/**
* Copyright (C) 2014 Couchbase, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALING
* IN THE SOFTWARE.
*/
package com.couchbase.client.java;
import com.couchbase.client.core.ClusterFacade;
import com.couchbase.client.core.CouchbaseCore;
import com.couchbase.client.core.CouchbaseException;
import com.couchbase.client.core.message.CouchbaseResponse;
import com.couchbase.client.core.message.ResponseStatus;
import com.couchbase.client.core.message.cluster.DisconnectRequest;
import com.couchbase.client.core.message.cluster.DisconnectResponse;
import com.couchbase.client.core.message.cluster.OpenBucketRequest;
import com.couchbase.client.core.message.cluster.SeedNodesRequest;
import com.couchbase.client.java.cluster.AsyncClusterManager;
import com.couchbase.client.java.cluster.DefaultAsyncClusterManager;
import com.couchbase.client.java.document.Document;
import com.couchbase.client.java.env.CouchbaseEnvironment;
import com.couchbase.client.java.env.DefaultCouchbaseEnvironment;
import com.couchbase.client.java.transcoder.Transcoder;
import rx.Observable;
import rx.functions.Func1;
import java.net.InetSocketAddress;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class CouchbaseAsyncCluster implements AsyncCluster {
private static final String DEFAULT_BUCKET = "default";
private static final String DEFAULT_HOST = "127.0.0.1";
private final ClusterFacade core;
private final CouchbaseEnvironment environment;
private final ConnectionString connectionString;
private final boolean sharedEnvironment;
public static CouchbaseAsyncCluster create() {
return create(DEFAULT_HOST);
}
public static CouchbaseAsyncCluster create(final CouchbaseEnvironment environment) {
return create(environment, DEFAULT_HOST);
}
public static CouchbaseAsyncCluster create(final String... nodes) {
return create(Arrays.asList(nodes));
}
public static CouchbaseAsyncCluster create(final List<String> nodes) {
return new CouchbaseAsyncCluster(DefaultCouchbaseEnvironment.create(), ConnectionString.fromHostnames(nodes), false);
}
public static CouchbaseAsyncCluster create(final CouchbaseEnvironment environment, final String... nodes) {
return create(environment, Arrays.asList(nodes));
}
public static CouchbaseAsyncCluster create(final CouchbaseEnvironment environment, final List<String> nodes) {
return new CouchbaseAsyncCluster(environment, ConnectionString.fromHostnames(nodes), true);
}
public static CouchbaseAsyncCluster fromConnectionString(final String connectionString) {
return new CouchbaseAsyncCluster(DefaultCouchbaseEnvironment.create(), ConnectionString.create(connectionString), false);
}
public static CouchbaseAsyncCluster fromConnectionString(final CouchbaseEnvironment environment, final String connectionString) {
return new CouchbaseAsyncCluster(environment, ConnectionString.create(connectionString), true);
}
CouchbaseAsyncCluster(final CouchbaseEnvironment environment, final ConnectionString connectionString, final boolean sharedEnvironment) {
this.sharedEnvironment = sharedEnvironment;
core = new CouchbaseCore(environment);
List<String> seedNodes = new ArrayList<String>();
for (InetSocketAddress node : connectionString.hosts()) {
seedNodes.add(node.getHostName());
}
if (seedNodes.isEmpty()) {
seedNodes.add(DEFAULT_HOST);
}
SeedNodesRequest request = new SeedNodesRequest(seedNodes);
core.send(request).toBlocking().single();
this.environment = environment;
this.connectionString = connectionString;
}
@Override
public Observable<AsyncBucket> openBucket() {
return openBucket(DEFAULT_BUCKET);
}
@Override
public Observable<AsyncBucket> openBucket(final String name) {
return openBucket(name, null);
}
@Override
public Observable<AsyncBucket> openBucket(final String name, final String pass) {
return openBucket(name, pass, null);
}
@Override
public Observable<AsyncBucket> openBucket(final String name, String pass,
final List<Transcoder<? extends Document, ?>> transcoders) {
final String password = pass == null ? "" : pass;
final List<Transcoder<? extends Document, ?>> trans = transcoders == null
? new ArrayList<Transcoder<? extends Document, ?>>() : transcoders;
return core
.send(new OpenBucketRequest(name, password))
.map(new Func1<CouchbaseResponse, AsyncBucket>() {
@Override
public AsyncBucket call(CouchbaseResponse response) {
if (response.status() != ResponseStatus.SUCCESS) {
throw new CouchbaseException("Could not open bucket.");
}
return new CouchbaseAsyncBucket(core, name, password, trans);
}
}).onErrorReturn(new Func1<Throwable, AsyncBucket>() {
@Override
public AsyncBucket call(Throwable throwable) {
if (throwable instanceof CouchbaseException) {
throw (CouchbaseException) throwable;
}
throw new CouchbaseException(throwable);
}
});
}
@Override
public Observable<Boolean> disconnect() {
return core
.<DisconnectResponse>send(new DisconnectRequest())
.flatMap(new Func1<DisconnectResponse, Observable<Boolean>>() {
@Override
public Observable<Boolean> call(DisconnectResponse disconnectResponse) {
return sharedEnvironment ? Observable.just(true) : environment.shutdown();
}
});
}
@Override
public Observable<AsyncClusterManager> clusterManager(final String username, final String password) {
return Observable.just((AsyncClusterManager) DefaultAsyncClusterManager.create(username, password, connectionString,
environment, core));
}
@Override
public Observable<ClusterFacade> core() {
return Observable.just(core);
}
}