mboehm7 commented on a change in pull request #1027:
URL: https://github.com/apache/systemds/pull/1027#discussion_r474238261



##########
File path: 
src/main/java/org/apache/sysds/runtime/instructions/fed/ParameterizedBuiltinFEDInstruction.java
##########
@@ -19,103 +19,217 @@
 
 package org.apache.sysds.runtime.instructions.fed;
 
+import java.util.Arrays;
 import java.util.HashMap;
 import java.util.LinkedHashMap;
+
+import org.apache.sysds.common.Types;
 import org.apache.sysds.common.Types.DataType;
 import org.apache.sysds.common.Types.ValueType;
+import org.apache.sysds.hops.OptimizerUtils;
 import org.apache.sysds.lops.Lop;
 import org.apache.sysds.runtime.DMLRuntimeException;
+import org.apache.sysds.runtime.controlprogram.caching.FrameObject;
 import org.apache.sysds.runtime.controlprogram.caching.MatrixObject;
 import org.apache.sysds.runtime.controlprogram.context.ExecutionContext;
 import org.apache.sysds.runtime.controlprogram.federated.FederatedRequest;
-import org.apache.sysds.runtime.functionobjects.ParameterizedBuiltin;
-import org.apache.sysds.runtime.functionobjects.ValueFunction;
+import org.apache.sysds.runtime.controlprogram.federated.FederatedResponse;
+import org.apache.sysds.runtime.controlprogram.federated.FederatedUDF;
+import org.apache.sysds.runtime.controlprogram.federated.FederationMap;
 import org.apache.sysds.runtime.controlprogram.federated.FederationUtils;
+import org.apache.sysds.runtime.functionobjects.ValueFunction;
 import org.apache.sysds.runtime.instructions.InstructionUtils;
 import org.apache.sysds.runtime.instructions.cp.CPOperand;
+import org.apache.sysds.runtime.instructions.cp.Data;
+import org.apache.sysds.runtime.matrix.data.FrameBlock;
+import org.apache.sysds.runtime.matrix.data.MatrixBlock;
 import org.apache.sysds.runtime.matrix.operators.Operator;
-import org.apache.sysds.runtime.matrix.operators.SimpleOperator;
+import org.apache.sysds.runtime.meta.MatrixCharacteristics;
+import org.apache.sysds.runtime.meta.MetaDataFormat;
+import org.apache.sysds.runtime.privacy.PrivacyMonitor;
+import org.apache.sysds.runtime.transform.decode.Decoder;
+import org.apache.sysds.runtime.transform.decode.DecoderFactory;
 
 public class ParameterizedBuiltinFEDInstruction extends 
ComputationFEDInstruction {
-
        protected final LinkedHashMap<String, String> params;
-       
-       protected ParameterizedBuiltinFEDInstruction(Operator op,
-               LinkedHashMap<String, String> paramsMap, CPOperand out, String 
opcode, String istr)
-       {
+
+       protected ParameterizedBuiltinFEDInstruction(Operator op, 
LinkedHashMap<String, String> paramsMap, CPOperand out,
+               String opcode, String istr) {
                super(FEDType.ParameterizedBuiltin, op, null, null, out, 
opcode, istr);
                params = paramsMap;
        }
-       
-       public HashMap<String,String> getParameterMap() { 
-               return params; 
+
+       public HashMap<String, String> getParameterMap() {
+               return params;
        }
-       
+
        public String getParam(String key) {
                return getParameterMap().get(key);
        }
-       
+
        public static LinkedHashMap<String, String> 
constructParameterMap(String[] params) {
                // process all elements in "params" except first(opcode) and 
last(output)
-               LinkedHashMap<String,String> paramMap = new LinkedHashMap<>();
-               
+               LinkedHashMap<String, String> paramMap = new LinkedHashMap<>();
+
                // all parameters are of form <name=value>
                String[] parts;
-               for ( int i=1; i <= params.length-2; i++ ) {
+               for(int i = 1; i <= params.length - 2; i++) {
                        parts = params[i].split(Lop.NAME_VALUE_SEPARATOR);
                        paramMap.put(parts[0], parts[1]);
                }
-               
+
                return paramMap;
        }
-       
-       public static ParameterizedBuiltinFEDInstruction parseInstruction ( 
String str ) {
+
+       public static ParameterizedBuiltinFEDInstruction 
parseInstruction(String str) {
                String[] parts = 
InstructionUtils.getInstructionPartsWithValueType(str);
                // first part is always the opcode
                String opcode = parts[0];
                // last part is always the output
-               CPOperand out = new CPOperand( parts[parts.length-1] ); 
-       
+               CPOperand out = new CPOperand(parts[parts.length - 1]);
+
                // process remaining parts and build a hash map
-               LinkedHashMap<String,String> paramsMap = 
constructParameterMap(parts);
-       
+               LinkedHashMap<String, String> paramsMap = 
constructParameterMap(parts);
+
                // determine the appropriate value function
                ValueFunction func = null;
-               if( opcode.equalsIgnoreCase("replace") ) {
-                       func = 
ParameterizedBuiltin.getParameterizedBuiltinFnObject(opcode);
-                       return new ParameterizedBuiltinFEDInstruction(new 
SimpleOperator(func), paramsMap, out, opcode, str);

Review comment:
       don't worry about the formatting - more severe was the above deletion of 
the recently added replace. ;-)




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