com.metamatrix.connector.metadata.index
Class MetadataConnectorMetadata

java.lang.Object
  com.metamatrix.query.metadata.BasicQueryMetadata
      com.metamatrix.modeler.transformation.metadata.TransformationMetadata
          com.metamatrix.modeler.transformation.metadata.ServerRuntimeMetadata
              com.metamatrix.connector.metadata.index.MetadataConnectorMetadata

All Implemented Interfaces:

QueryMetadataInterface

public class MetadataConnectorMetadata
extends ServerRuntimeMetadata

Extends the ServerRuntimeMetadata class with additional methods for querying the indexes.

Field Summary

Fields inherited from class com.metamatrix.modeler.transformation.metadata.TransformationMetadata

columnComparator, DELIMITER_CHAR, DELIMITER_STRING, NOT_EXISTS_MESSAGE

Fields inherited from interface com.metamatrix.query.metadata.QueryMetadataInterface

UNKNOWN_CARDINALITY

Constructor Summary

MetadataConnectorMetadata(VdbMetadataContext context)
Constructor MetadataConnectorMetadata.

Method Summary

protected java.util.Collection	findMetadataRecords(java.lang.String indexName, java.util.Map criteria, boolean returnFirstMatch) Return all index records in the index file that match the given critera.
protected java.util.Collection	getFileRecords(java.util.Map criteria, boolean returnFirstMatch) Get all the file records for the available files in vdbs given the match criteria
protected java.util.Collection	getMetadataRecords(IEntryResult[] results, java.util.Map criteria, boolean hasCaseFunctions) Return the collection of MetadataRecord objects built from the specified array of IEntryResult.
java.util.Collection	getObjects(java.lang.String tableName, java.util.Map criteria) Get the metadataRecords by querying the indexFile with the given table name and a Map of criteria to be applied to limit the results.

Methods inherited from class com.metamatrix.modeler.transformation.metadata.ServerRuntimeMetadata

getIndexes, queryIndex

Methods inherited from class com.metamatrix.modeler.transformation.metadata.TransformationMetadata

elementSupports, filterMetadataRecordForUUID, findChildRecords, findChildRecordsForColumns, findChildRecordsWithoutFiltering, findMetadataRecord, findMetadataRecords, findMetadataRecords, getAccessPatternsInGroup, getBinaryVDBResource, getCardinality, getCharacterVDBResource, getContext, getDatatypeRecord, getDatatypeUUIDMatchPattern, getDefaultValue, getDeletePlan, getDistinctValues, getElementID, getElementIDsInAccessPattern, getElementIDsInGroupID, getElementIDsInIndex, getElementIDsInKey, getElementLength, getElementType, getExtensionProperties, getForeignKeysInGroup, getFormat, getFullElementName, getFullName, getGroupID, getGroupIDForElementID, getGroupName, getGroupsForPartialName, getIndexesInGroup, getIndexSelector, getInsertPlan, getMappingNode, getMatchPattern, getMaterialization, getMaterializationStage, getMaximumValue, getMaxSetSize, getMinimumValue, getModeledBaseType, getModeledPrimitiveType, getModeledType, getModelID, getNameInSource, getNativeType, getNullValues, getParentPrefixPattern, getPosition, getPrecision, getPrefixPattern, getPrimaryKeyIDForForeignKeyID, getRadix, getRecordByType, getScale, getShortElementName, getStoredProcedureInfoForProcedure, getUniqueKeysInGroup, getUpdatePlan, getUUIDMatchPattern, getUUIDPrefixPattern, getVDBResourcePaths, getVirtualDatabaseName, getVirtualPlan, getXMLSchemas, getXMLTempGroups, groupSupports, hasMaterialization, isProcedure, isTemporaryGroup, isVirtualGroup, isVirtualModel, isXMLGroup, modelSupports, queryIndex, queryIndex

Methods inherited from class com.metamatrix.query.metadata.BasicQueryMetadata

addToMetadataCache, getFromMetadataCache, isScalarGroup, isTemporaryTable

Methods inherited from class java.lang.Object

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

Constructor Detail

MetadataConnectorMetadata

public MetadataConnectorMetadata(VdbMetadataContext context)

Constructor MetadataConnectorMetadata.

Parameters:

context - The context object used to pass in info needed by metadata

Since:

4.3

Method Detail

getObjects

public java.util.Collection getObjects(java.lang.String tableName,
                                       java.util.Map criteria)

Get the metadataRecords by querying the indexFile with the given table name and a Map of criteria to be applied to limit the results.

Parameters:

tableName - The name of index file with/out a record seperator

criteria - Map of fieldNames to MetadataSearchCriteria objects

Returns:

Collection of metadata records.

Since:

4.3

findMetadataRecords

protected java.util.Collection findMetadataRecords(java.lang.String indexName,
                                                   java.util.Map criteria,
                                                   boolean returnFirstMatch)
                                            throws MetaMatrixComponentException

Return all index records in the index file that match the given critera.

Parameters:

indexName - The name of the index file to be searched

criteria - Map of fieldNames to MetadataSearchCriteria objects used to search

returnFirstMatch - Boolean indicating if first match is to be returned

Returns:

Collection of metadata records

Throws:

QueryMetadataException

MetaMatrixComponentException

getMetadataRecords

protected java.util.Collection getMetadataRecords(IEntryResult[] results,
                                                  java.util.Map criteria,
                                                  boolean hasCaseFunctions)
                                           throws MetaMatrixComponentException

Return the collection of MetadataRecord objects built from the specified array of IEntryResult. The resultant collection will be filtered based on the supplied criteria to ensure no MetadataRecord instances are returned that do not match the criteria

Parameters:

results - The array of IEntryResult instances

criteria - Map of fieldNames to MetadataSearchCriteria objects to use

Returns:

Collection of metadata records

Throws:

QueryMetadataException

MetaMatrixComponentException

getFileRecords

protected java.util.Collection getFileRecords(java.util.Map criteria,
                                              boolean returnFirstMatch)

Get all the file records for the available files in vdbs given the match criteria

Parameters:

criteria - Map of fieldNames to MetadataSearchCriteria objects used to search

returnFirstMatch - Boolean indicating if first match is to be returned

Returns:

Collection of file records

Throws:

MetaMatrixComponentException

Since:

4.3