| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.sysds.parser; |
| |
| import java.util.HashMap; |
| |
| import org.antlr.v4.runtime.ParserRuleContext; |
| import org.apache.sysds.parser.Expression.DataOp; |
| |
| public class OutputStatement extends Statement |
| { |
| |
| private DataIdentifier _id; |
| private DataExpression _paramsExpr; |
| |
| public static final String[] WRITE_VALID_PARAM_NAMES = { DataExpression.IO_FILENAME, |
| DataExpression.FORMAT_TYPE, |
| DataExpression.DELIM_DELIMITER, |
| DataExpression.DELIM_HAS_HEADER_ROW, |
| DataExpression.DELIM_SPARSE, |
| DataExpression.DESCRIPTIONPARAM}; |
| |
| public DataIdentifier getIdentifier(){ |
| return _id; |
| } |
| |
| public DataExpression getSource(){ |
| return _paramsExpr; |
| } |
| |
| public void setIdentifier(DataIdentifier t) { |
| _id = t; |
| } |
| |
| public OutputStatement(ParserRuleContext ctx, DataIdentifier t, DataOp op, String filename) { |
| _id = t; |
| _paramsExpr = new DataExpression(ctx, op, new HashMap<String, Expression>(), filename); |
| setCtxValuesAndFilename(ctx, filename); |
| } |
| |
| public OutputStatement(DataIdentifier t, DataOp op, ParseInfo parseInfo) { |
| _id = t; |
| _paramsExpr = new DataExpression(op, new HashMap<String, Expression>(), parseInfo); |
| setParseInfo(parseInfo); |
| } |
| |
| public static boolean isValidParamName(String key){ |
| for (String paramName : WRITE_VALID_PARAM_NAMES) |
| if (paramName.equals(key)) |
| return true; |
| return false; |
| } |
| |
| public void addExprParam(String name, Expression value, boolean fromMTDFile) { |
| if( _paramsExpr.getVarParam(name) != null ) |
| raiseValidateError("attempted to add IOStatement parameter " + name + " more than once", false); |
| if( !OutputStatement.isValidParamName(name) ) |
| raiseValidateError("attempted to add invalid write statement parameter: " + name, false); |
| _paramsExpr.addVarParam(name, value); |
| } |
| |
| // rewrites statement to support function inlining (create deep copy) |
| @Override |
| public Statement rewriteStatement(String prefix) { |
| OutputStatement newStatement = new OutputStatement(null, Expression.DataOp.WRITE, this); |
| // rewrite outputStatement variable name (creates deep copy) |
| newStatement._id = (DataIdentifier)this._id.rewriteExpression(prefix); |
| // rewrite parameter expressions (creates deep copy) |
| DataOp op = _paramsExpr.getOpCode(); |
| HashMap<String,Expression> newExprParams = new HashMap<>(); |
| for (String key : _paramsExpr.getVarParams().keySet()){ |
| Expression newExpr = _paramsExpr.getVarParam(key).rewriteExpression(prefix); |
| newExprParams.put(key, newExpr); |
| } |
| DataExpression newParamerizedExpr = new DataExpression(op, newExprParams, this); |
| newStatement.setExprParams(newParamerizedExpr); |
| return newStatement; |
| } |
| |
| public void setExprParams(DataExpression newParamerizedExpr) { |
| _paramsExpr = newParamerizedExpr; |
| } |
| |
| public Expression getExprParam(String key){ |
| return _paramsExpr.getVarParam(key); |
| } |
| |
| @Override |
| public void initializeforwardLV(VariableSet activeIn){} |
| @Override |
| public VariableSet initializebackwardLV(VariableSet lo){return lo;} |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| sb.append(Statement.OUTPUTSTATEMENT + "("); |
| sb.append("id=" + _id.toString()); |
| for (String key : _paramsExpr.getVarParams().keySet()) { |
| sb.append(", "); |
| sb.append(key); |
| sb.append("="); |
| Expression exp = _paramsExpr.getVarParam(key); |
| if (exp instanceof StringIdentifier) { |
| sb.append("\""); |
| sb.append(exp.toString()); |
| sb.append("\""); |
| } else { |
| sb.append(exp.toString()); |
| } |
| } |
| sb.append(");"); |
| return sb.toString(); |
| } |
| |
| @Override |
| public VariableSet variablesRead() { |
| VariableSet result = new VariableSet(); |
| |
| // handle variable that is being written out |
| result.addVariables(_id.variablesRead()); |
| |
| // handle variables for output filename expression |
| //result.addVariables(_filenameExpr.variablesRead()); |
| |
| // add variables for parameter expressions |
| for (String key : _paramsExpr.getVarParams().keySet()) |
| result.addVariables(_paramsExpr.getVarParam(key).variablesRead()) ; |
| |
| return result; |
| } |
| |
| @Override |
| public VariableSet variablesUpdated() { |
| return null; |
| } |
| |
| @Override |
| public boolean controlStatement() { |
| Expression fmt = _paramsExpr.getVarParam(DataExpression.FORMAT_TYPE); |
| return (fmt != null && fmt.toString().equalsIgnoreCase("csv")); |
| } |
| } |