java-project/baiyue-firstleg
4
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix(selfop): preserve exact diagnostic decimals in JSON evidence

Browse Source
This commit is contained in:
ouyangxq
2026-10-14 05:05:23 +08:00
parent 913b9e9262
commit 4ae158c93e
3 changed files with 91 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lastleg-service/src/main/java/com/baiyue/lastleg/selfoperated/analytics/diagnostic/QuantityDiagnosticService.java
+34 -2
View File
@@ -5,6 +5,14 @@ import static com.baiyue.lastleg.selfoperated.analytics.diagnostic.QuantityDiagn
import com.baiyue.lastleg.selfoperated.analytics.model.SelfopSyncTask;
import com.baiyue.lastleg.selfoperated.analytics.model.SelfopCollectionPolicy;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.std.StdSerializer;
import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;
import java.io.IOException;
import java.math.BigDecimal;
import com.zaxxer.hikari.HikariDataSource;
import jakarta.annotation.PreDestroy;
import javax.sql.DataSource;
@@ -37,7 +45,7 @@ public class QuantityDiagnosticService {
@Autowired
public QuantityDiagnosticService(DataSource source, ObjectMapper json, QuantityDiagnosticProperties config) {
this.json=json.copy().disable(com.fasterxml.jackson.databind.SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
this.json=storageMapper(json);
this.config=config; this.clock=Clock.systemUTC();
// Separate, bounded connection acquisition. Diagnostics cannot exhaust the collection pool.
if(config.enabled()) {
@@ -55,7 +63,7 @@ public class QuantityDiagnosticService {
}
QuantityDiagnosticService(JdbcTemplate jdbc,PlatformTransactionManager manager,ObjectMapper json,
QuantityDiagnosticProperties config,Clock clock) {
this.jdbc=jdbc;this.json=json.copy().disable(com.fasterxml.jackson.databind.SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
this.jdbc=jdbc;this.json=storageMapper(json);
this.config=config;this.clock=clock;tx=new TransactionTemplate(manager);tx.setTimeout(3);
}
@PreDestroy public void close(){if(pool!=null)pool.close();}
@@ -204,6 +212,30 @@ public class QuantityDiagnosticService {
}
private String encode(Object value){try{return json.writeValueAsString(value);}catch(Exception e){throw invalid("DIAGNOSTIC_ENCODING_FAILED");}}
private <T>T decode(String value,Class<T> type){try{return json.readValue(value,type);}catch(Exception e){throw new IllegalStateException("DIAGNOSTIC_STORAGE_INVALID");}}
/** Storage-only codec. The controller and Integration wire codec continue using numeric BigDecimal. */
private static ObjectMapper storageMapper(ObjectMapper source) {
var module=new SimpleModule("quantity-diagnostic-storage-decimals");
module.addSerializer(BigDecimal.class,new StdSerializer<BigDecimal>(BigDecimal.class) {
@Override public void serialize(BigDecimal value,JsonGenerator generator,
com.fasterxml.jackson.databind.SerializerProvider provider)throws IOException {
generator.writeString(value.stripTrailingZeros().toPlainString());
}
});
module.addDeserializer(BigDecimal.class,new StdDeserializer<BigDecimal>(BigDecimal.class) {
@Override public BigDecimal deserialize(JsonParser parser,
com.fasterxml.jackson.databind.DeserializationContext context)throws IOException {
// New grants never read historical numeric evidence; no numeric fallback/coercion.
if(!parser.hasToken(JsonToken.VALUE_STRING))throw new IOException("DIAGNOSTIC_STORAGE_DECIMAL_REQUIRED");
String text=parser.getText();
if(!text.matches("(?:0|[1-9][0-9]{0,31})(?:\\.[0-9]{1,6})?"))throw new IOException("DIAGNOSTIC_STORAGE_DECIMAL_INVALID");
BigDecimal value=new BigDecimal(text);
if(!text.equals(value.stripTrailingZeros().toPlainString()))throw new IOException("DIAGNOSTIC_STORAGE_DECIMAL_NOT_CANONICAL");
return value;
}
});
return source.copy().disable(com.fasterxml.jackson.databind.SerializationFeature.WRITE_DATES_AS_TIMESTAMPS)
.registerModule(module);
}
private static int size(String s){return s.getBytes(StandardCharsets.UTF_8).length;}
private static String hash(String s){try{return HexFormat.of().formatHex(MessageDigest.getInstance("SHA-256").digest(s.getBytes(StandardCharsets.UTF_8)));}catch(Exception e){throw new IllegalStateException(e);}}
public record Pair(Event list,Event detail){}