goldenChat base source add

2026-05-23 15:11:48 +09:00
commit a4ea7762b5
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+/*
+ * SPDX-License-Identifier: MIT
+ */
+package ta4jexamples.wyckoff;
+
+import java.util.Locale;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.ta4j.core.BarSeries;
+import org.ta4j.core.indicators.wyckoff.WyckoffCycleAnalysisRunner;
+import org.ta4j.core.indicators.wyckoff.WyckoffCycleFacade;
+import org.ta4j.core.indicators.wyckoff.WyckoffCycleType;
+import org.ta4j.core.indicators.wyckoff.WyckoffPhase;
+import ta4jexamples.datasources.CsvFileBarSeriesDataSource;
+
+/**
+ * Demonstrates Wyckoff cycle indicator-suite and one-shot analysis entry
+ * points.
+ */
+public final class WyckoffCycleIndicatorSuiteDemo {
+
+    private static final Logger LOG = LogManager.getLogger(WyckoffCycleIndicatorSuiteDemo.class);
+
+    /**
+     * Creates a new WyckoffCycleIndicatorSuiteDemo instance.
+     */
+    private WyckoffCycleIndicatorSuiteDemo() {
+    }
+
+    /**
+     * Executes the demo entry point.
+     */
+    public static void main(String[] args) {
+        BarSeries series = CsvFileBarSeriesDataSource.loadSeriesFromFile();
+
+        var numFactory = series.numFactory();
+        WyckoffCycleFacade facade = WyckoffCycleFacade.builder(series)
+                .withSwingConfiguration(3, 3, 1)
+                .withVolumeWindows(5, 20)
+                .withTolerances(numFactory.numOf(0.02), numFactory.numOf(0.05))
+                .withVolumeThresholds(numFactory.numOf(1.5), numFactory.numOf(0.7))
+                .build();
+
+        int begin = series.getBeginIndex() + facade.unstableBars();
+        for (int i = begin; i <= series.getEndIndex(); i++) {
+            WyckoffPhase phase = facade.phase(i);
+            if (phase.cycleType() == WyckoffCycleType.UNKNOWN) {
+                continue;
+            }
+            if (facade.lastPhaseTransitionIndex(i) != i) {
+                continue;
+            }
+            var bar = series.getBar(i);
+            var low = facade.tradingRangeLow(i);
+            var high = facade.tradingRangeHigh(i);
+            LOG.info("{} -> {} {} (confidence={}, range=[{}, {}])", bar.getEndTime(), phase.cycleType(),
+                    phase.phaseType(), String.format(Locale.US, "%.2f", phase.confidence()), low, high);
+        }
+
+        var analysis = WyckoffCycleAnalysisRunner.builder()
+                .withSwingConfiguration(3, 3, 1)
+                .withVolumeWindows(5, 20)
+                .withTolerances(0.02, 0.05)
+                .withVolumeThresholds(1.5, 0.7)
+                .build();
+
+        var result = analysis.analyze(series);
+        result.baseAnalysis()
+                .ifPresent(base -> LOG.info("One-shot analysis transitions: {}",
+                        base.cycleSnapshot().transitions().size()));
+    }
+}