHING_FORBIDDEN_NONE

static final String CACHING_FORBIDDEN_NONE

Show both original forbidden content and summaries (default).

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Constant Field Values

CACHING_FORBIDDEN_ALL

static final String CACHING_FORBIDDEN_ALL

Don't show either original forbidden content or summaries.

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Constant Field Values

CACHING_FORBIDDEN_CONTENT

static final String CACHING_FORBIDDEN_CONTENT

Don't show original forbidden content, but show summaries.

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Constant Field Values

REPR_URL_KEY

static final String REPR_URL_KEY

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Constant Field Values

WRITABLE_REPR_URL_KEY

static final org.apache.hadoop.io.Text WRITABLE_REPR_URL_KEY

FIXED_INTERVAL_KEY

static final String FIXED_INTERVAL_KEY

Used by AdaptiveFetchSchedule to maintain custom fetch interval

See Also:

Constant Field Values

WRITABLE_FIXED_INTERVAL_KEY

static final org.apache.hadoop.io.Text WRITABLE_FIXED_INTERVAL_KEY