| package edu.uci.ics.asterix.runtime.evaluators.functions; |
| |
| import edu.uci.ics.asterix.common.functions.FunctionConstants; |
| import edu.uci.ics.asterix.runtime.evaluators.base.AbstractScalarFunctionDynamicDescriptor; |
| import edu.uci.ics.asterix.runtime.evaluators.common.SimilarityJaccardPrefixEvaluator; |
| import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException; |
| import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier; |
| import edu.uci.ics.hyracks.algebricks.runtime.base.IEvaluator; |
| import edu.uci.ics.hyracks.algebricks.runtime.base.IEvaluatorFactory; |
| import edu.uci.ics.hyracks.dataflow.common.data.accessors.IDataOutputProvider; |
| |
| public class SimilarityJaccardPrefixDescriptor extends AbstractScalarFunctionDynamicDescriptor { |
| |
| private static final long serialVersionUID = 1L; |
| private final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS, |
| "similarity-jaccard-prefix", 6, true); |
| |
| @Override |
| public IEvaluatorFactory createEvaluatorFactory(final IEvaluatorFactory[] args) throws AlgebricksException { |
| return new IEvaluatorFactory() { |
| private static final long serialVersionUID = 1L; |
| |
| @Override |
| public IEvaluator createEvaluator(final IDataOutputProvider output) throws AlgebricksException { |
| return new SimilarityJaccardPrefixEvaluator(args, output); |
| } |
| }; |
| } |
| |
| @Override |
| public FunctionIdentifier getIdentifier() { |
| return FID; |
| } |
| |
| } |