BeanUtils Collections 2
import org.apache.commons.beanutils.BeanPredicate;
import org.apache.commons.collections.PredicateUtils;
public class BeanUtilsCollectionsV2 {
public static void main(String args[]) {
BeanPredicate predicate =
new BeanPredicate("title", PredicateUtils.uniquePredicate());
Movie movie = new Movie();
movie.setTitle("The Italian Job");
Movie movie1 = new Movie();
movie1.setTitle("The Italian Job");
System.err.println(predicate.evaluate(movie)); // evaluates true
System.err.println(predicate.evaluate(movie1)); // evaluates false
}
}
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import java.util.Map;
import java.util.List;
import java.util.Date;
public class Movie {
public Movie() {
}
public Date getDateOfRelease() { return this.dateOfRelease; }
public void setDateOfRelease(Date dateOfRelease) {
this.dateOfRelease = dateOfRelease;
}
public String getTitle() { return this.title; }
public void setTitle(String title) {this.title = title; }
public Person getDirector() { return this.director; }
public void setDirector(Person director) { this.director = director; }
public List getActors() { return this.actors; }
public void setActors(List actors) { this.actors= actors; }
public String[] getKeywords() { return this.keywords; }
public void setKeyWords(String[] keywords) { this.keywords = keywords; }
public Map getGenre() { return this.genre; }
public void setGenre(Map genre) { this.genre = genre; }
private Date dateOfRelease;
private String title;
private Person director;
private List actors;
private String[] keywords;
private Map genre;
}
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import java.util.Map;
import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.apache.commons.lang.builder.ToStringBuilder;
public class Person {
public Person() {
}
public String getName() {
return this.name == null ? "NoName" : this.name; }
public void setName(String name) { this.name = name; }
public int getGender() { return this.gender; }
public void setGender(int gender) { // 0 - Indeterminate, 1 - Male, 2 - Female
this.gender = (gender > 2 || gender < 0) ? 0 : gender; }
public Map getContactNumber() { return this.contactNumber; }
public void setContactNumber(Map contactNumber) {
this.contactNumber = contactNumber;
}
/**public boolean equals(Object o) {
if(o == this) return true;
if(!(o instanceof Person)) return false;
Person otherPerson = (Person)o;
if(otherPerson.getName().equals(this.name) &&
otherPerson.getGender() == this.gender) return true;
return false;
}*/
public boolean equals(Object o) {
if(!(o instanceof Person)) return false;
Person otherPerson = (Person)o;
return new EqualsBuilder()
.append(name, otherPerson.getName())
.append(gender, otherPerson.getGender())
.isEquals();
}
public int hashCode() {
return new HashCodeBuilder(7, 51)
.append(name)
.append(gender)
.append(contactNumber)
.toHashCode();
}
public String toString() {
return new ToStringBuilder(this)
.append("Name", name)
.append("Gender", gender)
.append("Contact Details", contactNumber)
.toString();
}
private String name;
private int gender;
private Map contactNumber;
}
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