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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package com.sun.jdi;
import java.util.List;
/**
* Provides access to an array object and its components in the target VM.
* Each array component is mirrored by a {@link Value} object.
* The array components, in aggregate, are placed in {@link java.util.List}
* objects instead of arrays for consistency with the rest of the API and
* for interoperability with other APIs.
*
* @author Robert Field
* @author Gordon Hirsch
* @author James McIlree
* @since 1.3
*/
@jdk.Exported
public interface ArrayReference extends ObjectReference {
/**
* Returns the number of components in this array.
*
* @return the integer count of components in this array.
*/
int length();
/**
* Returns an array component value.
*
* @param index the index of the component to retrieve
* @return the {@link Value} at the given index.
* @throws java.lang.IndexOutOfBoundsException if
* <CODE><I>index</I></CODE> is outside the range of this array,
* that is, if either of the following are true:
* <PRE>
* <I>index</I> < 0
* <I>index</I> >= {@link #length() length()} </PRE>
*/
Value getValue(int index);
/**
* Returns all of the components in this array.
*
* @return a list of {@link Value} objects, one for each array
* component ordered by array index. For zero length arrays,
* an empty list is returned.
*/
List<Value> getValues();
/**
* Returns a range of array components.
*
* @param index the index of the first component to retrieve
* @param length the number of components to retrieve, or -1 to
* retrieve all components to the end of this array.
* @return a list of {@link Value} objects, one for each requested
* array component ordered by array index. When there are
* no elements in the specified range (e.g.
* <CODE><I>length</I></CODE> is zero) an empty list is returned
*
* @throws java.lang.IndexOutOfBoundsException if the range
* specified with <CODE><I>index</I></CODE> and
* <CODE><I>length</I></CODE> is not within the range of the array,
* that is, if either of the following are true:
* <PRE>
* <I>index</I> < 0
* <I>index</I> > {@link #length() length()} </PRE>
* or if <CODE><I>length</I> != -1</CODE> and
* either of the following are true:
* <PRE>
* <I>length</I> < 0
* <I>index</I> + <I>length</I> > {@link #length() length()}</PRE>
*/
List<Value> getValues(int index, int length);
/**
* Replaces an array component with another value.
* <p>
* Object values must be assignment compatible with the component type
* (This implies that the component type must be loaded through the
* declaring class's class loader). Primitive values must be
* either assignment compatible with the component type or must be
* convertible to the component type without loss of information.
* See JLS section 5.2 for more information on assignment
* compatibility.
*
* @param value the new value
* @param index the index of the component to set
* @throws java.lang.IndexOutOfBoundsException if
* <CODE><I>index</I></CODE> is outside the range of this array,
* that is, if either of the following are true:
* <PRE>
* <I>index</I> < 0
* <I>index</I> >= {@link #length() length()} </PRE>
* @throws InvalidTypeException if the type of <CODE><I>value</I></CODE>
* is not compatible with the declared type of array components.
* @throws ClassNotLoadedException if the array component type
* has not yet been loaded
* through the appropriate class loader.
* @throws VMCannotBeModifiedException if the VirtualMachine is read-only - see {@link VirtualMachine#canBeModified()}.
*
* @see ArrayType#componentType()
*/
void setValue(int index, Value value)
throws InvalidTypeException,
ClassNotLoadedException;
/**
* Replaces all array components with other values. If the given
* list is larger in size than the array, the values at the
* end of the list are ignored.
* <p>
* Object values must be assignment compatible with the element type
* (This implies that the component type must be loaded through the
* enclosing class's class loader). Primitive values must be
* either assignment compatible with the component type or must be
* convertible to the component type without loss of information.
* See JLS section 5.2 for more information on assignment
* compatibility.
*
* @param values a list of {@link Value} objects to be placed
* in this array. If <CODE><I>values</I>.size()</CODE> is
* less that the length of the array, the first
* <CODE><I>values</I>.size()</CODE> elements are set.
* @throws InvalidTypeException if any of the
* new <CODE><I>values</I></CODE>
* is not compatible with the declared type of array components.
* @throws ClassNotLoadedException if the array component
* type has not yet been loaded
* through the appropriate class loader.
* @throws VMCannotBeModifiedException if the VirtualMachine is read-only - see {@link VirtualMachine#canBeModified()}.
*
* @see ArrayType#componentType()
*/
void setValues(List<? extends Value> values)
throws InvalidTypeException,
ClassNotLoadedException;
/**
* Replaces a range of array components with other values.
* <p>
* Object values must be assignment compatible with the component type
* (This implies that the component type must be loaded through the
* enclosing class's class loader). Primitive values must be
* either assignment compatible with the component type or must be
* convertible to the component type without loss of information.
* See JLS section 5.2 for more information on assignment
* compatibility.
*
* @param index the index of the first component to set.
* @param values a list of {@link Value} objects to be placed
* in this array.
* @param srcIndex the index of the first source value to use.
* @param length the number of components to set, or -1 to set
* all components to the end of this array or the end of
* <CODE><I>values</I></CODE> (whichever comes first).
* @throws InvalidTypeException if any element of
* <CODE><I>values</I></CODE>
* is not compatible with the declared type of array components.
* @throws java.lang.IndexOutOfBoundsException if the
* array range specified with
* <CODE><I>index</I></CODE> and <CODE><I>length</I></CODE>
* is not within the range of the array,
* or if the source range specified with
* <CODE><I>srcIndex</I></CODE> and <CODE><I>length</I></CODE>
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