com.google.api.gax.rpc.FixedTransportChannelProvider Maven / Gradle / Ivy
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package com.google.api.gax.rpc;
import com.google.api.core.BetaApi;
import com.google.api.core.InternalExtensionOnly;
import com.google.common.base.Preconditions;
import java.io.IOException;
import java.util.Map;
import java.util.concurrent.ScheduledExecutorService;
/** An instance of TransportChannelProvider that always provides the same TransportChannel. */
@InternalExtensionOnly
public class FixedTransportChannelProvider implements TransportChannelProvider {
private final TransportChannel transportChannel;
private FixedTransportChannelProvider(TransportChannel transportChannel) {
this.transportChannel = Preconditions.checkNotNull(transportChannel);
}
@Override
public boolean shouldAutoClose() {
return false;
}
@Override
public boolean needsExecutor() {
return false;
}
@Override
public FixedTransportChannelProvider withExecutor(ScheduledExecutorService executor) {
throw new UnsupportedOperationException(
"FixedTransportChannelProvider doesn't need an executor");
}
@Override
@BetaApi("The surface for customizing headers is not stable yet and may change in the future.")
public boolean needsHeaders() {
return false;
}
@Override
@BetaApi("The surface for customizing headers is not stable yet and may change in the future.")
public FixedTransportChannelProvider withHeaders(Map headers) {
throw new UnsupportedOperationException("FixedTransportChannelProvider doesn't need headers");
}
@Override
public boolean needsEndpoint() {
return false;
}
@Override
public TransportChannelProvider withEndpoint(String endpoint) {
throw new UnsupportedOperationException(
"FixedTransportChannelProvider doesn't need an endpoint");
}
@Override
@BetaApi("The surface for customizing pool size is not stable yet and may change in the future.")
public boolean acceptsPoolSize() {
return false;
}
@Override
@BetaApi("The surface for customizing pool size is not stable yet and may change in the future.")
public TransportChannelProvider withPoolSize(int size) {
throw new UnsupportedOperationException(
"FixedTransportChannelProvider doesn't allow pool size customization");
}
@Override
public TransportChannel getTransportChannel() throws IOException {
return transportChannel;
}
@Override
public String getTransportName() {
return transportChannel.getTransportName();
}
/** Creates a FixedTransportChannelProvider. */
public static FixedTransportChannelProvider create(TransportChannel transportChannel) {
return new FixedTransportChannelProvider(transportChannel);
}
}