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/*
* Copyright (c) 2015, 2020, Oracle and/or its affiliates.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 2.0, as published by the
* Free Software Foundation.
*
* This program is also distributed with certain software (including but not
* limited to OpenSSL) that is licensed under separate terms, as designated in a
* particular file or component or in included license documentation. The
* authors of MySQL hereby grant you an additional permission to link the
* program and your derivative works with the separately licensed software that
* they have included with MySQL.
*
* Without limiting anything contained in the foregoing, this file, which is
* part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
* version 1.0, a copy of which can be found at
* http://oss.oracle.com/licenses/universal-foss-exception.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0,
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.mysql.cj.xdevapi;
import java.io.IOException;
import java.io.StringReader;
import java.util.Map;
import com.mysql.cj.Messages;
import com.mysql.cj.MysqlxSession;
import com.mysql.cj.exceptions.AssertionFailedException;
import com.mysql.cj.exceptions.FeatureNotAvailableException;
import com.mysql.cj.exceptions.MysqlErrorNumbers;
import com.mysql.cj.protocol.x.XMessage;
import com.mysql.cj.protocol.x.XMessageBuilder;
import com.mysql.cj.protocol.x.XProtocolError;
public class CollectionImpl implements Collection {
private MysqlxSession mysqlxSession;
private XMessageBuilder xbuilder;
private SchemaImpl schema;
private String name;
/* package private */ CollectionImpl(MysqlxSession mysqlxSession, SchemaImpl schema, String name) {
this.mysqlxSession = mysqlxSession;
this.schema = schema;
this.name = name;
this.xbuilder = (XMessageBuilder) this.mysqlxSession.getMessageBuilder();
}
public Session getSession() {
return this.schema.getSession();
}
public Schema getSchema() {
return this.schema;
}
public String getName() {
return this.name;
}
public DbObjectStatus existsInDatabase() {
if (this.mysqlxSession.getDataStoreMetadata().tableExists(this.schema.getName(), this.name)) {
// TODO should also check that the table has a DbObjectType.COLLECTION type
return DbObjectStatus.EXISTS;
}
return DbObjectStatus.NOT_EXISTS;
}
public AddStatement add(Map doc) {
throw new FeatureNotAvailableException("TODO: ");
}
@Override
public AddStatement add(String... jsonString) {
try {
DbDoc[] docs = new DbDoc[jsonString.length];
for (int i = 0; i < jsonString.length; i++) {
docs[i] = JsonParser.parseDoc(new StringReader(jsonString[i]));
}
return add(docs);
} catch (IOException ex) {
throw AssertionFailedException.shouldNotHappen(ex);
}
}
@Override
public AddStatement add(DbDoc doc) {
return new AddStatementImpl(this.mysqlxSession, this.schema.getName(), this.name, doc);
}
public AddStatement add(DbDoc... docs) {
return new AddStatementImpl(this.mysqlxSession, this.schema.getName(), this.name, docs);
}
public FindStatement find() {
return find(null);
}
public FindStatement find(String searchCondition) {
return new FindStatementImpl(this.mysqlxSession, this.schema.getName(), this.name, searchCondition);
}
public ModifyStatement modify(String searchCondition) {
return new ModifyStatementImpl(this.mysqlxSession, this.schema.getName(), this.name, searchCondition);
}
public RemoveStatement remove(String searchCondition) {
return new RemoveStatementImpl(this.mysqlxSession, this.schema.getName(), this.name, searchCondition);
}
@Override
public Result createIndex(String indexName, DbDoc indexDefinition) {
return this.mysqlxSession.query(
this.xbuilder.buildCreateCollectionIndex(this.schema.getName(), this.name, new CreateIndexParams(indexName, indexDefinition)),
new UpdateResultBuilder<>());
}
@Override
public Result createIndex(String indexName, String jsonIndexDefinition) {
return this.mysqlxSession.query(
this.xbuilder.buildCreateCollectionIndex(this.schema.getName(), this.name, new CreateIndexParams(indexName, jsonIndexDefinition)),
new UpdateResultBuilder<>());
}
public void dropIndex(String indexName) {
try {
this.mysqlxSession.query(this.xbuilder.buildDropCollectionIndex(this.schema.getName(), this.name, indexName), new UpdateResultBuilder<>());
} catch (XProtocolError e) {
// If specified object does not exist, dropX() methods succeed (no error is reported)
// TODO check MySQL > 8.0.1 for built in solution, like passing ifExists to dropView
if (e.getErrorCode() != MysqlErrorNumbers.ER_CANT_DROP_FIELD_OR_KEY) {
throw e;
}
}
}
public long count() {
try {
return this.mysqlxSession.getDataStoreMetadata().getTableRowCount(this.schema.getName(), this.name);
} catch (XProtocolError e) {
if (e.getErrorCode() == 1146) {
throw new XProtocolError("Collection '" + this.name + "' does not exist in schema '" + this.schema.getName() + "'", e);
}
throw e;
}
}
public DbDoc newDoc() {
return new DbDocImpl();
}
@Override
public boolean equals(Object other) {
return other != null && other.getClass() == CollectionImpl.class && ((CollectionImpl) other).schema.equals(this.schema)
&& ((CollectionImpl) other).mysqlxSession == this.mysqlxSession && this.name.equals(((CollectionImpl) other).name);
}
@Override
public int hashCode() {
assert false : "hashCode not designed";
return 0;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder("Collection(");
sb.append(ExprUnparser.quoteIdentifier(this.schema.getName()));
sb.append(".");
sb.append(ExprUnparser.quoteIdentifier(this.name));
sb.append(")");
return sb.toString();
}
@Override
public Result replaceOne(String id, DbDoc doc) {
if (id == null) {
throw new XDevAPIError(Messages.getString("CreateTableStatement.0", new String[] { "id" }));
}
if (doc == null) {
throw new XDevAPIError(Messages.getString("CreateTableStatement.0", new String[] { "doc" }));
}
return modify("_id = :id").set("$", doc).bind("id", id).execute();
}
@Override
public Result replaceOne(String id, String jsonString) {
if (id == null) {
throw new XDevAPIError(Messages.getString("CreateTableStatement.0", new String[] { "id" }));
}
if (jsonString == null) {
throw new XDevAPIError(Messages.getString("CreateTableStatement.0", new String[] { "jsonString" }));
}
try {
return replaceOne(id, JsonParser.parseDoc(new StringReader(jsonString)));
} catch (IOException e) {
throw AssertionFailedException.shouldNotHappen(e);
}
}
@Override
public Result addOrReplaceOne(String id, DbDoc doc) {
if (id == null) {
throw new XDevAPIError(Messages.getString("CreateTableStatement.0", new String[] { "id" }));
}
if (doc == null) {
throw new XDevAPIError(Messages.getString("CreateTableStatement.0", new String[] { "doc" }));
}
if (doc.get("_id") == null) {
doc.add("_id", new JsonString().setValue(id));
} else if (!id.equals(((JsonString) doc.get("_id")).getString())) {
throw new XDevAPIError("Document already has an _id that doesn't match to id parameter");
}
return add(doc).setUpsert(true).execute();
}
@Override
public Result addOrReplaceOne(String id, String jsonString) {
if (id == null) {
throw new XDevAPIError(Messages.getString("CreateTableStatement.0", new String[] { "id" }));
}
if (jsonString == null) {
throw new XDevAPIError(Messages.getString("CreateTableStatement.0", new String[] { "jsonString" }));
}
try {
return addOrReplaceOne(id, JsonParser.parseDoc(new StringReader(jsonString)));
} catch (IOException e) {
throw AssertionFailedException.shouldNotHappen(e);
}
}
@Override
public DbDoc getOne(String id) {
return find("_id = :id").bind("id", id).execute().fetchOne();
}
@Override
public Result removeOne(String id) {
return remove("_id = :id").bind("id", id).execute();
}
}
