org.apache.pulsar.metadata.api.MetadataStoreException Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.pulsar.metadata.api;
import java.io.IOException;
import java.util.concurrent.CompletionException;
import java.util.concurrent.ExecutionException;
/**
* Generic metadata store exception.
*/
public class MetadataStoreException extends IOException {
public MetadataStoreException(Throwable t) {
super(t);
}
public MetadataStoreException(String msg) {
super(msg);
}
public MetadataStoreException(String msg, Throwable t) {
super(msg, t);
}
/**
* Implementation is invalid.
*/
public static class InvalidImplementationException extends MetadataStoreException {
public InvalidImplementationException() {
super((Throwable) null);
}
public InvalidImplementationException(Throwable t) {
super(t);
}
public InvalidImplementationException(String msg) {
super(msg);
}
}
/**
* Key not found in store.
*/
public static class NotFoundException extends MetadataStoreException {
public NotFoundException() {
super((Throwable) null);
}
public NotFoundException(Throwable t) {
super(t);
}
public NotFoundException(String msg) {
super(msg);
}
}
/**
* Key was already in store.
*/
public static class AlreadyExistsException extends MetadataStoreException {
public AlreadyExistsException(Throwable t) {
super(t);
}
public AlreadyExistsException(String msg) {
super(msg);
}
}
/**
* Unsuccessful update due to mismatched expected version.
*/
public static class BadVersionException extends MetadataStoreException {
public BadVersionException(Throwable t) {
super(t);
}
public BadVersionException(String msg) {
super(msg);
}
}
/**
* Failed to de-serialize the metadata.
*/
public static class ContentDeserializationException extends MetadataStoreException {
public ContentDeserializationException(String msg, Throwable t) {
super(msg, t);
}
public ContentDeserializationException(Throwable t) {
super(t);
}
public ContentDeserializationException(String msg) {
super(msg);
}
}
/**
* A resource lock is already taken by a different instance.
*/
public static class LockBusyException extends MetadataStoreException {
public LockBusyException() {
super((Throwable) null);
}
public LockBusyException(Throwable t) {
super(t);
}
public LockBusyException(String msg) {
super(msg);
}
}
/**
* The store was already closed.
*/
public static class AlreadyClosedException extends MetadataStoreException {
public AlreadyClosedException() {
super("The metadata store is closed");
}
public AlreadyClosedException(Throwable t) {
super(t);
}
public AlreadyClosedException(String msg) {
super(msg);
}
}
public static class InvalidPathException extends MetadataStoreException {
public InvalidPathException(String path) {
super("Path(" + path + ") is invalid");
}
}
public static MetadataStoreException unwrap(Throwable t) {
if (t instanceof MetadataStoreException) {
return (MetadataStoreException) t;
} else if (t instanceof RuntimeException) {
throw (RuntimeException) t;
} else if (t instanceof InterruptedException) {
return new MetadataStoreException(t);
} else if (!(t instanceof ExecutionException) && !(t instanceof CompletionException)) {
// Generic exception
return new MetadataStoreException(t);
}
// Unwrap the exception to keep the same exception type but a stack trace that includes the application calling
// site
Throwable cause = t.getCause();
String msg = cause.getMessage();
if (cause instanceof NotFoundException) {
return new NotFoundException(msg);
} else if (cause instanceof AlreadyExistsException) {
return new AlreadyExistsException(msg);
} else if (cause instanceof BadVersionException) {
return new BadVersionException(msg);
} else if (cause instanceof ContentDeserializationException) {
return new ContentDeserializationException(msg);
} else if (cause instanceof InvalidImplementationException) {
return new InvalidImplementationException(msg);
} else if (cause instanceof LockBusyException) {
return new LockBusyException(msg);
} else {
return new MetadataStoreException(t);
}
}
public static MetadataStoreException wrap(Throwable t) {
if (t instanceof MetadataStoreException) {
return (MetadataStoreException) t;
} else {
return new MetadataStoreException(t);
}
}
}