Removed unused pooled connection eviction check (eclipse-vertx#1126)

Closes eclipse-vertx#1125 Signed-off-by: Thomas Segismont <tsegismont@gmail.com>

Author: tsegismont

vertx-sql-client/src/main/java/io/vertx/sqlclient/impl/PoolImpl.java

@@ -32,7 +32,6 @@
 import io.vertx.sqlclient.impl.tracing.QueryTracer;
 import io.vertx.sqlclient.spi.Driver;
 
-import java.util.List;
 import java.util.function.Function;
 import java.util.function.Supplier;
 
@@ -224,8 +223,4 @@ private Future<Void> doClose() {
  public int size() {
  return pool.size();
  }
-
- public void check(Handler<AsyncResult<List<Integer>>> handler) {
- pool.check(handler);
- }
 }

vertx-sql-client/src/main/java/io/vertx/sqlclient/impl/pool/SqlConnectionPool.java

@@ -36,7 +36,6 @@
 import io.vertx.sqlclient.spi.ConnectionFactory;
 import io.vertx.core.*;
 
-import java.util.ArrayList;
 import java.util.List;
 import java.util.function.Function;
 import java.util.function.Supplier;
@@ -149,13 +148,10 @@ public <R> Future<R> execute(ContextInternal context, CommandBase<R> cmd) {
  if (ar.succeeded()) {
  Lease<PooledConnection> lease = ar.result();
  PooledConnection pooled = lease.get();
- pooled.inflight++;
- pooled.num++;
  pooled.schedule(context, cmd)
  .onComplete(promise)
  .onComplete(v -> {
  pooled.expirationTimestamp = System.currentTimeMillis() + idleTimeout;
- pooled.inflight--;
  lease.recycle();
  });
  } else {
@@ -231,8 +227,6 @@ public class PooledConnection implements Connection, Connection.Holder {
  private Holder holder;
  private Lease<PooledConnection> lease;
  public long expirationTimestamp;
- private int inflight;
- private int num;
  private boolean initialized;
  private Handler<AsyncResult<PooledConnection>> continuation;
 
@@ -356,14 +350,4 @@ public int getSecretKey() {
  return conn.getSecretKey();
  }
  }
-
- public void check(Handler<AsyncResult<List<Integer>>> handler) {
- List<Integer> list = new ArrayList<>();
- pool.evict(pred -> {
- list.add(pred.num);
- return false;
- }, ar -> {
- handler.handle(Future.succeededFuture(list));
- });
- }
 }