org.eclipse.mat.snapshot.model.IPrimitiveArray Maven / Gradle / Ivy
The newest version!
/*******************************************************************************
* Copyright (c) 2008 SAP AG.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* SAP AG - initial API and implementation
*******************************************************************************/
package org.eclipse.mat.snapshot.model;
/**
* Interface for primitive arrays in the heap dump.
*
* @noimplement
*/
public interface IPrimitiveArray extends IArray {
/**
* Primitive signatures.
*/
public static final byte[] SIGNATURES = {-1, -1, -1, -1, (byte) 'Z', (byte) 'C', (byte) 'F', (byte) 'D',
(byte) 'B', (byte) 'S', (byte) 'I', (byte) 'J'};
/**
* Element sizes inside the array.
*/
public static final int[] ELEMENT_SIZE = {-1, -1, -1, -1, 1, 2, 4, 8, 1, 2, 4, 8};
/**
* Display string of the type.
*/
@SuppressWarnings("nls")
public static final String[] TYPE = {null, null, null, null, "boolean[]", "char[]", "float[]", "double[]",
"byte[]", "short[]", "int[]", "long[]"};
/**
* Java component type of the primitive array.
*/
public static final Class[] COMPONENT_TYPE = {null, null, null, null, boolean.class, char.class, float.class,
double.class, byte.class, short.class, int.class, long.class};
/**
* Returns the {@link Type} of the primitive array.
*/
public int getType();
/**
* Returns the component type of the array.
*/
public Class getComponentType();
/**
* Returns the Object at a given index.
*/
public Object getValueAt(int index);
/**
* Get the primitive Java array. The return value can be casted into the
* correct component type, e.g.
*
*
* if (char.class == array.getComponentType())
* {
* char[] content = (char[]) array.getValueArray();
* System.out.println(content.length);
* }
*
*
* The return value must not be modified because it is cached by the heap
* dump adapter. This method does not return a copy of the array for
* performance reasons.
*/
public Object getValueArray();
/**
* Get the primitive Java array, beginning at offset and
* length number of elements.
*
* The return value must not be modified because it is cached by the heap
* dump adapter. This method does not return a copy of the array for
* performance reasons.
*/
public Object getValueArray(int offset, int length);
}