47 lines
1.7 KiB
Java
47 lines
1.7 KiB
Java
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```java title="DiskCache.java"
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import com.kreuzberg.*;
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import java.nio.file.Files;
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import java.nio.file.Paths;
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public final class DiskCache {
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private DiskCache() {}
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public static void main(String[] args) throws Exception {
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String cacheDir = System.getProperty("user.home") + "/.cache/kreuzberg";
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Files.createDirectories(Paths.get(cacheDir));
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CacheConfig cacheConfig = new CacheConfig(
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cacheDir,
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500L * 1024 * 1024,
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7L * 86400,
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true
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);
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ExtractionConfig config = new ExtractionConfig.Builder()
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.useCache(true)
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.cacheConfig(cacheConfig)
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.build();
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Kreuzberg kreuzberg = new Kreuzberg(config);
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System.out.println("First extraction (will be cached)...");
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ExtractionResult result1 = kreuzberg.extractFile("document.pdf");
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System.out.println(" - Content length: " + result1.content().length());
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System.out.println(" - Cached: " + result1.metadata().wasCached());
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System.out.println("\nSecond extraction (from cache)...");
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ExtractionResult result2 = kreuzberg.extractFile("document.pdf");
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System.out.println(" - Content length: " + result2.content().length());
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System.out.println(" - Cached: " + result2.metadata().wasCached());
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System.out.println("\nResults are identical: " + result1.content().equals(result2.content()));
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CacheStats cacheStats = kreuzberg.getCacheStats();
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System.out.println("\nCache Statistics:");
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System.out.println(" - Total entries: " + cacheStats.totalEntries());
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System.out.println(" - Cache size: " + String.format("%.1f", cacheStats.cacheSizeBytes() / 1024.0 / 1024.0) + " MB");
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System.out.println(" - Hit rate: " + String.format("%.1f", cacheStats.hitRate() * 100) + "%");
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}
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}
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```
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