package com.github.davidmoten.rx.jdbc; import com.github.davidmoten.guavamini.Preconditions; class ConnectionProviderBatch implements ConnectionProvider { private final int batchSize; private final ConnectionProvider cp; private ConnectionBatch con; ConnectionProviderBatch(ConnectionProvider cp, int batchSize) { Preconditions.checkNotNull(cp, "cp should not be null"); this.cp = cp; this.batchSize = batchSize; } @Override public ConnectionBatch get() { if (con == null) { con = new ConnectionBatch(cp.get(), batchSize); } return con; } @Override public void close() { cp.close(); } }