Interface Annotation

public boolean equals(Object o)

Returns true if the supplied object is equivalent to this annotation. For this property to hold, the following must be true of o:

• The object is also an instance of the same annotation type.
• The members of the supplied annotation are equal to those of this annotation, according to the following:
• If the members are floats, then, for floats x and y, Float.valueOf(x).equals(Float.valueOf(y) must return true. This differs from the usual (==) comparison in that NaN is considered equal to itself and positive and negative zero are seen as different.
• Likewise, if the members are doubles, then, for doubles x and y, Double.valueOf(x).equals(Double.valueOf(y) must return true. This differs from the usual (==) comparison in that NaN is considered equal to itself and positive and negative zero are seen as different.
• Strings, classes, enumerations and annotations are considered equal according to the equals() implementation for these types.
• Arrays are considered equal according to Arrays.equals()
• Any remaining types are considered equal using ==.

Overrides:

equals in interface Object

Parameters:

o - the object to compare with this annotation.

Returns:

true if the supplied object is an annotation with equivalent members.

public Classextends Annotation> annotationType()

Returns the type of this annotation.

Returns:

the class of which this annotation is an instance.

public int hashCode()

Returns the hash code of the annotation. This is computed as the sum of the hash codes of the annotation's members.

The hash code of a member of the annotation is the result of XORing the hash code of its value with the result of multiplying the hash code of its name by 127. Formally, if the value is v and the name is n, the hash code of the member is v.hashCode() XOR (127 * String.hashCode(n)). v.hashCode() is defined as follows:

• The hash code of a primitive value (i.e. byte, char, double, float, int, long, short and boolean) is the hash code obtained from its corresponding wrapper class using valueOf(v).hashCode(), where v is the primitive value.
• The hash code of an enumeration, string, class or other annotation is obtained using v.hashCode().
• The hash code of an array is computed using Arrays.hashCode(v).

Overrides:

hashCode in interface Object

Returns:

the hash code of the annotation, computed as the sum of its member hashcodes.

public String toString()

Returns a textual representation of the annotation. This is implementation-dependent, but is expected to include the classname and the names and values of each member.

Overrides:

toString in interface Object

Returns:

a textual representation of the annotation.