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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2001-2004
* Sleepycat Software. All rights reserved.
*
* $Id: AssociateCallbacks.java,v 1.3 2004/04/06 20:43:41 mjc Exp $
*/
package com.sleepycat.db.rpcserver;
import com.sleepycat.db.*;
/** Implementations of the callbacks required by the Tcl test suite. **/
class AssociateCallbacks {
/*
* Tcl passes one of these special flags for the callbacks used in the
* test suite. Note: these must match db_int.in!
*/
static final int DB_RPC2ND_REVERSEDATA = 0x00100000;
static final int DB_RPC2ND_NOOP = 0x00200000;
static final int DB_RPC2ND_CONCATKEYDATA = 0x00300000;
static final int DB_RPC2ND_CONCATDATAKEY = 0x00400000;
static final int DB_RPC2ND_REVERSECONCAT = 0x00500000;
static final int DB_RPC2ND_TRUNCDATA = 0x00600000;
static final int DB_RPC2ND_CONSTANT = 0x00700000;
static final int DB_RPC2ND_GETZIP = 0x00800000;
static final int DB_RPC2ND_GETNAME = 0x00900000;
static final int DB_RPC2ND_MASK = 0x00f00000;
static SecondaryKeyCreator getCallback(int flags) {
switch(flags & DB_RPC2ND_MASK) {
case 0:
return null;
case DB_RPC2ND_REVERSEDATA:
return new SecondaryKeyCreator() {
public boolean createSecondaryKey(SecondaryDatabase secondary,
DatabaseEntry key, DatabaseEntry data, DatabaseEntry result)
throws DatabaseException {
byte[] dataBuf = data.getData();
int dataSize = data.getSize();
byte[] buf = new byte[dataSize];
for (int i = 0; i < dataSize; i++)
buf[dataSize - 1 - i] = dataBuf[i];
result.setData(buf);
result.setSize(buf.length);
return true;
}
};
case DB_RPC2ND_NOOP:
return new SecondaryKeyCreator() {
public boolean createSecondaryKey(SecondaryDatabase secondary,
DatabaseEntry key, DatabaseEntry data, DatabaseEntry result)
throws DatabaseException {
result.setData(data.getData());
result.setSize(data.getSize());
return true;
}
};
case DB_RPC2ND_CONCATKEYDATA:
return new SecondaryKeyCreator() {
public boolean createSecondaryKey(SecondaryDatabase secondary,
DatabaseEntry key, DatabaseEntry data, DatabaseEntry result)
throws DatabaseException {
byte[] buf = new byte[key.getSize() +
data.getSize()];
System.arraycopy(key.getData(), 0,
buf, 0,
key.getSize());
System.arraycopy(data.getData(), 0,
buf, key.getSize(),
data.getSize());
result.setData(buf);
result.setSize(buf.length);
return true;
}
};
case DB_RPC2ND_CONCATDATAKEY:
return new SecondaryKeyCreator() {
public boolean createSecondaryKey(SecondaryDatabase secondary,
DatabaseEntry key, DatabaseEntry data, DatabaseEntry result)
throws DatabaseException {
byte[] buf = new byte[key.getSize() +
data.getSize()];
System.arraycopy(data.getData(), 0,
buf, 0,
data.getSize());
System.arraycopy(key.getData(), 0,
buf, data.getSize(),
key.getSize());
result.setData(buf);
result.setSize(buf.length);
return true;
}
};
case DB_RPC2ND_REVERSECONCAT:
return new SecondaryKeyCreator() {
public boolean createSecondaryKey(SecondaryDatabase secondary,
DatabaseEntry key, DatabaseEntry data, DatabaseEntry result)
throws DatabaseException {
byte[] keyBuf = key.getData();
int keySize = key.getSize();
byte[] dataBuf = data.getData();
int dataSize = data.getSize();
byte[] buf = new byte[keySize + dataSize];
for (int i = 0; i < keySize; i++)
buf[buf.length - 1 - i] = keyBuf[i];
for (int i = 0; i < dataSize; i++)
buf[dataSize - 1 - i] = dataBuf[i];
result.setData(buf);
result.setSize(buf.length);
return true;
}
};
case DB_RPC2ND_TRUNCDATA:
return new SecondaryKeyCreator() {
public boolean createSecondaryKey(SecondaryDatabase secondary,
DatabaseEntry key, DatabaseEntry data, DatabaseEntry result)
throws DatabaseException {
result.setData(data.getData());
result.setOffset(1);
result.setSize(data.getSize() - 1);
return true;
}
};
case DB_RPC2ND_CONSTANT:
return new SecondaryKeyCreator() {
public boolean createSecondaryKey(SecondaryDatabase secondary,
DatabaseEntry key, DatabaseEntry data, DatabaseEntry result)
throws DatabaseException {
byte[] buf = "constant data".getBytes();
result.setData(buf);
result.setSize(buf.length);
return true;
}
};
case DB_RPC2ND_GETZIP:
return new SecondaryKeyCreator() {
public boolean createSecondaryKey(SecondaryDatabase secondary,
DatabaseEntry key, DatabaseEntry data, DatabaseEntry result)
throws DatabaseException {
result.setData(data.getData());
result.setSize(5);
return true;
}
};
case DB_RPC2ND_GETNAME:
return new SecondaryKeyCreator() {
public boolean createSecondaryKey(SecondaryDatabase secondary,
DatabaseEntry key, DatabaseEntry data, DatabaseEntry result)
throws DatabaseException {
result.setData(data.getData());
result.setOffset(5);
result.setSize(data.getSize() - 5);
return true;
}
};
default:
Server.err.println("Warning: Java RPC server doesn't implement callback: " + (flags & DB_RPC2ND_MASK));
return null;
}
}
// Utility classes should not have a public or default constructor
protected AssociateCallbacks() {
}
}
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