/*
 * Copyright DataStax, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.datastax.oss.driver.api.core.servererrors;

import com.datastax.oss.driver.api.core.AllNodesFailedException;
import com.datastax.oss.driver.api.core.ConsistencyLevel;
import com.datastax.oss.driver.api.core.DriverException;
import com.datastax.oss.driver.api.core.cql.ExecutionInfo;
import com.datastax.oss.driver.api.core.metadata.Node;
import com.datastax.oss.driver.api.core.retry.RetryPolicy;
import com.datastax.oss.driver.api.core.session.Request;
import edu.umd.cs.findbugs.annotations.NonNull;

/**
 * The result of a CAS operation is in an unknown state.
 *
 * <p>This exception is processed by {@link RetryPolicy#onErrorResponseVerdict(Request,
 * CoordinatorException, int)} , which will decide if it is rethrown directly to the client or if
 * the request should be retried. If all other tried nodes also fail, this exception will appear in
 * the {@link AllNodesFailedException} thrown to the client.
 */
public class CASWriteUnknownException extends QueryConsistencyException {

  public CASWriteUnknownException(
      @NonNull Node coordinator,
      @NonNull ConsistencyLevel consistencyLevel,
      int received,
      int blockFor) {
    this(
        coordinator,
        String.format(
            "CAS operation result is unknown - proposal was not accepted by a quorum. (%d / %d)",
            received, blockFor),
        consistencyLevel,
        received,
        blockFor,
        null,
        false);
  }

  private CASWriteUnknownException(
      @NonNull Node coordinator,
      @NonNull String message,
      @NonNull ConsistencyLevel consistencyLevel,
      int received,
      int blockFor,
      ExecutionInfo executionInfo,
      boolean writableStackTrace) {
    super(
        coordinator,
        message,
        consistencyLevel,
        received,
        blockFor,
        executionInfo,
        writableStackTrace);
  }

  @NonNull
  @Override
  public DriverException copy() {
    return new CASWriteUnknownException(
        getCoordinator(),
        getMessage(),
        getConsistencyLevel(),
        getReceived(),
        getBlockFor(),
        getExecutionInfo(),
        true);
  }
}
