[framework] TxCore → common-framework (ACM-FW-001)

boot/common-framework/src/main/java/com/klaro/acquirecore/framework/DefaultTxService.java

@@ -0,0 +1,48 @@
+package com.klaro.acquirecore.framework;
+
+import org.springframework.stereotype.Service;
+
+/**
+ * Default implementation of TxService.
+ * Provides base transaction service functionality.
+ */
+@Service
+public class DefaultTxService implements TxService {
+
+    private final String serviceName;
+    private final TxTemplate txTemplate;
+
+    public DefaultTxService() {
+        this("default");
+    }
+
+    public DefaultTxService(String serviceName) {
+        this.serviceName = serviceName;
+        this.txTemplate = new TxTemplate();
+    }
+
+    @Override
+    public String getServiceName() {
+        return serviceName;
+    }
+
+    @Override
+    public <T> TxResult<T> execute(TxServiceRegistry.TxOperation<T> operation) {
+        return txTemplate.execute(serviceName, operation);
+    }
+
+    @Override
+    public TxContext beginTransaction() {
+        return txTemplate.txBegin(serviceName);
+    }
+
+    @Override
+    public TxResult<Void> commit(TxContext context) {
+        return txTemplate.txCommit(context);
+    }
+
+    @Override
+    public TxResult<Void> rollback(TxContext context, String reason) {
+        return txTemplate.txRollback(context, reason);
+    }
+}