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Java JDBC 4.2 (JRE 8+) driver for YugaByte SQL database
/*
* Copyright (c) 2003, PostgreSQL Global Development Group
* See the LICENSE file in the project root for more information.
*/
package org.postgresql.core;
import org.checkerframework.checker.nullness.qual.Nullable;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.util.List;
/**
* Internal to the driver class, please do not use in the application.
*
* The class simplifies creation of ResultHandler delegates: it provides default implementation
* for the interface methods
*/
public class ResultHandlerDelegate implements ResultHandler {
private final @Nullable ResultHandler delegate;
public ResultHandlerDelegate(@Nullable ResultHandler delegate) {
this.delegate = delegate;
}
@Override
public void handleResultRows(Query fromQuery, Field[] fields, List tuples,
@Nullable ResultCursor cursor) {
if (delegate != null) {
delegate.handleResultRows(fromQuery, fields, tuples, cursor);
}
}
@Override
public void handleCommandStatus(String status, long updateCount, long insertOID) {
if (delegate != null) {
delegate.handleCommandStatus(status, updateCount, insertOID);
}
}
@Override
public void handleWarning(SQLWarning warning) {
if (delegate != null) {
delegate.handleWarning(warning);
}
}
@Override
public void handleError(SQLException error) {
if (delegate != null) {
delegate.handleError(error);
}
}
@Override
public void handleCompletion() throws SQLException {
if (delegate != null) {
delegate.handleCompletion();
}
}
@Override
public void secureProgress() {
if (delegate != null) {
delegate.secureProgress();
}
}
@Override
public @Nullable SQLException getException() {
if (delegate != null) {
return delegate.getException();
}
return null;
}
@Override
public @Nullable SQLWarning getWarning() {
if (delegate != null) {
return delegate.getWarning();
}
return null;
}
}