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/*
* Copyright (C) 2009 Google Inc.
*
* Licensed 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 com.google.caliper;
import java.io.Serializable;
import java.util.Arrays;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Set;
/**
* A configured benchmark.
*
* <p>Gwt-safe.
*/
public final class Scenario
implements Serializable /* for GWT */ {
static final String VM_KEY = "vm";
/**
* The subset of variable names that are managed by the system. It is an error
* to create a parameter with the same name as one of these variables.
*/
static final Set<String> SYSTEM_VARIABLES = new HashSet<String>(Arrays.asList(VM_KEY));
private /*final*/ Map<String, String> variables;
public Scenario(Map<String, String> variables) {
this.variables = new LinkedHashMap<String, String>(variables);
}
public Map<String, String> getVariables() {
return variables;
}
/**
* Returns the user-specified parameters. This is the (possibly-empty) set of
* variables that may be varied from scenario to scenario in the same
* environment.
*/
public Map<String, String> getParameters() {
Map<String, String> result = new LinkedHashMap<String, String>();
for (Map.Entry<String, String> entry : variables.entrySet()) {
if (!SYSTEM_VARIABLES.contains(entry.getKey())) {
result.put(entry.getKey(), entry.getValue());
}
}
return result;
}
@Override public boolean equals(Object o) {
return o instanceof Scenario
&& ((Scenario) o).getVariables().equals(variables);
}
@Override public int hashCode() {
return variables.hashCode();
}
@Override public String toString() {
return "Scenario" + variables;
}
private Scenario() {} // for GWT
}
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