/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.translator.couchbase;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import javax.resource.cci.ConnectionFactory;
import org.teiid.core.types.ClobImpl;
import org.teiid.core.types.ClobType;
import org.teiid.core.util.Assertion;
import org.teiid.couchbase.CouchbaseConnection;
import org.teiid.language.Argument;
import org.teiid.language.Call;
import org.teiid.language.Command;
import org.teiid.language.Expression;
import org.teiid.language.Function;
import org.teiid.language.QueryExpression;
import org.teiid.language.SQLConstants.Tokens;
import org.teiid.metadata.RuntimeMetadata;
import org.teiid.translator.*;
import org.teiid.translator.jdbc.AliasModifier;
import org.teiid.translator.jdbc.FunctionModifier;
import com.couchbase.client.java.document.json.JsonArray;
import com.couchbase.client.java.document.json.JsonObject;
@Translator(name="couchbase", description="Couchbase Translator, reads and writes the data to Couchbase")
public class CouchbaseExecutionFactory extends ExecutionFactory<ConnectionFactory, CouchbaseConnection> {
private static final String COUCHBASE = "couchbase"; //$NON-NLS-1$
protected Map<String, FunctionModifier> functionModifiers = new TreeMap<String, FunctionModifier>(String.CASE_INSENSITIVE_ORDER);
private int maxBulkInsertSize = 100;
public CouchbaseExecutionFactory() {
setSupportsSelectDistinct(true);
setSourceRequiredForMetadata(false);
setTransactionSupport(TransactionSupport.NONE);
// Couchbase subquery returns an array every time, Join relate with use-keys-clause
}
@Override
public void start() throws TranslatorException {
super.start();
registerFunctionModifier(SourceSystemFunctions.CEILING, new AliasModifier("CEIL"));//$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.LOG, new AliasModifier("LN"));//$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.LOG10, new AliasModifier("LOG"));//$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.RAND, new AliasModifier("RANDOM"));//$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.LCASE, new AliasModifier("LOWER"));//$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.UCASE, new AliasModifier("UPPER"));//$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.TRANSLATE, new AliasModifier("REPLACE"));//$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.CONVERT, new FunctionModifier(){
@Override
public List<?> translate(Function function) {
Expression param = function.getParameters().get(0);
int targetCode = getCode(function.getType());
if(targetCode == BYTE || targetCode == SHORT || targetCode == INTEGER || targetCode == LONG || targetCode == FLOAT || targetCode == DOUBLE ) {
return Arrays.asList("TONUMBER" + Tokens.LPAREN, param, Tokens.RPAREN);//$NON-NLS-1$
} else if(targetCode == STRING || targetCode == CHAR) {
return Arrays.asList("TOSTRING" + Tokens.LPAREN, param, Tokens.RPAREN);//$NON-NLS-1$
} else if(targetCode == BOOLEAN) {
return Arrays.asList("TOBOOLEAN" + Tokens.LPAREN, param, Tokens.RPAREN);//$NON-NLS-1$
} else {
return Arrays.asList("TOOBJECT" + Tokens.LPAREN, param, Tokens.RPAREN);//$NON-NLS-1$
}
}});
addPushDownFunction(COUCHBASE, "CONTAINS", TypeFacility.RUNTIME_NAMES.BOOLEAN, TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING); //$NON-NLS-1$
addPushDownFunction(COUCHBASE, "TITLE", TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING); //$NON-NLS-1$
addPushDownFunction(COUCHBASE, "LTRIM", TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING); //$NON-NLS-1$
addPushDownFunction(COUCHBASE, "TRIM", TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING); //$NON-NLS-1$
addPushDownFunction(COUCHBASE, "RTRIM", TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING); //$NON-NLS-1$
addPushDownFunction(COUCHBASE, "POSITION", TypeFacility.RUNTIME_NAMES.INTEGER, TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING); //$NON-NLS-1$
addPushDownFunction(COUCHBASE, "CLOCK_MILLIS", TypeFacility.RUNTIME_NAMES.DOUBLE); //$NON-NLS-1$
addPushDownFunction(COUCHBASE, "CLOCK_STR", TypeFacility.RUNTIME_NAMES.STRING); //$NON-NLS-1$
addPushDownFunction(COUCHBASE, "CLOCK_STR", TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING); //$NON-NLS-1$
addPushDownFunction(COUCHBASE, "DATE_ADD_MILLIS", TypeFacility.RUNTIME_NAMES.LONG, TypeFacility.RUNTIME_NAMES.LONG, TypeFacility.RUNTIME_NAMES.INTEGER, TypeFacility.RUNTIME_NAMES.STRING); //$NON-NLS-1$
addPushDownFunction(COUCHBASE, "DATE_ADD_STR", TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.INTEGER, TypeFacility.RUNTIME_NAMES.STRING); //$NON-NLS-1$
addPushDownFunction(COUCHBASE, "DATE_DIFF_MILLIS", TypeFacility.RUNTIME_NAMES.LONG, TypeFacility.RUNTIME_NAMES.LONG, TypeFacility.RUNTIME_NAMES.LONG, TypeFacility.RUNTIME_NAMES.STRING); //$NON-NLS-1$
addPushDownFunction(COUCHBASE, "DATE_DIFF_STR", TypeFacility.RUNTIME_NAMES.LONG, TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING); //$NON-NLS-1$
addPushDownFunction(COUCHBASE, "DATE_PART_MILLIS", TypeFacility.RUNTIME_NAMES.INTEGER, TypeFacility.RUNTIME_NAMES.LONG, TypeFacility.RUNTIME_NAMES.STRING); //$NON-NLS-1$
addPushDownFunction(COUCHBASE, "DATE_PART_STR", TypeFacility.RUNTIME_NAMES.INTEGER, TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING); //$NON-NLS-1$
addPushDownFunction(COUCHBASE, "NOW_MILLIS", TypeFacility.RUNTIME_NAMES.DOUBLE); //$NON-NLS-1$
addPushDownFunction(COUCHBASE, "NOW_STR", TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING); //$NON-NLS-1$
}
@Override
public List<String> getSupportedFunctions() {
List<String> supportedFunctions = new ArrayList<String>();
// Numeric
supportedFunctions.addAll(getDefaultSupportedFunctions());
supportedFunctions.add(SourceSystemFunctions.ABS);
supportedFunctions.add(SourceSystemFunctions.ACOS);
supportedFunctions.add(SourceSystemFunctions.ASIN);
supportedFunctions.add(SourceSystemFunctions.ATAN);
supportedFunctions.add(SourceSystemFunctions.ATAN2);
supportedFunctions.add(SourceSystemFunctions.CEILING);
supportedFunctions.add(SourceSystemFunctions.COS);
supportedFunctions.add(SourceSystemFunctions.DEGREES);
supportedFunctions.add(SourceSystemFunctions.EXP);
supportedFunctions.add(SourceSystemFunctions.FLOOR);
supportedFunctions.add(SourceSystemFunctions.LOG);
supportedFunctions.add(SourceSystemFunctions.LOG10);
supportedFunctions.add(SourceSystemFunctions.PI);
supportedFunctions.add(SourceSystemFunctions.POWER);
supportedFunctions.add(SourceSystemFunctions.RADIANS);
supportedFunctions.add(SourceSystemFunctions.RAND);
supportedFunctions.add(SourceSystemFunctions.ROUND);
supportedFunctions.add(SourceSystemFunctions.SIGN);
supportedFunctions.add(SourceSystemFunctions.SIN);
supportedFunctions.add(SourceSystemFunctions.SQRT);
supportedFunctions.add(SourceSystemFunctions.TAN);
//String
supportedFunctions.add(SourceSystemFunctions.TAN);
supportedFunctions.add(SourceSystemFunctions.INITCAP);
supportedFunctions.add(SourceSystemFunctions.LENGTH);
supportedFunctions.add(SourceSystemFunctions.LCASE);
supportedFunctions.add(SourceSystemFunctions.REPEAT);
supportedFunctions.add(SourceSystemFunctions.TRANSLATE);
supportedFunctions.add(SourceSystemFunctions.SUBSTRING);
supportedFunctions.add(SourceSystemFunctions.UCASE);
//conversion
supportedFunctions.add(SourceSystemFunctions.CONVERT);
return supportedFunctions;
}
public void registerFunctionModifier(String name, FunctionModifier modifier) {
this.functionModifiers.put(name, modifier);
}
public Map<String, FunctionModifier> getFunctionModifiers() {
return this.functionModifiers;
}
public List<String> getDefaultSupportedFunctions(){
return Arrays.asList(new String[] { "+", "-", "*", "/" }); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
}
@Override
public ResultSetExecution createResultSetExecution(QueryExpression command, ExecutionContext executionContext, RuntimeMetadata metadata, CouchbaseConnection connection) throws TranslatorException {
return new CouchbaseQueryExecution(this, command, executionContext, metadata, connection);
}
@Override
public ProcedureExecution createProcedureExecution(Call command, ExecutionContext executionContext, RuntimeMetadata metadata, CouchbaseConnection connection) throws TranslatorException {
return new CouchbaseProcedureExecution(this, command, executionContext, metadata, connection);
}
@Override
public UpdateExecution createUpdateExecution(Command command, ExecutionContext executionContext, RuntimeMetadata metadata, CouchbaseConnection connection) throws TranslatorException {
return new CouchbaseUpdateExecution(command, this, executionContext, metadata, connection);
}
@Override
public ProcedureExecution createDirectExecution(List<Argument> arguments, Command command, ExecutionContext executionContext, RuntimeMetadata metadata, CouchbaseConnection connection) throws TranslatorException {
return new CouchbaseDirectQueryExecution(arguments, command, this, executionContext, metadata, connection);
}
@Override
public MetadataProcessor<CouchbaseConnection> getMetadataProcessor() {
return new CouchbaseMetadataProcessor();
}
@Override
public boolean supportsAggregatesSum() {
return true;
}
@Override
public boolean supportsAggregatesAvg() {
return true;
}
@Override
public boolean supportsAggregatesMin() {
return true;
}
@Override
public boolean supportsAggregatesMax() {
return true;
}
@Override
public boolean supportsAggregatesCount() {
return true;
}
@Override
public boolean supportsAggregatesCountStar() {
return true;
}
@Override
public boolean supportsAggregatesDistinct() {
return true;
}
@Override
public boolean supportsArrayAgg() {
return true;
}
@Override
public boolean supportsSelectExpression() {
return true;
}
@Override
public boolean supportsRowLimit() {
return true;
}
@Override
public boolean supportsRowOffset() {
return true;
}
@Override
public boolean supportsOrderBy() {
return true;
}
@Override
public boolean supportsOrderByUnrelated() {
return true;
}
@Override
public boolean supportsOrderByNullOrdering() {
return true;
}
@Override
public boolean supportsGroupBy() {
return true;
}
@Override
public boolean supportsHaving() {
return true;
}
@Override
public boolean supportsUnions() {
return true;
}
@Override
public boolean supportsIntersect() {
return true;
}
@Override
public boolean supportsExcept() {
return true;
}
@Override
public boolean supportsSelectWithoutFrom() {
return true;
}
@Override
public boolean supportsCompareCriteriaEquals() {
return true;
}
@Override
public boolean supportsDirectQueryProcedure() {
return true;
}
public N1QLVisitor getN1QLVisitor() {
return new N1QLVisitor(this);
}
public N1QLUpdateVisitor getN1QLUpdateVisitor() {
return new N1QLUpdateVisitor(this);
}
public Object retrieveValue(Class<?> columnType, Object value) {
if (value == null) {
return null;
}
if (value.getClass().equals(columnType)) {
return value;
}
if(columnType.equals(ClobType.class)) {
ClobImpl clob = new ClobImpl(value.toString());
return new ClobType(clob);
}
return value;
}
public void setValue(JsonObject json, String attr, Class<?> type, Object attrValue) {
if(type.equals(TypeFacility.RUNTIME_TYPES.STRING)) {
json.put(attr, (String)attrValue);
} else if(type.equals(TypeFacility.RUNTIME_TYPES.INTEGER)) {
json.put(attr, (Integer)attrValue);
} else if(type.equals(TypeFacility.RUNTIME_TYPES.LONG)) {
json.put(attr, (Long)attrValue);
} else if(type.equals(TypeFacility.RUNTIME_TYPES.DOUBLE)) {
json.put(attr, (Double)attrValue);
} else if(type.equals(TypeFacility.RUNTIME_TYPES.BOOLEAN)) {
json.put(attr, (Boolean)attrValue);
} else if(type.equals(TypeFacility.RUNTIME_TYPES.BIG_INTEGER)) {
json.put(attr, (BigInteger)attrValue);
} else if(type.equals(TypeFacility.RUNTIME_TYPES.BIG_DECIMAL)) {
json.put(attr, (BigDecimal)attrValue);
} else if(type.equals(TypeFacility.RUNTIME_TYPES.NULL)) {
json.putNull(attr);
}
}
public void setValue(JsonArray array, Class<?> type, Object attrValue) {
if(type.equals(TypeFacility.RUNTIME_TYPES.STRING)) {
array.add((String)attrValue);
} else if(type.equals(TypeFacility.RUNTIME_TYPES.INTEGER)) {
array.add((Integer)attrValue);
} else if(type.equals(TypeFacility.RUNTIME_TYPES.LONG)) {
array.add((Long)attrValue);
} else if(type.equals(TypeFacility.RUNTIME_TYPES.DOUBLE)) {
array.add((Double)attrValue);
} else if(type.equals(TypeFacility.RUNTIME_TYPES.BOOLEAN)) {
array.add((Boolean)attrValue);
} else if(type.equals(TypeFacility.RUNTIME_TYPES.BIG_INTEGER)) {
array.add((BigInteger)attrValue);
} else if(type.equals(TypeFacility.RUNTIME_TYPES.BIG_DECIMAL)) {
array.add((BigDecimal)attrValue);
} else if(type.equals(TypeFacility.RUNTIME_TYPES.NULL)) {
array.addNull();
}
}
@Override
public boolean supportsOnlyLiteralComparison() {
return true;
}
@Override
public boolean supportsUpsert() {
return true;
}
@Override
public boolean supportsBulkUpdate() {
return true;
}
@TranslatorProperty(display="Max Bulk Insert Document Size", description="The max size of documents in a bulk insert. Default 100.", advanced=true)
public int getMaxBulkInsertSize() {
return maxBulkInsertSize;
}
public void setMaxBulkInsertSize(int maxBulkInsertSize) {
Assertion.assertTrue(maxBulkInsertSize > 0, CouchbasePlugin.Util.gs(CouchbasePlugin.Event.TEIID29020));
this.maxBulkInsertSize = maxBulkInsertSize;
}
}