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    • org.babyfish.jimmer.sql.runtime.Executor Maven / Gradle / Ivy

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    package org.babyfish.jimmer.sql.runtime;

import org.babyfish.jimmer.meta.ImmutableProp;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.slf4j.Logger;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.List;
import java.util.function.BiFunction;

public interface Executor {

     R execute(@NotNull Args args);

    BatchContext executeBatch(
            @NotNull Connection con,
            @NotNull String sql,
            @Nullable ImmutableProp generatedIdProp,
            @NotNull ExecutionPurpose purpose,
            @NotNull JSqlClientImplementor sqlClient
    );

    /**
     * This method will never be invoked unless the current operation is `Query.forEach`
     *
     * 
    For `Query.forEach`, SQL execution result log have to be printed after children fetching,
     * this method can give SQL logger a chance to print SQL before children fetching
    
     */
    default void openCursor(
            long cursorId,
            String sql,
            List variables,
            List variablePositions,
            ExecutionPurpose purpose,
            @Nullable ExecutorContext ctx,
            JSqlClientImplementor sqlClient
    ) {}

    static Executor log() {
        return ExecutorForLog.wrap(DefaultExecutor.INSTANCE, null);
    }

    static Executor log(Executor executor) {
        return ExecutorForLog.wrap(executor, null);
    }

    static Executor log(Logger logger) {
        return ExecutorForLog.wrap(DefaultExecutor.INSTANCE, logger);
    }

    static Executor log(Executor executor, Logger logger) {
        return ExecutorForLog.wrap(executor, logger);
    }

    class Args implements ExceptionTranslator.Args {

        public final JSqlClientImplementor sqlClient;

        public final Connection con;

        public final String sql;

        public final List variables;

        @Nullable
        public final List variablePositions;

        public final ExecutionPurpose purpose;

        @Nullable
        public final ExecutorContext ctx;

        public final StatementFactory statementFactory;

        public final SqlFunction block;

        /**
         * If non-null, it means the current callback is not normal operation,
         * but `Query.forEach`
         */
        @Nullable
        public final Long closingCursorId;

        public Args(
                JSqlClientImplementor sqlClient,
                Connection con,
                String sql,
                List variables,
                @Nullable List variablePositions,
                ExecutionPurpose purpose,
                @Nullable
                StatementFactory statementFactory,
                SqlFunction block
        ) {
            this.sqlClient = sqlClient;
            this.con = con;
            this.sql = sql;
            this.variables = variables;
            this.variablePositions = variablePositions;
            this.purpose = purpose;
            this.ctx = ExecutorContext.create(sqlClient);
            this.statementFactory = statementFactory;
            this.block = block;
            this.closingCursorId = null;
        }

        public Args(
                JSqlClientImplementor sqlClient,
                Connection con,
                String sql,
                List variables,
                @Nullable List variablePositions,
                ExecutionPurpose purpose,
                @Nullable
                StatementFactory statementFactory,
                SqlFunction block,
                long closingCursorId
        ) {
            this.sqlClient = sqlClient;
            this.con = con;
            this.sql = sql;
            this.variables = variables;
            this.variablePositions = variablePositions;
            this.purpose = purpose;
            this.ctx = ExecutorContext.create(sqlClient);
            this.statementFactory = statementFactory;
            this.block = block;
            this.closingCursorId = closingCursorId;
        }

        @Override
        public JSqlClientImplementor sqlClient() {
            return sqlClient;
        }

        @Override
        public String sql() {
            return sql;
        }

        @Override
        public ExecutionPurpose purpose() {
            return purpose;
        }

        @Override
        public ExecutorContext ctx() {
            return ctx;
        }
    }

    interface BatchContext extends ExceptionTranslator.Args, AutoCloseable {
        JSqlClientImplementor sqlClient();
        String sql();
        ExecutionPurpose purpose();
        ExecutorContext ctx();
        void add(List variables);
        int[] execute(BiFunction exceptionTranslator);
        Object[] generatedIds();
        void addExecutedListener(Runnable listener);

        @Override
        void close();
    }
}
    
    
    
    

    




    
    
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