Java 类com.esotericsoftware.kryo.util.UnsafeUtil 实例源码

/** Releases a direct buffer. {@link #setBuffer(ByteBuffer)} must be called before any write operations can be performed. */
public void release () {
    close();
    UnsafeUtil.releaseBuffer(niobuffer);
    niobuffer = null;
}

/** Release a direct buffer. {@link #setBuffer(ByteBuffer, int)} should be called before next write operations can be called.
 * 
 * NOTE: If Cleaner is not accessible due to SecurityManager restrictions, reflection could be used to obtain the "clean"
 * method and then invoke it. */
public void release () {
    clear();
    UnsafeUtil.releaseBuffer(niobuffer);
    niobuffer = null;
}

/*** Release a direct buffer. {@link #setBuffer(ByteBuffer, int, int)} should be called before next write operations can be
 * called. */
public void release () {
    close();
    UnsafeUtil.releaseBuffer(niobuffer);
    niobuffer = null;
}

/*** Release a direct buffer. {@link #setBuffer(ByteBuffer, int)} should be called before next write operations can be called.
 * 
 * NOTE: If Cleaner is not accessible due to SecurityManager restrictions, reflection could be used to obtain the "clean"
 * method and then invoke it. */
public void release () {
    clear();
    UnsafeUtil.releaseBuffer(niobuffer);
    niobuffer = null;
}

/** Releases a direct buffer. {@link #setBuffer(ByteBuffer)} must be called before any write operations can be performed. */
public void release () {
    close();
    UnsafeUtil.releaseBuffer(niobuffer);
    niobuffer = null;
}

/** Release a direct buffer. {@link #setBuffer(ByteBuffer, int)} should be called before next write operations can be called.
 * 
 * NOTE: If Cleaner is not accessible due to SecurityManager restrictions, reflection could be used to obtain the "clean"
 * method and then invoke it. */
public void release () {
    clear();
    UnsafeUtil.releaseBuffer(niobuffer);
    niobuffer = null;
}

/*** Release a direct buffer. {@link #setBuffer(ByteBuffer, int, int)} should be called before next write operations can be
 * called. */
public void release () {
    close();
    UnsafeUtil.releaseBuffer(niobuffer);
    niobuffer = null;
}

/*** Release a direct buffer. {@link #setBuffer(ByteBuffer, int)} should be called before next write operations can be called.
 * 
 * NOTE: If Cleaner is not accessible due to SecurityManager restrictions, reflection could be used to obtain the "clean"
 * method and then invoke it. */
public void release () {
    clear();
    UnsafeUtil.releaseBuffer(niobuffer);
    niobuffer = null;
}

/** This constructor allows for creation of a direct ByteBuffer of a given size at a given address.
 * 
 * <p>
 * Typical usage could look like this snippet:
 * 
 * <pre>
 * // Explicitly allocate memory
 * long bufAddress = UnsafeUtil.unsafe().allocateMemory(4096);
 * // Create a ByteBufferInput using the allocated memory region
 * ByteBufferInput buffer = new ByteBufferInput(bufAddress, 4096);
 * 
 * // Do some operations on this buffer here
 * 
 * // Say that ByteBuffer won't be used anymore
 * buffer.release();
 * // Release the allocated region
 * UnsafeUtil.unsafe().freeMemory(bufAddress);
 * </pre>
 * 
 * @param address starting address of a memory region pre-allocated using Unsafe.allocateMemory() */
public ByteBufferInput (long address, int size) {
    setBuffer(UnsafeUtil.getDirectBufferAt(address, size));
}

/** Creates a direct ByteBuffer of a given size at a given address.
 * <p>
 * Typical usage could look like this snippet:
 * 
 * <pre>
 * // Explicitly allocate memory
 * long bufAddress = UnsafeUtil.unsafe().allocateMemory(4096);
 * // Create a ByteBufferOutput using the allocated memory region
 * ByteBufferOutput buffer = new ByteBufferOutput(bufAddress, 4096);
 * 
 * // Do some operations on this buffer here
 * 
 * // Say that ByteBuffer won't be used anymore
 * buffer.release();
 * // Release the allocated region
 * UnsafeUtil.unsafe().freeMemory(bufAddress);
 * </pre>
 * @param address starting address of a memory region pre-allocated using Unsafe.allocateMemory()
 * @param maxBufferSize */
public ByteBufferOutput (long address, int maxBufferSize) {
    niobuffer = UnsafeUtil.getDirectBufferAt(address, maxBufferSize);
    setBuffer(niobuffer, maxBufferSize);
}

/*** This constructor allows for creation of a direct ByteBuffer of a given size at a given address.
 * 
 * <p>
 * Typical usage could look like this snippet:
 * 
 * <pre>
 * // Explicitly allocate memory
 * long bufAddress = UnsafeUtil.unsafe().allocateMemory(4096);
 * // Create a ByteBufferInput using the allocated memory region
 * ByteBufferInput buffer = new ByteBufferInput(bufAddress, 4096);
 * 
 * // Do some operations on this buffer here
 * 
 * // Say that ByteBuffer won't be used anymore
 * buffer.release();
 * // Release the allocated region
 * UnsafeUtil.unsafe().freeMemory(bufAddress);
 * </pre>
 * 
 * @param address starting address of a memory region pre-allocated using Unsafe.allocateMemory()
 * @param maxBufferSize */
public ByteBufferInput (long address, int maxBufferSize) {
    niobuffer = UnsafeUtil.getDirectBufferAt(address, maxBufferSize);
    setBuffer(niobuffer, 0, maxBufferSize);
}

/*** This constructor allows for creation of a direct ByteBuffer of a given size at a given address.
 * 
 * <p>
 * Typical usage could look like this snippet:
 * 
 * <pre>
 * // Explicitly allocate memory
 * long bufAddress = UnsafeUtil.unsafe().allocateMemory(4096);
 * // Create a ByteBufferOutput using the allocated memory region
 * ByteBufferOutput buffer = new ByteBufferOutput(bufAddress, 4096);
 * 
 * // Do some operations on this buffer here
 * 
 * // Say that ByteBuffer won't be used anymore
 * buffer.release();
 * // Release the allocated region
 * UnsafeUtil.unsafe().freeMemory(bufAddress);
 * </pre>
 * 
 * @param address starting address of a memory region pre-allocated using Unsafe.allocateMemory()
 * @param maxBufferSize */
public ByteBufferOutput (long address, int maxBufferSize) {
    niobuffer = UnsafeUtil.getDirectBufferAt(address, maxBufferSize);
    setBuffer(niobuffer, maxBufferSize);
}

/** This constructor allows for creation of a direct ByteBuffer of a given size at a given address.
 * 
 * <p>
 * Typical usage could look like this snippet:
 * 
 * <pre>
 * // Explicitly allocate memory
 * long bufAddress = UnsafeUtil.unsafe().allocateMemory(4096);
 * // Create a ByteBufferInput using the allocated memory region
 * ByteBufferInput buffer = new ByteBufferInput(bufAddress, 4096);
 * 
 * // Do some operations on this buffer here
 * 
 * // Say that ByteBuffer won't be used anymore
 * buffer.release();
 * // Release the allocated region
 * UnsafeUtil.unsafe().freeMemory(bufAddress);
 * </pre>
 * 
 * @param address starting address of a memory region pre-allocated using Unsafe.allocateMemory() */
public ByteBufferInput (long address, int size) {
    setBuffer(UnsafeUtil.getDirectBufferAt(address, size));
}

/** Creates a direct ByteBuffer of a given size at a given address.
 * <p>
 * Typical usage could look like this snippet:
 * 
 * <pre>
 * // Explicitly allocate memory
 * long bufAddress = UnsafeUtil.unsafe().allocateMemory(4096);
 * // Create a ByteBufferOutput using the allocated memory region
 * ByteBufferOutput buffer = new ByteBufferOutput(bufAddress, 4096);
 * 
 * // Do some operations on this buffer here
 * 
 * // Say that ByteBuffer won't be used anymore
 * buffer.release();
 * // Release the allocated region
 * UnsafeUtil.unsafe().freeMemory(bufAddress);
 * </pre>
 * @param address starting address of a memory region pre-allocated using Unsafe.allocateMemory()
 * @param maxBufferSize */
public ByteBufferOutput (long address, int maxBufferSize) {
    niobuffer = UnsafeUtil.getDirectBufferAt(address, maxBufferSize);
    setBuffer(niobuffer, maxBufferSize);
}

/*** This constructor allows for creation of a direct ByteBuffer of a given size at a given address.
 * 
 * <p>
 * Typical usage could look like this snippet:
 * 
 * <pre>
 * // Explicitly allocate memory
 * long bufAddress = UnsafeUtil.unsafe().allocateMemory(4096);
 * // Create a ByteBufferInput using the allocated memory region
 * ByteBufferInput buffer = new ByteBufferInput(bufAddress, 4096);
 * 
 * // Do some operations on this buffer here
 * 
 * // Say that ByteBuffer won't be used anymore
 * buffer.release();
 * // Release the allocated region
 * UnsafeUtil.unsafe().freeMemory(bufAddress);
 * </pre>
 * 
 * @param address starting address of a memory region pre-allocated using Unsafe.allocateMemory()
 * @param maxBufferSize */
public ByteBufferInput (long address, int maxBufferSize) {
    niobuffer = UnsafeUtil.getDirectBufferAt(address, maxBufferSize);
    setBuffer(niobuffer, 0, maxBufferSize);
}

/*** This constructor allows for creation of a direct ByteBuffer of a given size at a given address.
 * 
 * <p>
 * Typical usage could look like this snippet:
 * 
 * <pre>
 * // Explicitly allocate memory
 * long bufAddress = UnsafeUtil.unsafe().allocateMemory(4096);
 * // Create a ByteBufferOutput using the allocated memory region
 * ByteBufferOutput buffer = new ByteBufferOutput(bufAddress, 4096);
 * 
 * // Do some operations on this buffer here
 * 
 * // Say that ByteBuffer won't be used anymore
 * buffer.release();
 * // Release the allocated region
 * UnsafeUtil.unsafe().freeMemory(bufAddress);
 * </pre>
 * 
 * @param address starting address of a memory region pre-allocated using Unsafe.allocateMemory()
 * @param maxBufferSize */
public ByteBufferOutput (long address, int maxBufferSize) {
    niobuffer = UnsafeUtil.getDirectBufferAt(address, maxBufferSize);
    setBuffer(niobuffer, maxBufferSize);
}