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8215300: additional changes to constants API

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Reviewed-by: goetz
This commit is contained in:
Vicente Romero 2018-12-13 10:35:09 -05:00
parent a3df1d618e
commit 650f3fc113
12 changed files with 96 additions and 24 deletions
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3
src/java.base/share/classes/java/lang/invoke/TypeDescriptor.java
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@ -61,7 +61,8 @@ public interface TypeDescriptor {
boolean isArray();
/**
* Does this field descriptor describe a primitive type?
* Does this field descriptor describe a primitive type (including void.)
*
* @return whether this field descriptor describes a primitive type
*/
boolean isPrimitive();

24
src/java.base/share/classes/java/lang/invoke/VarHandle.java
View file

@ -1864,6 +1864,16 @@ public abstract class VarHandle implements Constable {
}
}
/**
* Compare this {@linkplain VarHandle} with another object for equality.
* Two {@linkplain VarHandle}s are considered equal if they both describe the
* same instance field, both describe the same static field, both describe
* array elements for arrays with the same component type, or both describe
* the same component of an off-heap structure.
*
* @param o the other object
* @return Whether this {@linkplain VarHandle} is equal to the other object
*/
@Override
public final boolean equals(Object o) {
if (this == o) return true;
@ -1883,6 +1893,12 @@ public abstract class VarHandle implements Constable {
abstract int internalHashCode();
/**
* Returns a compact textual description of this {@linkplain VarHandle},
* including the type of variable described, and a description of its coordinates.
*
* @return A compact textual description of this {@linkplain VarHandle}
*/
@Override
public final String toString() {
return String.format("VarHandle[varType=%s, coord=%s]",
@ -2272,6 +2288,14 @@ public abstract class VarHandle implements Constable {
}
}
/**
* Returns a compact textual description of this constant description.
* For a field {@linkplain VarHandle}, includes the owner, name, and type
* of the field, and whether it is static; for an array {@linkplain VarHandle},
* the name of the component type.
*
* @return A compact textual description of this descriptor
*/
@Override
public String toString() {
switch (kind) {