org.teiid.metadata.index
Class SimpleIndexUtil

java.lang.Object
  org.teiid.metadata.index.SimpleIndexUtil

public class SimpleIndexUtil
extends Object

IndexUtil

Field Summary

static boolean

CASE_SENSITIVE_INDEX_FILE_NAMES

Constructor Summary

SimpleIndexUtil()

Method Summary

static Index[]	getIndexes(String indexName, Index[] indexes) Return an array of indexes given a indexName.
static String	getIndexFileNameForRecordType(char recordType) Return the name of the index file to use for the specified record type, applies only for sever and vdb index files.
static IEntryResult[]	queryIndex(Index[] indexes, char[] pattern, boolean isPrefix, boolean isCaseSensitive, boolean returnFirstMatch) Return all index file records that match the specified record prefix or pattern.

Methods inherited from class java.lang.Object

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

Field Detail

CASE_SENSITIVE_INDEX_FILE_NAMES

public static final boolean CASE_SENSITIVE_INDEX_FILE_NAMES

See Also:

Constant Field Values

Constructor Detail

SimpleIndexUtil

public SimpleIndexUtil()

Method Detail

queryIndex

public static IEntryResult[] queryIndex(Index[] indexes,
                                        char[] pattern,
                                        boolean isPrefix,
                                        boolean isCaseSensitive,
                                        boolean returnFirstMatch)
                                 throws TeiidException

Return all index file records that match the specified record prefix or pattern. The pattern can be constructed from any combination of characters including the multiple character wildcard '*' and single character wildcard '?'. The prefix may be constructed from any combination of characters excluding the wildcard characters. The prefix specifies a fixed number of characters that the index record must start with.

Parameters:

monitor - an optional ProgressMonitor

indexes - the array of MtkIndex instances to query

pattern -

Returns:

results

Throws:

MetamatrixCoreException

TeiidException

getIndexes

public static Index[] getIndexes(String indexName,
                                 Index[] indexes)

Return an array of indexes given a indexName.

Parameters:

indexName - The shortName of the index file

selector - The indexSelector to lookup indexes

Returns:

An array of indexes, may be duplicates depending on index selector.

Throws:

MetamatrixCoreException - If there is an error looking up indexes

Since:

4.2

getIndexFileNameForRecordType

public static String getIndexFileNameForRecordType(char recordType)

Return the name of the index file to use for the specified record type, applies only for sever and vdb index files.

Parameters:

recordType -

Returns: