ru.tinkoff.kora.grpc.DynamicServerInterceptor Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of grpc Show documentation

Kora grpc module

There is a newer version: 1.0.0.RC5

package ru.tinkoff.kora.grpc;


import io.grpc.Metadata;
import io.grpc.ServerCall;
import io.grpc.ServerCallHandler;
import io.grpc.ServerInterceptor;
import ru.tinkoff.kora.application.graph.RefreshListener;
import ru.tinkoff.kora.application.graph.ValueOf;

public final class DynamicServerInterceptor implements ServerInterceptor, RefreshListener {
    private volatile ServerInterceptor interceptor;
    private final ValueOf interceptorNode;

    public DynamicServerInterceptor(ValueOf interceptor) {
        this.interceptorNode = interceptor;
        this.interceptor = interceptor.get();
    }

    @Override
    public  ServerCall.Listener interceptCall(ServerCall call, Metadata headers, ServerCallHandler next) {
        return interceptor.interceptCall(call, headers, next);
    }

    @Override
    public void graphRefreshed() {
        this.interceptor = interceptorNode.get();
    }

}