/
DefaultSignalSystem.java
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/
DefaultSignalSystem.java
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package jmri.implementation;
import java.util.*;
import jmri.SignalSystem;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Default implementation of a basic signal system definition.
* <p>
* The default contents are taken from the NamedBeanBundle properties file. This
* makes creation a little more heavy-weight, but speeds operation.
*
*
* @author Bob Jacobsen Copyright (C) 2009
*/
public class DefaultSignalSystem extends AbstractNamedBean implements SignalSystem {
public DefaultSignalSystem(String systemName, String userName) {
super(systemName, userName);
}
public DefaultSignalSystem(String systemName) {
super(systemName);
}
@Override
public void setProperty(String aspect, String key, Object value) {
getTable(aspect).put(key, value);
if (!keys.contains(key)) {
keys.add(key);
}
}
@Override
public Object getProperty(String aspect, String key) {
if (aspect == null) {
return null;
}
return getTable(aspect).get(key);
}
@Override
public void setImageType(String type) {
if (!imageTypes.contains(type)) {
imageTypes.add(type);
}
}
@Override
public Enumeration<String> getImageTypeList() {
return imageTypes.elements();
}
@Override
public String getAspect(Object obj, String key) {
if (obj == null) {
return null;
}
Set<String> aspectKeys = aspects.keySet();
for (String aspect : aspectKeys) {
if (getTable(aspect).containsKey(key)) {
if (getTable(aspect).get(key).equals(obj)) {
return aspect;
}
}
}
return null;
}
protected Hashtable<String, Object> getTable(String aspect) {
Hashtable<String, Object> t = aspects.get(aspect);
if (t == null) {
t = new Hashtable<>();
aspects.put(aspect, t);
}
return t;
}
@Override
public Enumeration<String> getAspects() {
return new Vector<>(aspects.keySet()).elements(); // this will be greatly simplified when we can just return keySet
}
@Override
public Enumeration<String> getKeys() {
return keys.elements();
}
@Override
public boolean checkAspect(String aspect) {
return aspects.get(aspect) != null;
}
public void loadDefaults() {
log.debug("start loadDefaults");
String aspect;
String key = Bundle.getMessage("SignalAspectKey");
String value;
aspect = Bundle.getMessage("SignalAspectDefaultRed");
value = Bundle.getMessage("SignalAspect_" + key + "_" + aspect);
setProperty(aspect, key, value);
aspect = Bundle.getMessage("SignalAspectDefaultYellow");
value = Bundle.getMessage("SignalAspect_" + key + "_" + aspect);
setProperty(aspect, key, value);
aspect = Bundle.getMessage("SignalAspectDefaultGreen");
value = Bundle.getMessage("SignalAspect_" + key + "_" + aspect);
setProperty(aspect, key, value);
}
/**
* {@inheritDoc}
*
* This method returns a constant result on the DefaultSignalSystem.
*
* @return {@link jmri.NamedBean#INCONSISTENT}
*/
@Override
public int getState() {
return INCONSISTENT;
}
/**
* {@inheritDoc}
*
* This method has no effect on the DefaultSignalSystem.
*/
@Override
public void setState(int s) {
// do nothing
}
float maximumLineSpeed = 0.0f;
@Override
public float getMaximumLineSpeed() {
if (maximumLineSpeed == 0.0f) {
for (String as : aspects.keySet()) {
String speed = (String) getProperty(as, "speed");
if (speed != null) {
float aspectSpeed = 0.0f;
try {
aspectSpeed = Float.parseFloat(speed);
} catch (NumberFormatException nx) {
try {
aspectSpeed = jmri.InstanceManager.getDefault(SignalSpeedMap.class).getSpeed(speed);
} catch (IllegalArgumentException ex) {
//Considered Normal if the speed does not appear in the map
log.debug("Speed {} not found in map", speed);
}
}
if (aspectSpeed > maximumLineSpeed) {
maximumLineSpeed = aspectSpeed;
}
}
}
}
if (maximumLineSpeed == 0.0f) {
//no speeds configured so will use the default.
maximumLineSpeed = jmri.InstanceManager.getDefault(SignalSpeedMap.class).getSpeed("Maximum");
}
return maximumLineSpeed;
}
protected java.util.HashMap<String, Hashtable<String, Object>> aspects
= new java.util.LinkedHashMap<>();
protected java.util.Vector<String> keys = new java.util.Vector<>();
protected java.util.Vector<String> imageTypes = new java.util.Vector<>();
@Override
public String getBeanType() {
return Bundle.getMessage("BeanNameSignalSystem");
}
@Override
/**
* {@inheritDoc}
*/
public String summary() {
StringBuilder retval = new StringBuilder();
retval.append(toString());
retval.append("\n BeanType: ").append(getBeanType());
retval.append("\n keys:");
for (String key : keys) retval.append("\n ").append(key);
retval.append("\n aspects:");
Set<String> values = aspects.keySet();
for (String value : values)
retval.append("\n ").append(value);
retval.append("\n maximumLineSpeed = ").append(getMaximumLineSpeed());
return new String(retval);
}
private final static Logger log = LoggerFactory.getLogger(DefaultSignalSystem.class);
}