private static void addNamesFromStatistics( Set<String> names, VariableKind variableKind, @Nullable String propertyName, @Nullable PsiType type) { String[] allNames = JavaStatisticsManager.getAllVariableNamesUsed(variableKind, propertyName, type); int maxFrequency = 0; for (String name : allNames) { int count = JavaStatisticsManager.getVariableNameUseCount(name, variableKind, propertyName, type); maxFrequency = Math.max(maxFrequency, count); } int frequencyLimit = Math.max(5, maxFrequency / 2); for (String name : allNames) { if (names.contains(name)) { continue; } int count = JavaStatisticsManager.getVariableNameUseCount(name, variableKind, propertyName, type); if (LOG.isDebugEnabled()) { LOG.debug("new name:" + name + " count:" + count); LOG.debug("frequencyLimit:" + frequencyLimit); } if (count >= frequencyLimit) { names.add(name); } } if (propertyName != null && type != null) { addNamesFromStatistics(names, variableKind, propertyName, null); addNamesFromStatistics(names, variableKind, null, type); } }