| /* |
| * 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.Arrays; |
| import java.util.HashMap; |
| import java.util.Set; |
| |
| public class VariableSet |
| { |
| private HashMap<String,DataIdentifier> _variables; |
| |
| public VariableSet() { |
| _variables = new HashMap<>(); |
| } |
| |
| public VariableSet( VariableSet vs ) { |
| _variables = new HashMap<>(); |
| if (vs != null) |
| _variables.putAll(vs.getVariables()); |
| } |
| |
| public void addVariable(String name, DataIdentifier id) { |
| _variables.put(name,id); |
| } |
| |
| public void addVariables(VariableSet vs) { |
| if (vs != null) |
| _variables.putAll(vs.getVariables()); |
| } |
| |
| public void removeVariables(VariableSet vs) { |
| if( vs != null ) |
| for( String var : vs.getVariables().keySet() ) |
| _variables.remove(var); |
| } |
| |
| public boolean containsVariable(String name){ |
| return _variables.containsKey(name); |
| } |
| |
| public boolean containsAnyName(Set<String> names){ |
| return _variables.keySet().stream() |
| .anyMatch(n -> names.contains(n)); |
| } |
| |
| public DataIdentifier getVariable(String name){ |
| return _variables.get(name); |
| } |
| |
| public Set<String> getVariableNames(){ |
| return _variables.keySet(); |
| } |
| |
| public int getSize(){ |
| return _variables.size(); |
| } |
| |
| public HashMap<String,DataIdentifier> getVariables(){ |
| return _variables; |
| } |
| |
| public boolean isMatrix(String name) { |
| return _variables.containsKey(name) |
| && _variables.get(name).getDataType().isMatrix(); |
| } |
| |
| @Override |
| public String toString() { |
| return Arrays.toString( |
| _variables.keySet().toArray()); |
| } |
| |
| public static VariableSet union(VariableSet vs1, VariableSet vs2) { |
| VariableSet ret = new VariableSet(vs1); |
| ret.addVariables(vs2); |
| return ret; |
| } |
| |
| public static VariableSet minus(VariableSet vs1, VariableSet vs2) { |
| VariableSet ret = new VariableSet(vs1); |
| ret.removeVariables(vs2); |
| return ret; |
| } |
| } |