Java RangeSlicesQuery.addEqualsExpression方法代码示例

import me.prettyprint.hector.api.query.RangeSlicesQuery; //导入方法依赖的package包/类
@Override
public List<ArtifactMetadata> getArtifacts( final String repositoryId )
    throws MetadataRepositoryException
{

    RangeSlicesQuery<String, String, String> query = HFactory //
        .createRangeSlicesQuery( keyspace, ss, ss, ss ) //
        .setColumnFamily( cassandraArchivaManager.getArtifactMetadataFamilyName() ) //
        .setColumnNames( ArtifactMetadataModel.COLUMNS ); //

    query = query.addEqualsExpression( REPOSITORY_NAME.toString(), repositoryId );

    QueryResult<OrderedRows<String, String, String>> result = query.execute();

    List<ArtifactMetadata> artifactMetadatas = new ArrayList<>( result.get().getCount() );

    for ( Row<String, String, String> row : result.get() )
    {
        ColumnSlice<String, String> columnSlice = row.getColumnSlice();

        artifactMetadatas.add( mapArtifactMetadataStringColumnSlice( columnSlice ) );

    }

    return artifactMetadatas;
}
 

import me.prettyprint.hector.api.query.RangeSlicesQuery; //导入方法依赖的package包/类
@Override
public List<ArtifactMetadata> getArtifactsByMetadata( String key, String value, String repositoryId )
    throws MetadataRepositoryException
{
    RangeSlicesQuery<String, String, String> query =
        HFactory.createRangeSlicesQuery( keyspace, ss, ss, ss ) //
        .setColumnFamily( cassandraArchivaManager.getMetadataFacetFamilyName() ) //
        .setColumnNames( MetadataFacetModel.COLUMNS ) //
        .addEqualsExpression( VALUE.toString(), value );

    if ( key != null )
    {
        query.addEqualsExpression( KEY.toString(), key ); //
    }
    if ( repositoryId != null )
    {
        query.addEqualsExpression( "repositoryName", repositoryId );
    }

    QueryResult<OrderedRows<String, String, String>> metadataFacetResult = query.execute();
    if ( metadataFacetResult.get() == null || metadataFacetResult.get().getCount() < 1 )
    {
        return Collections.emptyList();
    }

    List<ArtifactMetadata> artifactMetadatas = new LinkedList<ArtifactMetadata>();

    // TODO doing multiple queries, there should be a way to get all the artifactMetadatas for any number of
    // projects
    for ( Row<String, String, String> row : metadataFacetResult.get() )
    {
        QueryResult<OrderedRows<String, String, String>> artifactMetadataResult =
            HFactory.createRangeSlicesQuery( keyspace, ss, ss, ss ) //
            .setColumnFamily( cassandraArchivaManager.getArtifactMetadataFamilyName() ) //
            .setColumnNames( ArtifactMetadataModel.COLUMNS ) //
            .setRowCount( Integer.MAX_VALUE ) //
            .addEqualsExpression( REPOSITORY_NAME.toString(),
                                  getStringValue( row.getColumnSlice(), REPOSITORY_NAME ) ) //
            .addEqualsExpression( NAMESPACE_ID.toString(), getStringValue( row.getColumnSlice(), NAMESPACE_ID ) ) //
            .addEqualsExpression( PROJECT.toString(), getStringValue( row.getColumnSlice(), PROJECT_ID ) ) //
            .addEqualsExpression( PROJECT_VERSION.toString(),
                                  getStringValue( row.getColumnSlice(), PROJECT_VERSION ) ) //
            .execute();

        if ( artifactMetadataResult.get() == null || artifactMetadataResult.get().getCount() < 1 )
        {
            return Collections.emptyList();
        }

        for ( Row<String, String, String> artifactMetadataRow : artifactMetadataResult.get() )
        {
            artifactMetadatas.add( mapArtifactMetadataStringColumnSlice( artifactMetadataRow.getColumnSlice() ) );
        }
    }

    return mapArtifactMetadataToArtifact( metadataFacetResult, artifactMetadatas );
}
 

import me.prettyprint.hector.api.query.RangeSlicesQuery; //导入方法依赖的package包/类
/**
 * Lists the users in the user store.
 */
@Override
protected String[] doListUsers(String filter, int maxItemLimit) throws UserStoreException {

    List<String> users = new ArrayList<String>();
    int arrayLength = 0;

    if (maxItemLimit == 0) {
        return new String[0];
    }

    int givenMax = UserCoreConstants.MAX_USER_ROLE_LIST;

    try {
        givenMax = Integer.parseInt(realmConfig
                .getUserStoreProperty(UserCoreConstants.RealmConfig.PROPERTY_MAX_USER_LIST));
    } catch (Exception e) {
        givenMax = UserCoreConstants.MAX_USER_ROLE_LIST;

        if (log.isDebugEnabled()) {
            log.debug("Realm configuration maximum not set : Using User Core Constant value instead!", e);
        }
    }

    if (maxItemLimit < 0 || maxItemLimit > givenMax) {
        maxItemLimit = givenMax;
    }

    RangeSlicesQuery<String, String, String> rangeSliceQuery = HFactory.createRangeSlicesQuery(keyspace,
            stringSerializer, stringSerializer, stringSerializer);

    rangeSliceQuery.setColumnFamily(CFConstants.UM_USER);
    rangeSliceQuery.setRange(filter, null, false, Integer.MAX_VALUE);
    rangeSliceQuery.addEqualsExpression(CFConstants.UM_TENANT_ID, tenantIdString);

    // TODO - Need to check how to use the filter for range
    rangeSliceQuery.setKeys("", "");
    rangeSliceQuery.setRowCount(maxItemLimit);
    QueryResult<OrderedRows<String, String, String>> result = rangeSliceQuery.execute();
    if (result != null) {
        OrderedRows<String, String, String> rows = result.get();
        if (rows.getCount() <= 0) {
            // reformatted to avoid nesting too many blocks
            return users.toArray(new String[arrayLength]);

        }
        arrayLength = rows.getCount();

        Iterator<Row<String, String, String>> rowsIterator = rows.iterator();

        while (rowsIterator.hasNext()) {
            Row<String, String, String> row = rowsIterator.next();
            if (row.getColumnSlice().getColumnByName(CFConstants.UM_USER_ID).getValue() != null) {
                String name = row.getColumnSlice().getColumnByName(CFConstants.UM_USER_NAME).getValue();
                // append the domain if exist
                name = UserCoreUtil.addDomainToName(name, domain);
                users.add(name);
            }
        }

    }
    return users.toArray(new String[arrayLength]);

}
 

import me.prettyprint.hector.api.query.RangeSlicesQuery; //导入方法依赖的package包/类
/**
 * Get the role names in the roles store.
 */
@Override
public String[] doGetRoleNames(String filter, int maxItemLimit) throws UserStoreException {
    List<String> roles = new ArrayList<String>();

    if (maxItemLimit == 0) {
        return new String[0];
    }

    int givenMax = UserCoreConstants.MAX_USER_ROLE_LIST;

    try {
        givenMax = Integer.parseInt(realmConfig
                .getUserStoreProperty(UserCoreConstants.RealmConfig.PROPERTY_MAX_ROLE_LIST));
    } catch (Exception e) {
        givenMax = UserCoreConstants.MAX_USER_ROLE_LIST;

        if (log.isDebugEnabled()) {
            log.debug("Realm configuration maximum not set : Using User Core Constant value instead!", e);
        }
    }

    if (maxItemLimit < 0 || maxItemLimit > givenMax) {
        maxItemLimit = givenMax;
    }

    int arrayLength = 0;
    String domain = realmConfig.getUserStoreProperty(UserCoreConstants.RealmConfig.PROPERTY_DOMAIN_NAME);
    RangeSlicesQuery<String, String, String> rangeSliceQuery = HFactory.createRangeSlicesQuery(keyspace,
            stringSerializer, stringSerializer, stringSerializer);
    rangeSliceQuery.setColumnFamily(CFConstants.UM_ROLES);
    rangeSliceQuery.setRange(null, null, false, Integer.MAX_VALUE);
    rangeSliceQuery.addEqualsExpression(CFConstants.UM_TENANT_ID, tenantIdString);
    rangeSliceQuery.setKeys("", "");
    rangeSliceQuery.setRowCount(maxItemLimit);
    QueryResult<OrderedRows<String, String, String>> result = rangeSliceQuery.execute();
    if (result != null) {
        OrderedRows<String, String, String> rows = result.get();
        if (rows.getCount() <= 0) {
            return roles.toArray(new String[arrayLength]);
        }
        arrayLength = rows.getCount();

        Iterator<Row<String, String, String>> rowsIterator = rows.iterator();

        while (rowsIterator.hasNext()) {
            Row<String, String, String> row = rowsIterator.next();
            if (row.getColumnSlice().getColumnByName(CFConstants.UM_ROLE_NAME).getValue() != null) {
                String name = row.getColumnSlice().getColumnByName(CFConstants.UM_ROLE_NAME).getValue();
                // append the domain if exist
                name = UserCoreUtil.addDomainToName(name, domain);
                roles.add(name);
            }
        }

    }
    return roles.toArray(new String[arrayLength]);
}