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| package org.apache.hivemind.schema.rules; |
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| import java.util.Map; |
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| import org.apache.hivemind.ApplicationRuntimeException; |
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| import org.apache.hivemind.HiveMind; |
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| import org.apache.hivemind.Location; |
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| import org.apache.hivemind.internal.Module; |
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| import org.apache.hivemind.schema.Translator; |
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| public class DoubleTranslator implements Translator |
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| { |
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| private double _minValue; |
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| private boolean _isMinValue; |
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| private double _maxValue; |
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| private boolean _isMaxValue; |
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| private double _defaultValue = 0; |
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| public DoubleTranslator()
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| { |
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| } |
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| public DoubleTranslator(String initializer)
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| { |
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| Map m = RuleUtils.convertInitializer(initializer);
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| String defaultInit = (String) m.get("default");
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| if (defaultInit != null)
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| _defaultValue = Double.parseDouble(defaultInit);
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| String minInit = (String) m.get("min");
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| if (minInit != null)
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| { |
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| _isMinValue = true;
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| _minValue = Double.parseDouble(minInit);
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| } |
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| String maxInit = (String) m.get("max");
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| if (maxInit != null)
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| { |
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| _isMaxValue = true;
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| _maxValue = Double.parseDouble(maxInit);
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| } |
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| } |
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| public Object translate(
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| Module contributingModule, |
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| Class propertyType, |
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| String inputValue, |
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| Location location) |
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| { |
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| if (HiveMind.isBlank(inputValue))
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| return new Double(_defaultValue);
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| double value;
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| try
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| { |
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| value = Double.parseDouble(inputValue);
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| } |
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| catch (Exception ex) |
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| { |
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| throw new ApplicationRuntimeException(
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| RulesMessages.invalidDoubleValue(inputValue), |
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| location, |
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| ex); |
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| } |
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| if (_isMinValue && value < _minValue)
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| throw new ApplicationRuntimeException(
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| RulesMessages.minDoubleValue(inputValue, _minValue)); |
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| if (_isMaxValue && value > _maxValue)
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| throw new ApplicationRuntimeException(
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| RulesMessages.maxDoubleValue(inputValue, _maxValue)); |
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| return new Double(value);
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| } |
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| } |