Java tutorial
/** * 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.shell; import com.couchbase.client.CouchbaseClient; import com.couchbase.client.CouchbaseClientIF; import com.couchbase.client.CouchbaseQueryClient; import com.couchbase.client.mapping.QueryResult; import net.spy.memcached.CASValue; import net.spy.memcached.internal.OperationFuture; import org.springframework.stereotype.Component; import java.net.URI; import java.util.Arrays; import java.util.Properties; /** * Basic encapsulation for a {@link com.couchbase.client.CouchbaseClient}. */ @Component public class CouchbaseShell { private boolean connected; private CouchbaseClientIF client; private String bucket; private boolean hasQuery; public CouchbaseShell() { connected = false; hasQuery = false; Properties systemProperties = System.getProperties(); systemProperties.put("net.spy.log.LoggerImpl", "net.spy.memcached.compat.log.Log4JLogger"); System.setProperties(systemProperties); } public boolean connect(String hostname, String bucket, String password, String query) throws Exception { this.bucket = bucket; if (connected) { return true; } if (query != null && !query.isEmpty()) { client = new CouchbaseQueryClient(Arrays.asList(hostname), Arrays.asList(query), bucket, password); hasQuery = true; } else { client = new CouchbaseClient(Arrays.asList(new URI("http://" + hostname + ":8091/pools")), bucket, password); } connected = true; return true; } public boolean hasQuery() { return hasQuery; } public void disconnect() { client.shutdown(); client = null; connected = false; } public boolean isConnected() { return connected; } public QueryResult query(String query) { if (hasQuery) { return ((CouchbaseQueryClient) client).query(query); } else { throw new IllegalStateException("Not connected to N1QL"); } } public int countDocs() { // TODO: load lis return 0; } public String getBucket() { return bucket; } OperationFuture<CASValue<Object>> get(String key) { return (OperationFuture<CASValue<Object>>) client.asyncGets(key); } OperationFuture<Boolean> set(String key, Object value, int exp) { return (OperationFuture<Boolean>) client.set(key, exp, value); } OperationFuture<Boolean> add(String key, Object value, int exp) { return (OperationFuture<Boolean>) client.add(key, exp, value); } OperationFuture<Boolean> replace(String key, Object value, int exp) { return (OperationFuture<Boolean>) client.replace(key, exp, value); } OperationFuture<Boolean> delete(String key) { return (OperationFuture<Boolean>) client.delete(key); } }