/** * AnalyzerBeans * Copyright (C) 2014 Neopost - Customer Information Management * * This copyrighted material is made available to anyone wishing to use, modify, * copy, or redistribute it subject to the terms and conditions of the GNU * Lesser General Public License, as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License * for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this distribution; if not, write to: * Free Software Foundation, Inc. * 51 Franklin Street, Fifth Floor * Boston, MA 02110-1301 USA */ package org.eobjects.analyzer.result; import java.util.Collection; /** * Interface for analyzer results that generally work as "value counters". Such * results have counted the occurrence of certain values, as well as some * (optional) value types like unique values, unexpected values etc. */ public interface ValueCountingAnalyzerResult extends AnalyzerResult { public String getName(); public Collection<ValueFrequency> getValueCounts(); /** * Gets a {@link ValueFrequency} list similar to that of * {@link #getValueCounts()}, but allowing the underlying implementation to * reduce the list by building {@link CompositeValueFrequency} objects if * necesary to reach the preferred maximum number of elements. * * @param preferredMaximum * the preferred maximum number of elements. Note that this is a * hint, but depending on the implementation and the data, it * might not always be possible to reduce to this preferred * maximum. * @return */ public Collection<ValueFrequency> getReducedValueFrequencies(int preferredMaximum); public int getNullCount(); public int getTotalCount(); public Integer getCount(String value); public Integer getDistinctCount(); public Integer getUniqueCount(); public Integer getUnexpectedValueCount(); public boolean hasAnnotatedRows(String value); public AnnotatedRowsResult getAnnotatedRowsForValue(String value); public AnnotatedRowsResult getAnnotatedRowsForNull(); public AnnotatedRowsResult getAnnotatedRowsForUnexpectedValues(); public Collection<String> getUniqueValues(); }