au.csiro.snorocket.core.model.StringLiteral Maven / Gradle / Ivy
/**
* Copyright CSIRO Australian e-Health Research Centre (http://aehrc.com).
* All rights reserved. Use is subject to license terms and conditions.
*/
package au.csiro.snorocket.core.model;
/**
* Represents a literal that is best stored as a Java string.
*
* @author Alejandro Metke
*
*/
public class StringLiteral extends AbstractLiteral {
private final String value;
public StringLiteral(String value) {
this.value = value;
}
/**
* @return the value
*/
public String getValue() {
return value;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((value == null) ? 0 : value.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
StringLiteral other = (StringLiteral) obj;
if (value == null) {
if (other.value != null)
return false;
} else if (!value.equals(other.value))
return false;
return true;
}
@Override
public String toString() {
return value;
}
public int compareTo(AbstractLiteral o) {
StringLiteral sl = (StringLiteral) o;
String otherValue = sl.value;
return value.compareTo(otherValue);
}
}