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com.ait.tooling.server.mongodb.MongoDB Maven / Gradle / Ivy
/*
* Copyright (c) 2017 Ahome' Innovation Technologies. All rights reserved.
*
* 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.ait.tooling.server.mongodb;
import static com.mongodb.client.model.Filters.and;
import static com.mongodb.client.model.Filters.eq;
import static com.mongodb.client.model.Filters.exists;
import static com.mongodb.client.model.Filters.gt;
import static com.mongodb.client.model.Filters.gte;
import static com.mongodb.client.model.Filters.in;
import static com.mongodb.client.model.Filters.lt;
import static com.mongodb.client.model.Filters.lte;
import static com.mongodb.client.model.Filters.ne;
import static com.mongodb.client.model.Filters.nin;
import static com.mongodb.client.model.Filters.not;
import static com.mongodb.client.model.Filters.or;
import java.io.Closeable;
import java.io.IOException;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import org.apache.log4j.Logger;
import org.bson.BSON;
import org.bson.BsonDocument;
import org.bson.BsonInt32;
import org.bson.BsonValue;
import org.bson.Document;
import org.bson.Transformer;
import org.bson.codecs.configuration.CodecRegistry;
import org.bson.conversions.Bson;
import org.bson.types.ObjectId;
import com.ait.tooling.common.api.java.util.StringOps;
import com.ait.tooling.server.core.json.JSONUtils;
import com.ait.tooling.server.mongodb.support.spring.IMongoDBCollectionOptions;
import com.ait.tooling.server.mongodb.support.spring.IMongoDBOptions;
import com.mongodb.MongoClient;
import com.mongodb.MongoClientOptions;
import com.mongodb.MongoCredential;
import com.mongodb.ReadPreference;
import com.mongodb.ServerAddress;
import com.mongodb.WriteConcern;
import com.mongodb.client.AggregateIterable;
import com.mongodb.client.FindIterable;
import com.mongodb.client.ListIndexesIterable;
import com.mongodb.client.MongoCollection;
import com.mongodb.client.MongoCursor;
import com.mongodb.client.MongoDatabase;
import com.mongodb.client.MongoIterable;
import com.mongodb.client.model.IndexOptions;
import com.mongodb.client.model.UpdateOptions;
public final class MongoDB
{
private static final Logger logger = Logger.getLogger(MongoDB.class);
private final MongoClient m_mongo;
private final String m_usedb;
private final boolean m_useid;
private final Map m_dbops;
@SuppressWarnings("unchecked")
private static final Map CAST_MAP(Map map)
{
return (Map) Objects.requireNonNull(map);
}
public MongoDB(final List addr, final List auth, final MongoClientOptions opts, final boolean repl, final String usedb, final boolean useid, final Map dbops)
{
m_useid = useid;
m_dbops = Objects.requireNonNull(dbops);
m_usedb = StringOps.requireTrimOrNull(usedb);
BSON.addEncodingHook(BigDecimal.class, new Transformer()
{
@Override
public Object transform(final Object object)
{
if (null == object)
{
return null;
}
return JSONUtils.asDouble(object);
}
});
BSON.addEncodingHook(BigInteger.class, new Transformer()
{
@Override
public Object transform(Object object)
{
if (null == object)
{
return null;
}
Long lval = JSONUtils.asLong(object);
if (null != lval)
{
return lval;
}
return JSONUtils.asInteger(object);
}
});
if (addr.isEmpty())
{
throw new IllegalArgumentException("no ServerAddress");
}
if ((addr.size() == 1) && (false == repl))
{
final ServerAddress main = addr.get(0);
if (null == main)
{
throw new IllegalArgumentException("null ServerAddress");
}
if ((null == auth) || (auth.isEmpty()))
{
m_mongo = new MongoClient(main, Objects.requireNonNull(opts));
}
else
{
m_mongo = new MongoClient(main, auth, Objects.requireNonNull(opts));
}
}
else
{
if ((null == auth) || (auth.isEmpty()))
{
m_mongo = new MongoClient(addr, Objects.requireNonNull(opts));
}
else
{
m_mongo = new MongoClient(addr, auth, Objects.requireNonNull(opts));
}
}
}
public boolean isAddingID()
{
return m_useid;
}
public void close()
{
if (null != m_mongo)
{
m_mongo.close();
}
}
public List getDatabaseNames()
{
return m_mongo.listDatabaseNames().into(new ArrayList());
}
public final MDatabase db(final String name) throws Exception
{
return db(StringOps.requireTrimOrNull(name), isAddingID());
}
public final MDatabase db() throws Exception
{
return db(m_usedb, isAddingID());
}
public final MDatabase db(String name, boolean id) throws Exception
{
name = StringOps.requireTrimOrNull(name);
IMongoDBOptions op = m_dbops.get(name);
if (null != op)
{
id = op.isCreateID();
}
return new MDatabase(m_mongo.getDatabase(name), id, op);
}
public static final class MDatabase
{
private final MongoDatabase m_db;
private final IMongoDBOptions m_op;
private final boolean m_id;
protected MDatabase(final MongoDatabase db, final boolean id, final IMongoDBOptions op) throws Exception
{
m_id = id;
m_op = op;
m_db = Objects.requireNonNull(db);
}
public boolean isCreateID()
{
return m_id;
}
public final String getName()
{
return m_db.getName();
}
public final void drop()
{
m_db.drop();
}
public final boolean isCollection(final String name)
{
return getCollectionNames().contains(StringOps.requireTrimOrNull(name));
}
public final List getCollectionNames()
{
return m_db.listCollectionNames().into(new ArrayList());
}
public final MCollection collection(String name) throws Exception
{
name = StringOps.requireTrimOrNull(name);
if (null != m_op)
{
final IMongoDBCollectionOptions cops = m_op.getCollectionOptions(name);
if (null != cops)
{
return new MCollection(m_db.getCollection(name), cops.isCreateID());
}
}
return new MCollection(m_db.getCollection(name), isCreateID());
}
public final MCollection collection(String name, final MCollectionPreferences opts) throws Exception
{
name = StringOps.requireTrimOrNull(name);
boolean crid = isCreateID();
if (null != m_op)
{
final IMongoDBCollectionOptions cops = m_op.getCollectionOptions(name);
if (null != cops)
{
crid = cops.isCreateID();
}
if ((null != opts) && (opts.isValid()))
{
return opts.withCollectionOptions(m_db.getCollection(name), crid);
}
}
return new MCollection(m_db.getCollection(name), crid);
}
}
public static final class MCollectionPreferences
{
private final WriteConcern m_write;
private final ReadPreference m_prefs;
private final CodecRegistry m_codec;
public MCollectionPreferences(final WriteConcern write, final ReadPreference prefs, final CodecRegistry codec)
{
m_write = write;
m_prefs = prefs;
m_codec = codec;
}
public MCollectionPreferences(final WriteConcern write)
{
this(write, null, null);
}
public MCollectionPreferences(final ReadPreference prefs)
{
this(null, prefs, null);
}
public MCollectionPreferences(final CodecRegistry codec)
{
this(null, null, codec);
}
public MCollectionPreferences(final WriteConcern write, final ReadPreference prefs)
{
this(write, prefs, null);
}
public MCollectionPreferences(final WriteConcern write, final CodecRegistry codec)
{
this(write, null, codec);
}
public MCollectionPreferences(final ReadPreference prefs, final CodecRegistry codec)
{
this(null, prefs, codec);
}
final boolean isValid()
{
return (false == ((null == m_write) && (null == m_prefs) && (null == m_codec)));
}
final MCollection withCollectionOptions(final MongoCollection collection, boolean id)
{
return new MCollection(withCodecRegistry(withReadPreference(withWriteConcern(collection, m_write), m_prefs), m_codec), id);
}
private final static MongoCollection withWriteConcern(final MongoCollection collection, final WriteConcern write)
{
if (null == write)
{
return collection;
}
return collection.withWriteConcern(write);
}
private final static MongoCollection withReadPreference(final MongoCollection collection, final ReadPreference prefs)
{
if (null == prefs)
{
return collection;
}
return collection.withReadPreference(prefs);
}
private final static MongoCollection withCodecRegistry(final MongoCollection collection, final CodecRegistry codec)
{
if (null == codec)
{
return collection;
}
return collection.withCodecRegistry(codec);
}
}
public static final class MCollection
{
private final MongoCollection m_collection;
private final boolean m_id;
protected MCollection(final MongoCollection collection, final boolean id)
{
m_collection = Objects.requireNonNull(collection);
m_id = id;
}
public boolean isCreateID()
{
return m_id;
}
public final String getName()
{
return m_collection.getNamespace().getCollectionName();
}
public final String createIndex(final Map keys)
{
return m_collection.createIndex(new Document(CAST_MAP(keys)));
}
public final String createIndex(final Map keys, final String name)
{
return m_collection.createIndex(new Document(CAST_MAP(keys)), new IndexOptions().name(Objects.requireNonNull(name)));
}
public final String createIndex(final Map keys, final IndexOptions opts)
{
return m_collection.createIndex(new Document(CAST_MAP(keys)), Objects.requireNonNull(opts));
}
public final MCollection dropIndex(final String name)
{
m_collection.dropIndex(Objects.requireNonNull(name));
return this;
}
public final MCollection dropIndexes()
{
m_collection.dropIndexes();
return this;
}
public final MIndexCursor getIndexes()
{
return new MIndexCursor(m_collection.listIndexes());
}
@SafeVarargs
public final MAggregateCursor aggregate(final T... list)
{
return aggregate(new MAggregationPipeline(Objects.requireNonNull(list)));
}
public final MAggregateCursor aggregate(final List list)
{
return aggregate(new MAggregationPipeline(Objects.requireNonNull(list)));
}
public final MAggregateCursor aggregate(final MAggregationPipeline pipeline)
{
return new MAggregateCursor(m_collection.aggregate(Objects.requireNonNull(pipeline.list())));
}
public final void drop()
{
m_collection.drop();
}
public final MCollection deleteMany(final Map query)
{
return deleteMany(new MQuery(Objects.requireNonNull(query)));
}
public final MCollection deleteMany(final MQuery query)
{
m_collection.deleteMany(Objects.requireNonNull(query));
return this;
}
public final MCollection deleteOne(final Map query)
{
return deleteOne(new MQuery(Objects.requireNonNull(query)));
}
public final MCollection deleteOne(final MQuery query)
{
m_collection.deleteOne(Objects.requireNonNull(query));
return this;
}
@SuppressWarnings("unchecked")
public final Map ensureHasID(final Map update)
{
Objects.requireNonNull(update);
final Object id = update.get("id");
if ((false == (id instanceof String)) || (null == StringOps.toTrimOrNull(id.toString())))
{
((Map) update).put("id", (new ObjectId()).toString());
}
return update;
}
public final Map insertOne(final Map record)
{
if (isCreateID())
{
final Map withid = ensureHasID(Objects.requireNonNull(record));
m_collection.insertOne(new Document(CAST_MAP(withid)));
return withid;
}
else
{
m_collection.insertOne(new Document(CAST_MAP(record)));
return record;
}
}
public final MCollection insertMany(final List> list)
{
Objects.requireNonNull(list);
if (list.isEmpty())
{
logger.warn("MCollection.insertMany(empty)");
return this;
}
if (1 == list.size())
{
insertOne(Objects.requireNonNull(list.get(0)));// let this do checkID
return this;
}
final ArrayList save = new ArrayList(list.size());
if (isCreateID())
{
for (Map lmap : list)
{
save.add(new Document(CAST_MAP(ensureHasID(lmap))));
}
}
else
{
for (Map lmap : list)
{
save.add(new Document(CAST_MAP(ensureHasID(lmap))));
}
}
m_collection.insertMany(save);
return this;
}
public final long count()
{
return m_collection.count();
}
public final long count(final Map query)
{
return count(new MQuery(Objects.requireNonNull(query)));
}
public final long count(final MQuery query)
{
return m_collection.count(Objects.requireNonNull(query));
}
public final MCursor find() throws Exception
{
return find(false);
}
final String getNameSpace()
{
return m_collection.getNamespace().toString();
}
public final MCursor find(final boolean with_id) throws Exception
{
if (with_id)
{
return new MCursor(m_collection.find());
}
else
{
return new MCursor(m_collection.find().projection(MProjection.NO_ID()));
}
}
public final MCursor find(final Map query) throws Exception
{
return find(new MQuery(Objects.requireNonNull(query)), false);
}
public final MCursor find(final MQuery query) throws Exception
{
return find(Objects.requireNonNull(query), false);
}
public final MCursor find(final Map query, final boolean with_id) throws Exception
{
return find(new MQuery(Objects.requireNonNull(query)), with_id);
}
public final MCursor find(final MQuery query, final boolean with_id) throws Exception
{
if (with_id)
{
return new MCursor(m_collection.find(Objects.requireNonNull(query)));
}
else
{
return new MCursor(m_collection.find(Objects.requireNonNull(query)).projection(MProjection.NO_ID()));
}
}
public final MCursor find(final Map query, final Map fields) throws Exception
{
return find(new MQuery(Objects.requireNonNull(query)), new MProjection(Objects.requireNonNull(fields)));
}
public final MCursor find(final MQuery query, final Map fields) throws Exception
{
return find(Objects.requireNonNull(query), new MProjection(Objects.requireNonNull(fields)));
}
public final MCursor find(final Map query, final MProjection fields) throws Exception
{
return find(new MQuery(Objects.requireNonNull(query)), Objects.requireNonNull(fields), false);
}
public final MCursor find(final MQuery query, final MProjection fields) throws Exception
{
return find(Objects.requireNonNull(query), Objects.requireNonNull(fields), false);
}
public final MCursor find(final Map query, final Map fields, final boolean with_id) throws Exception
{
return find(new MQuery(Objects.requireNonNull(query)), new MProjection(Objects.requireNonNull(fields)), with_id);
}
public final MCursor find(final Map query, final MProjection fields, final boolean with_id) throws Exception
{
return find(new MQuery(Objects.requireNonNull(query)), Objects.requireNonNull(fields), with_id);
}
public final MCursor find(final MQuery query, final MProjection fields, final boolean with_id) throws Exception
{
if (with_id)
{
return new MCursor(m_collection.find(Objects.requireNonNull(query)).projection(Objects.requireNonNull(fields)));
}
else
{
return new MCursor(m_collection.find(Objects.requireNonNull(query)).projection(MProjection.FIELDS(Objects.requireNonNull(fields), MProjection.NO_ID())));
}
}
public final Map findAndModify(final Map query, final Map update)
{
return update(new MQuery(Objects.requireNonNull(query)), Objects.requireNonNull(update), false, true);
}
public final Map findAndModify(final MQuery query, final Map update)
{
return update(Objects.requireNonNull(query), Objects.requireNonNull(update), false, true);
}
public final Map upsert(final Map query, final Map update)
{
return upsert(new MQuery(Objects.requireNonNull(query)), Objects.requireNonNull(update));
}
public final Map upsert(final MQuery query, final Map update)
{
return update(Objects.requireNonNull(query), Objects.requireNonNull(update), true, true);
}
public final Map create(final Map record)
{
return insertOne(Objects.requireNonNull(record));
}
public final Map update(final Map query, final Map update, final boolean upsert, final boolean multi)
{
return update(new MQuery(Objects.requireNonNull(query)), Objects.requireNonNull(update), upsert, multi);
}
public final Map update(final MQuery query, final Map update, final boolean upsert, final boolean multi)
{
if (multi)
{
m_collection.updateMany(Objects.requireNonNull(query), new Document(CAST_MAP(update)), new UpdateOptions().upsert(upsert));
}
else
{
m_collection.updateOne(Objects.requireNonNull(query), new Document(CAST_MAP(update)), new UpdateOptions().upsert(upsert));
}
return update;
}
public final Map findOne(final Map query)
{
return findOne(new MQuery(Objects.requireNonNull(query)));
}
public final Map findOne(final MQuery query)
{
FindIterable iter = m_collection.find(Objects.requireNonNull(query)).limit(1).projection(MProjection.NO_ID());
if (null != iter)
{
return iter.first();
}
return null;
}
public final boolean updateOne(final Map query, final Map update)
{
return updateOne(new MQuery(Objects.requireNonNull(query)), Objects.requireNonNull(update));
}
public final boolean updateOne(final MQuery query, final Map update)
{
return (m_collection.updateOne(Objects.requireNonNull(query), new Document(CAST_MAP(update))).getModifiedCount() == 1L);
}
public final long updateMany(final Map query, final Map update)
{
return updateMany(new MQuery(Objects.requireNonNull(query)), Objects.requireNonNull(update));
}
public final long updateMany(final MQuery query, final Map update)
{
return m_collection.updateMany(Objects.requireNonNull(query), new Document(CAST_MAP(update)), new UpdateOptions().upsert(false)).getModifiedCount();
}
public final List distinct(final String field)
{
return m_collection.distinct(StringOps.requireTrimOrNull(field), Document.class).into(new ArrayList());
}
public final List distinct(final String field, final Map query)
{
return m_collection.distinct(StringOps.requireTrimOrNull(field), Document.class).filter(new Document(CAST_MAP(query))).into(new ArrayList());
}
}
@SuppressWarnings("serial")
private static class MAggregationOp extends Document
{
private MAggregationOp(final Document doc)
{
super(Objects.requireNonNull(doc));
}
protected static final MAggregationOp makeAggregationOp(final String op, final Map map)
{
final LinkedHashMap make = new LinkedHashMap(1);
make.put(Objects.requireNonNull(op), Objects.requireNonNull(map));
return new MAggregationOp(new Document(make));
}
protected static final MAggregationOp makeAggregationOp(final String op, final Document doc)
{
final LinkedHashMap make = new LinkedHashMap(1);
make.put(Objects.requireNonNull(op), Objects.requireNonNull(doc));
return new MAggregationOp(new Document(make));
}
public static final MAggregationMatch MATCH(final Map map)
{
return new MAggregationMatch(Objects.requireNonNull(map));
}
public static final MAggregationMatch MATCH(final Document doc)
{
return new MAggregationMatch(Objects.requireNonNull(doc));
}
public static final MAggregationGroup GROUP(final Map map)
{
return new MAggregationGroup(Objects.requireNonNull(map));
}
public static final MAggregationGroup GROUP(final Document doc)
{
return new MAggregationGroup(Objects.requireNonNull(doc));
}
}
public static final class MAggregationGroup extends MAggregationOp
{
private static final long serialVersionUID = 3079372174680166319L;
public MAggregationGroup(final Map map)
{
super(makeAggregationOp("$group", Objects.requireNonNull(map)));
}
public MAggregationGroup(final Document doc)
{
super(makeAggregationOp("$group", Objects.requireNonNull(doc)));
}
}
public static final class MAggregationMatch extends MAggregationOp
{
private static final long serialVersionUID = -1138722876045817851L;
public MAggregationMatch(final Map map)
{
super(makeAggregationOp("$match", Objects.requireNonNull(map)));
}
public MAggregationMatch(final Document doc)
{
super(makeAggregationOp("$match", Objects.requireNonNull(doc)));
}
}
public static final class MAggregationPipeline
{
private final ArrayList m_pipeline = new ArrayList();
public MAggregationPipeline(final List list)
{
m_pipeline.addAll(Objects.requireNonNull(list));
}
@SafeVarargs
public MAggregationPipeline(final T... list)
{
m_pipeline.addAll(Arrays.asList(Objects.requireNonNull(list)));
}
List list()
{
return m_pipeline;
}
}
public static interface IMCursor extends Iterable>, Iterator>, Closeable
{
public >> A into(A target);
}
protected static abstract class AbstractMCursor>implements IMCursor
{
private final T m_iterab;
private final MongoCursor m_cursor;
private boolean m_closed = false;
private boolean m_autoclose = true;
protected AbstractMCursor(final T iter)
{
m_iterab = Objects.requireNonNull(iter);
m_cursor = Objects.requireNonNull(m_iterab.iterator());
}
protected final T self()
{
return m_iterab;
}
@Override
public >> A into(A target)
{
final A result = m_iterab.into(target);
try
{
close();
}
catch (IOException e)
{
logger.error("Error in AbstractMCursor.into() ", e);
}
return result;
}
@Override
public Iterator> iterator()
{
return this;
}
@Override
public boolean hasNext()
{
final boolean next = ((m_closed == false) && (m_cursor.hasNext()));
if ((false == next) && (false == m_closed) && (m_autoclose))
{
try
{
close();
}
catch (Exception e)
{
logger.error("Error in AbstractMCursor.close() ", e);
}
}
return next;
}
public void setAutoClose(final boolean autoclose)
{
m_autoclose = autoclose;
}
@Override
public Map next()
{
return m_cursor.next();
}
@Override
public void remove()
{
m_cursor.remove();
}
@Override
public void close() throws IOException
{
if (false == m_closed)
{
m_cursor.close();
m_closed = true;
}
}
}
public static final class MIndexCursor extends AbstractMCursor>
{
protected MIndexCursor(final ListIndexesIterable index)
{
super(index);
}
}
public static final class MAggregateCursor extends AbstractMCursor>
{
protected MAggregateCursor(final AggregateIterable aggreg)
{
super(aggreg);
}
}
public static final class MCursor extends AbstractMCursor>
{
protected MCursor(final FindIterable finder)
{
super(finder);
}
public MCursor projection(final MProjection projection)
{
return new MCursor(self().projection(Objects.requireNonNull(projection)));
}
public MCursor skip(final int skip)
{
return new MCursor(self().skip(Math.max(0, skip)));
}
public MCursor limit(final int limit)
{
return new MCursor(self().limit(Math.max(0, limit)));
}
public MCursor sort(final Map sort)
{
return sort(new MSort(Objects.requireNonNull(sort)));
}
public MCursor sort(final MSort sort)
{
return new MCursor(self().sort(Objects.requireNonNull(sort)));
}
}
@SuppressWarnings("serial")
public static final class MSort extends Document
{
private static final BsonInt32 ORDER_A = new BsonInt32(0 + 1);
private static final BsonInt32 ORDER_D = new BsonInt32(0 - 1);
private MSort()
{
}
@SuppressWarnings("unchecked")
public MSort(final Map map)
{
super((Map) map);
}
public static final MSort ASCENDING(final String... fields)
{
return ASCENDING(Arrays.asList(fields));
}
public static final MSort ASCENDING(final List fields)
{
return ORDER_BY(Objects.requireNonNull(fields), ORDER_A);
}
public static final MSort DESCENDING(final String... fields)
{
return DESCENDING(Arrays.asList(fields));
}
public static final MSort DESCENDING(final List fields)
{
return ORDER_BY(Objects.requireNonNull(fields), ORDER_D);
}
public static final MSort ORDER_BY(final MSort... sorts)
{
return ORDER_BY(Arrays.asList(sorts));
}
public static final MSort ORDER_BY(final List sorts)
{
Objects.requireNonNull(sorts);
final MSort sort = new MSort();
for (MSort s : sorts)
{
if (null != s)
{
for (String k : s.keySet())
{
if (null != StringOps.toTrimOrNull(k))
{
sort.remove(k);
sort.append(k, s.get(k));
}
}
}
else
{
logger.warn("MSort.ORDER_BY(null)");
}
}
return sort;
}
private static final MSort ORDER_BY(final List fields, final BsonInt32 value)
{
Objects.requireNonNull(fields);
final MSort sort = new MSort();
for (String name : fields)
{
if (null != StringOps.toTrimOrNull(name))
{
sort.remove(name);
sort.append(name, value);
}
}
return sort;
}
}
@SuppressWarnings("serial")
public static final class MProjection extends Document
{
private static final BsonInt32 INCLUDE_N = new BsonInt32(0);
private static final BsonInt32 INCLUDE_Y = new BsonInt32(1);
private MProjection()
{
}
@SuppressWarnings("unchecked")
public MProjection(final Map map)
{
super(Objects.requireNonNull((Map) map));
}
private MProjection(final String name, final BsonValue value)
{
super(StringOps.requireTrimOrNull(name), value);
}
public static final MProjection INCLUDE(final String... fields)
{
return INCLUDE(Arrays.asList(fields));
}
public static final MProjection INCLUDE(final List fields)
{
return COMBINE(Objects.requireNonNull(fields), INCLUDE_Y);
}
public static final MProjection EXCLUDE(final String... fields)
{
return EXCLUDE(Arrays.asList(fields));
}
public static final MProjection EXCLUDE(final List fields)
{
return COMBINE(Objects.requireNonNull(fields), INCLUDE_N);
}
public static final MProjection NO_ID()
{
return new MProjection("_id", INCLUDE_N);
}
public static final MProjection FIELDS(final MProjection... projections)
{
return FIELDS(Arrays.asList(projections));
}
public static final MProjection FIELDS(final List projections)
{
final MProjection projection = new MProjection();
for (MProjection p : projections)
{
for (String k : p.keySet())
{
if (null != (k = StringOps.toTrimOrNull(k)))
{
projection.remove(k);
projection.append(k, p.get(k));
}
}
}
return projection;
}
private static final MProjection COMBINE(final List fields, final BsonInt32 value)
{
final MProjection projection = new MProjection();
for (String name : fields)
{
if (null != (name = StringOps.toTrimOrNull(name)))
{
projection.remove(name);
projection.append(name, value);
}
}
return projection;
}
}
@SuppressWarnings("serial")
public static class MQuery extends Document
{
private MQuery()
{
}
@SuppressWarnings("unchecked")
public MQuery(final Map map)
{
super(Objects.requireNonNull((Map) map));
}
public static final MQuery QUERY(final Map map)
{
return new MQuery(map);
}
public static final MQuery EQ(final String name, final T value)
{
return convert(eq(StringOps.requireTrimOrNull(name), value));
}
public static final MQuery NE(final String name, final T value)
{
return convert(ne(StringOps.requireTrimOrNull(name), value));
}
public static final MQuery GT(final String name, final T value)
{
return convert(gt(StringOps.requireTrimOrNull(name), value));
}
public static final MQuery LT(final String name, final T value)
{
return convert(lt(StringOps.requireTrimOrNull(name), value));
}
public static final MQuery GTE(final String name, final T value)
{
return convert(gte(StringOps.requireTrimOrNull(name), value));
}
public static final MQuery LTE(final String name, final T value)
{
return convert(lte(StringOps.requireTrimOrNull(name), value));
}
@SafeVarargs
public static final MQuery IN(final String name, final T... list)
{
return IN(StringOps.requireTrimOrNull(name), Arrays.asList(list));
}
public static final MQuery IN(final String name, final List list)
{
return convert(in(StringOps.requireTrimOrNull(name), Objects.requireNonNull(list)));
}
@SafeVarargs
public static final MQuery NIN(String name, T... list)
{
return NIN(StringOps.requireTrimOrNull(name), Arrays.asList(list));
}
public static final MQuery NIN(final String name, final List list)
{
return convert(nin(StringOps.requireTrimOrNull(name), Objects.requireNonNull(list)));
}
public static final MQuery AND(final MQuery... list)
{
return AND(Arrays.asList(list));
}
public static final MQuery AND(final List list)
{
return convert(and(new ArrayList(Objects.requireNonNull(list))));
}
public static final MQuery OR(final MQuery... list)
{
return OR(Arrays.asList(list));
}
public static final MQuery OR(final List list)
{
return convert(or(new ArrayList(Objects.requireNonNull(list))));
}
public static final MQuery NOT(final MQuery query)
{
return convert(not(Objects.requireNonNull(query)));
}
public static final MQuery EXISTS(final String name, final boolean exists)
{
return convert(exists(StringOps.requireTrimOrNull(name), exists));
}
public static final MQuery EXISTS(final String name)
{
return convert(exists(StringOps.requireTrimOrNull(name), true));
}
private static final MQuery convert(final Bson b)
{
return new MQuery()
{
@Override
public BsonDocument toBsonDocument(final Class documentClass, final CodecRegistry codecRegistry)
{
return b.toBsonDocument(documentClass, codecRegistry);
}
};
}
}
}
