CompositeData JDK 1.6)

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public boolean containsKey (String key)

Returns true if and only if this CompositeData instance contains an item whose name is key.

public boolean containsValue (Object value)

Returns true if and only if this CompositeData instance contains an item whose value is value.

public boolean equals (Object obj)

Compares the specified obj parameter with this CompositeData instance for equality.

Returns true if and only if all of the following statements are true:

obj is non null,
obj also implements the CompositeData interface,
their composite types are equal
their contents, i.e. (name, value) pairs are equal. If a value contained in the content is an array, the value comparison is done as if by calling the deepEquals method for arrays of object reference types or the appropriate overloading of Arrays.equals(e1,e2) for arrays of primitive types

This ensures that this equals method works properly for obj parameters which are different implementations of the CompositeData interface, with the restrictions mentioned in the equals method of the java.util.Collection interface.
Returns: true if the specified object is equal to this CompositeData instance.
Parameters:
- obj - the object to be compared for equality with this CompositeData instance.

public Object get (String key)

Returns the value of the item whose name is key.

public Object getAll (String keys)

Returns an array of the values of the items whose names are specified by keys, in the same order as keys.

public CompositeType getCompositeType ()

Returns the composite type of this composite data instance.

public int hashCode ()

Returns the hash code value for this CompositeData instance.

The hash code of a CompositeData instance is the sum of the hash codes of all elements of information used in equals comparisons (ie: its composite type and all the item values).

This ensures that t1.equals(t2) implies that t1.hashCode()==t2.hashCode() for any two CompositeData instances t1 and t2, as required by the general contract of the method Object.hashCode().

Each item value's hash code is added to the returned hash code. If an item value is an array, its hash code is obtained as if by calling the deepHashCode method for arrays of object reference types or the appropriate overloading of Arrays.hashCode(e) for arrays of primitive types.
Returns: the hash code value for this CompositeData instance

public String toString ()

Returns a string representation of this CompositeData instance.

The string representation consists of the name of the implementing class, the string representation of the composite type of this instance, and the string representation of the contents (ie list the itemName=itemValue mappings).
Returns: a string representation of this CompositeData instance

public Collection<Object> values ()

Returns an unmodifiable Collection view of the item values contained in this CompositeData instance.