io.github.afezeria.freedao.classic.runtime.context.DaoContext Maven / Gradle / Ivy

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package io.github.afezeria.freedao.classic.runtime.context;

import io.github.afezeria.freedao.classic.runtime.ResultHandler;
import io.github.afezeria.freedao.classic.runtime.SqlExecutor;
import io.github.afezeria.freedao.classic.runtime.SqlSignature;

import javax.sql.DataSource;
import java.sql.Connection;
import java.util.List;
import java.util.Objects;
import java.util.function.Function;

/**
 *
 */
public abstract class DaoContext {
    private DaoContext delegate;

    public synchronized void setDelegate(DaoContext delegate) {
        Objects.requireNonNull(delegate);
        if (this.delegate == null) {
            this.delegate = delegate;
        }
    }

    public DaoContext getDelegate() {
        if (delegate == null) {
            throw new IllegalStateException("uninitialized context");
        }
        return delegate;
    }

    public  T withConnection(Function supplier) {
        return getDelegate().withConnection(supplier);
    }


    public Object[] buildSql(SqlSignature signature, Object[] args, Function buildSqlClosure) {
        return getDelegate().buildSql(signature, args, buildSqlClosure);
    }

    public  T execute(SqlSignature signature, Object[] methodArgs, String sql, List