hibernate-demo/json-columns/src/test/java/com/ankurm/jsoncolumns/SqlLog.java

package com.ankurm.jsoncolumns;

import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import org.hibernate.resource.jdbc.spi.StatementInspector;

/** Hibernate statement inspector that records every SQL string. Registered by {@link Db} via a Hibernate property. */
public class SqlLog implements StatementInspector {
    private static final List<String> LOG = new CopyOnWriteArrayList<>();

    @Override
    public String inspect(String sql) { LOG.add(sql); return sql; }

    public static void clear() { LOG.clear(); }

    public static List<String> take() { List<String> copy = List.copyOf(LOG); LOG.clear(); return copy; }
}