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Postgres FD Implementation
Commit 934c5b84 authored by Bruce Momjian's avatar Bruce Momjian
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Remove postgresql jdbc files, per Peter Mount.

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src/interfaces/jdbc/postgresql/fastpath/Fastpath.java deleted 100644 → 0
View file @ 730d1c0d
package postgresql.fastpath;
import java.io.*;
import java.lang.*;
import java.net.*;
import java.util.*;
import java.sql.*;
import postgresql.util.*;
// Important: There are a lot of debug code commented out. Please do not
// delete these.
/**
* This class implements the Fastpath api.
*
* <p>This is a means of executing functions imbeded in the postgresql backend
* from within a java application.
*
* <p>It is based around the file src/interfaces/libpq/fe-exec.c
*
*
* <p><b>Implementation notes:</b>
*
* <p><b><em>Network protocol:</em></b>
*
* <p>The code within the backend reads integers in reverse.
*
* <p>There is work in progress to convert all of the protocol to
* network order but it may not be there for v6.3
*
* <p>When fastpath switches, simply replace SendIntegerReverse() with
* SendInteger()
*
* @see postgresql.FastpathFastpathArg
* @see postgresql.LargeObject
*/
public class Fastpath
{
// This maps the functions names to their id's (possible unique just
// to a connection).
protected Hashtable func = new Hashtable();
protected postgresql.Connection conn; // our connection
protected postgresql.PG_Stream stream; // the network stream
/**
* Initialises the fastpath system
*
* <p><b>Important Notice</b>
* <br>This is called from postgresql.Connection, and should not be called
* from client code.
*
* @param conn postgresql.Connection to attach to
* @param stream The network stream to the backend
*/
public Fastpath(postgresql.Connection conn,postgresql.PG_Stream stream)
{
this.conn=conn;
this.stream=stream;
//DriverManager.println("Fastpath initialised");
}
/**
* Send a function call to the PostgreSQL backend
*
* @param fnid Function id
* @param resulttype True if the result is an integer, false for other results
* @param args FastpathArguments to pass to fastpath
* @return null if no data, Integer if an integer result, or byte[] otherwise
* @exception SQLException if a database-access error occurs.
*/
public Object fastpath(int fnid,boolean resulttype,FastpathArg[] args) throws SQLException
{
// added Oct 7 1998 to give us thread safety
synchronized(stream) {
// send the function call
try {
// 70 is 'F' in ASCII. Note: don't use SendChar() here as it adds padding
// that confuses the backend. The 0 terminates the command line.
stream.SendInteger(70,1);
stream.SendInteger(0,1);
//stream.SendIntegerReverse(fnid,4);
//stream.SendIntegerReverse(args.length,4);
stream.SendInteger(fnid,4);
stream.SendInteger(args.length,4);
for(int i=0;i<args.length;i++)
args[i].send(stream);
// This is needed, otherwise data can be lost
stream.flush();
} catch(IOException ioe) {
throw new PSQLException("postgresql.fp.send",new Integer(fnid),ioe);
}
// Now handle the result
// We should get 'V' on sucess or 'E' on error. Anything else is treated
// as an error.
//int in = stream.ReceiveChar();
//DriverManager.println("ReceiveChar() = "+in+" '"+((char)in)+"'");
//if(in!='V') {
//if(in=='E')
//throw new SQLException(stream.ReceiveString(4096));
//throw new SQLException("Fastpath: expected 'V' from backend, got "+((char)in));
//}
// Now loop, reading the results
Object result = null; // our result
while(true) {
int in = stream.ReceiveChar();
//DriverManager.println("ReceiveChar() = "+in+" '"+((char)in)+"'");
switch(in)
{
case 'V':
break;
//------------------------------
// Function returned properly
//
case 'G':
int sz = stream.ReceiveIntegerR(4);
//DriverManager.println("G: size="+sz); //debug
// Return an Integer if
if(resulttype)
result = new Integer(stream.ReceiveIntegerR(sz));
else {
byte buf[] = new byte[sz];
stream.Receive(buf,0,sz);
result = buf;
}
break;
//------------------------------
// Error message returned
case 'E':
throw new PSQLException("postgresql.fp.error",stream.ReceiveString(4096));
//------------------------------
// Notice from backend
case 'N':
conn.addWarning(stream.ReceiveString(4096));
break;
//------------------------------
// End of results
//
// Here we simply return res, which would contain the result
// processed earlier. If no result, this already contains null
case '0':
//DriverManager.println("returning "+result);
return result;
default:
throw new PSQLException("postgresql.fp.protocol",new Character((char)in));
}
}
}
}
/**
* Send a function call to the PostgreSQL backend by name.
*
* Note: the mapping for the procedure name to function id needs to exist,
* usually to an earlier call to addfunction().
*
* This is the prefered method to call, as function id's can/may change
* between versions of the backend.
*
* For an example of how this works, refer to postgresql.LargeObject
*
* @param name Function name
* @param resulttype True if the result is an integer, false for other
* results
* @param args FastpathArguments to pass to fastpath
* @return null if no data, Integer if an integer result, or byte[] otherwise
* @exception SQLException if name is unknown or if a database-access error
* occurs.
* @see postgresql.LargeObject
*/
public Object fastpath(String name,boolean resulttype,FastpathArg[] args) throws SQLException
{
//DriverManager.println("Fastpath: calling "+name);
return fastpath(getID(name),resulttype,args);
}
/**
* This convenience method assumes that the return value is an Integer
* @param name Function name
* @param args Function arguments
* @return integer result
* @exception SQLException if a database-access error occurs or no result
*/
public int getInteger(String name,FastpathArg[] args) throws SQLException
{
Integer i = (Integer)fastpath(name,true,args);
if(i==null)
throw new PSQLException("postgresql.fp.expint",name);
return i.intValue();
}
/**
* This convenience method assumes that the return value is an Integer
* @param name Function name
* @param args Function arguments
* @return byte[] array containing result
* @exception SQLException if a database-access error occurs or no result
*/
public byte[] getData(String name,FastpathArg[] args) throws SQLException
{
return (byte[])fastpath(name,false,args);
}
/**
* This adds a function to our lookup table.
*
* <p>User code should use the addFunctions method, which is based upon a
* query, rather than hard coding the oid. The oid for a function is not
* guaranteed to remain static, even on different servers of the same
* version.
*
* @param name Function name
* @param fnid Function id
*/
public void addFunction(String name,int fnid)
{
func.put(name,new Integer(fnid));
}
/**
* This takes a ResultSet containing two columns. Column 1 contains the
* function name, Column 2 the oid.
*
* <p>It reads the entire ResultSet, loading the values into the function
* table.
*
* <p><b>REMEMBER</b> to close() the resultset after calling this!!
*
* <p><b><em>Implementation note about function name lookups:</em></b>
*
* <p>PostgreSQL stores the function id's and their corresponding names in
* the pg_proc table. To speed things up locally, instead of querying each
* function from that table when required, a Hashtable is used. Also, only
* the function's required are entered into this table, keeping connection
* times as fast as possible.
*
* <p>The postgresql.LargeObject class performs a query upon it's startup,
* and passes the returned ResultSet to the addFunctions() method here.
*
* <p>Once this has been done, the LargeObject api refers to the functions by
* name.
*
* <p>Dont think that manually converting them to the oid's will work. Ok,
* they will for now, but they can change during development (there was some
* discussion about this for V7.0), so this is implemented to prevent any
* unwarranted headaches in the future.
*
* @param rs ResultSet
* @exception SQLException if a database-access error occurs.
* @see postgresql.LargeObjectManager
*/
public void addFunctions(ResultSet rs) throws SQLException
{
while(rs.next()) {
func.put(rs.getString(1),new Integer(rs.getInt(2)));
}
}
/**
* This returns the function id associated by its name
*
* <p>If addFunction() or addFunctions() have not been called for this name,
* then an SQLException is thrown.
*
* @param name Function name to lookup
* @return Function ID for fastpath call
* @exception SQLException is function is unknown.
*/
public int getID(String name) throws SQLException
{
Integer id = (Integer)func.get(name);
// may be we could add a lookup to the database here, and store the result
// in our lookup table, throwing the exception if that fails.
// We must, however, ensure that if we do, any existing ResultSet is
// unaffected, otherwise we could break user code.
//
// so, until we know we can do this (needs testing, on the TODO list)
// for now, we throw the exception and do no lookups.
if(id==null)
throw new PSQLException("postgresql.fp.unknown",name);
return id.intValue();
}
}
src/interfaces/jdbc/postgresql/fastpath/FastpathArg.java deleted 100644 → 0
View file @ 730d1c0d
package postgresql.fastpath;
import java.io.*;
import java.lang.*;
import java.net.*;
import java.util.*;
import java.sql.*;
import postgresql.util.*;
/**
* Each fastpath call requires an array of arguments, the number and type
* dependent on the function being called.
*
* <p>This class implements methods needed to provide this capability.
*
* <p>For an example on how to use this, refer to the postgresql.largeobject
* package
*
* @see postgresql.fastpath.Fastpath
* @see postgresql.largeobject.LargeObjectManager
* @see postgresql.largeobject.LargeObject
*/
public class FastpathArg
{
/**
* Type of argument, true=integer, false=byte[]
*/
public boolean type;
/**
* Integer value if type=true
*/
public int value;
/**
* Byte value if type=false;
*/
public byte[] bytes;
/**
* Constructs an argument that consists of an integer value
* @param value int value to set
*/
public FastpathArg(int value)
{
type=true;
this.value=value;
}
/**
* Constructs an argument that consists of an array of bytes
* @param bytes array to store
*/
public FastpathArg(byte bytes[])
{
type=false;
this.bytes=bytes;
}
/**
* Constructs an argument that consists of part of a byte array
* @param buf source array
* @param off offset within array
* @param len length of data to include
*/
public FastpathArg(byte buf[],int off,int len)
{
type=false;
bytes = new byte[len];
System.arraycopy(buf,off,bytes,0,len);
}
/**
* Constructs an argument that consists of a String.
* @param s String to store
*/
public FastpathArg(String s)
{
this(s.getBytes());
}
/**
* This sends this argument down the network stream.
*
* <p>The stream sent consists of the length.int4 then the contents.
*
* <p><b>Note:</b> This is called from Fastpath, and cannot be called from
* client code.
*
* @param s output stream
* @exception IOException if something failed on the network stream
*/
protected void send(postgresql.PG_Stream s) throws IOException
{
if(type) {
// argument is an integer
s.SendInteger(4,4); // size of an integer
s.SendInteger(value,4); // integer value of argument
} else {
// argument is a byte array
s.SendInteger(bytes.length,4); // size of array
s.Send(bytes);
}
}
}
src/interfaces/jdbc/postgresql/geometric/PGbox.java deleted 100644 → 0
View file @ 730d1c0d
package postgresql.geometric;
import java.io.*;
import java.sql.*;
import postgresql.util.*;
/**
* This represents the box datatype within postgresql.
*/
public class PGbox extends PGobject implements Serializable,Cloneable
{
/**
* These are the two points.
*/
public PGpoint point[] = new PGpoint[2];
/**
* @param x1 first x coordinate
* @param y1 first y coordinate
* @param x2 second x coordinate
* @param y2 second y coordinate
*/
public PGbox(double x1,double y1,double x2,double y2)
{
this();
this.point[0] = new PGpoint(x1,y1);
this.point[1] = new PGpoint(x2,y2);
}
/**
* @param p1 first point
* @param p2 second point
*/
public PGbox(PGpoint p1,PGpoint p2)
{
this();
this.point[0] = p1;
this.point[1] = p2;
}
/**
* @param s Box definition in PostgreSQL syntax
* @exception SQLException if definition is invalid
*/
public PGbox(String s) throws SQLException
{
this();
setValue(s);
}
/**
* Required constructor
*/
public PGbox()
{
setType("box");
}
/**
* This method sets the value of this object. It should be overidden,
* but still called by subclasses.
*
* @param value a string representation of the value of the object
* @exception SQLException thrown if value is invalid for this type
*/
public void setValue(String value) throws SQLException
{
PGtokenizer t = new PGtokenizer(value,',');
if(t.getSize() != 2)
throw new PSQLException("postgresql.geo.box",value);
point[0] = new PGpoint(t.getToken(0));
point[1] = new PGpoint(t.getToken(1));
}
/**
* @param obj Object to compare with
* @return true if the two boxes are identical
*/
public boolean equals(Object obj)
{
if(obj instanceof PGbox) {
PGbox p = (PGbox)obj;
return (p.point[0].equals(point[0]) && p.point[1].equals(point[1])) ||
(p.point[0].equals(point[1]) && p.point[1].equals(point[0]));
}
return false;
}
/**
* This must be overidden to allow the object to be cloned
*/
public Object clone()
{
return new PGbox((PGpoint)point[0].clone(),(PGpoint)point[1].clone());
}
/**
* @return the PGbox in the syntax expected by postgresql
*/
public String getValue()
{
return point[0].toString()+","+point[1].toString();
}
}
src/interfaces/jdbc/postgresql/geometric/PGcircle.java deleted 100644 → 0
View file @ 730d1c0d
package postgresql.geometric;
import java.io.*;
import java.sql.*;
import postgresql.util.*;
/**
* This represents postgresql's circle datatype, consisting of a point and
* a radius
*/
public class PGcircle extends PGobject implements Serializable,Cloneable
{
/**
* This is the centre point
*/
public PGpoint center;
/**
* This is the radius
*/
double radius;
/**
* @param x coordinate of centre
* @param y coordinate of centre
* @param r radius of circle
*/
public PGcircle(double x,double y,double r)
{
this(new PGpoint(x,y),r);
}
/**
* @param c PGpoint describing the circle's centre
* @param r radius of circle
*/
public PGcircle(PGpoint c,double r)
{
this();
this.center = c;
this.radius = r;
}
/**
* @param s definition of the circle in PostgreSQL's syntax.
* @exception SQLException on conversion failure
*/
public PGcircle(String s) throws SQLException
{
this();
setValue(s);
}
/**
* This constructor is used by the driver.
*/
public PGcircle()
{
setType("circle");
}
/**
* @param s definition of the circle in PostgreSQL's syntax.
* @exception SQLException on conversion failure
*/
public void setValue(String s) throws SQLException
{
PGtokenizer t = new PGtokenizer(PGtokenizer.removeAngle(s),',');
if(t.getSize() != 2)
throw new PSQLException("postgresql.geo.circle",s);
try {
center = new PGpoint(t.getToken(0));
radius = Double.valueOf(t.getToken(1)).doubleValue();
} catch(NumberFormatException e) {
throw new PSQLException("postgresql.geo.circle",e);
}
}
/**
* @param obj Object to compare with
* @return true if the two boxes are identical
*/
public boolean equals(Object obj)
{
if(obj instanceof PGcircle) {
PGcircle p = (PGcircle)obj;
return p.center.equals(center) && p.radius==radius;
}
return false;
}
/**
* This must be overidden to allow the object to be cloned
*/
public Object clone()
{
return new PGcircle((PGpoint)center.clone(),radius);
}
/**
* @return the PGcircle in the syntax expected by postgresql
*/
public String getValue()
{
return "<"+center+","+radius+">";
}
}
src/interfaces/jdbc/postgresql/geometric/PGline.java deleted 100644 → 0
View file @ 730d1c0d
package postgresql.geometric;
import java.io.*;
import java.sql.*;
import postgresql.util.*;
/**
* This implements a line consisting of two points.
*
* Currently line is not yet implemented in the backend, but this class
* ensures that when it's done were ready for it.
*/
public class PGline extends PGobject implements Serializable,Cloneable
{
/**
* These are the two points.
*/
public PGpoint point[] = new PGpoint[2];
/**
* @param x1 coordinate for first point
* @param y1 coordinate for first point
* @param x2 coordinate for second point
* @param y2 coordinate for second point
*/
public PGline(double x1,double y1,double x2,double y2)
{
this(new PGpoint(x1,y1),new PGpoint(x2,y2));
}
/**
* @param p1 first point
* @param p2 second point
*/
public PGline(PGpoint p1,PGpoint p2)
{
this();
this.point[0] = p1;
this.point[1] = p2;
}
/**
* @param s definition of the circle in PostgreSQL's syntax.
* @exception SQLException on conversion failure
*/
public PGline(String s) throws SQLException
{
this();
setValue(s);
}
/**
* reuired by the driver
*/
public PGline()
{
setType("line");
}
/**
* @param s Definition of the line segment in PostgreSQL's syntax
* @exception SQLException on conversion failure
*/
public void setValue(String s) throws SQLException
{
PGtokenizer t = new PGtokenizer(PGtokenizer.removeBox(s),',');
if(t.getSize() != 2)
throw new PSQLException("postgresql.geo.line",s);
point[0] = new PGpoint(t.getToken(0));
point[1] = new PGpoint(t.getToken(1));
}
/**
* @param obj Object to compare with
* @return true if the two boxes are identical
*/
public boolean equals(Object obj)
{
if(obj instanceof PGline) {
PGline p = (PGline)obj;
return (p.point[0].equals(point[0]) && p.point[1].equals(point[1])) ||
(p.point[0].equals(point[1]) && p.point[1].equals(point[0]));
}
return false;
}
/**
* This must be overidden to allow the object to be cloned
*/
public Object clone()
{
return new PGline((PGpoint)point[0].clone(),(PGpoint)point[1].clone());
}
/**
* @return the PGline in the syntax expected by postgresql
*/
public String getValue()
{
return "["+point[0]+","+point[1]+"]";
}
}
src/interfaces/jdbc/postgresql/geometric/PGlseg.java deleted 100644 → 0
View file @ 730d1c0d
package postgresql.geometric;
import java.io.*;
import java.sql.*;
import postgresql.util.*;
/**
* This implements a lseg (line segment) consisting of two points
*/
public class PGlseg extends PGobject implements Serializable,Cloneable
{
/**
* These are the two points.
*/
public PGpoint point[] = new PGpoint[2];
/**
* @param x1 coordinate for first point
* @param y1 coordinate for first point
* @param x2 coordinate for second point
* @param y2 coordinate for second point
*/
public PGlseg(double x1,double y1,double x2,double y2)
{
this(new PGpoint(x1,y1),new PGpoint(x2,y2));
}
/**
* @param p1 first point
* @param p2 second point
*/
public PGlseg(PGpoint p1,PGpoint p2)
{
this();
this.point[0] = p1;
this.point[1] = p2;
}
/**
* @param s definition of the circle in PostgreSQL's syntax.
* @exception SQLException on conversion failure
*/
public PGlseg(String s) throws SQLException
{
this();
setValue(s);
}
/**
* reuired by the driver
*/
public PGlseg()
{
setType("lseg");
}
/**
* @param s Definition of the line segment in PostgreSQL's syntax
* @exception SQLException on conversion failure
*/
public void setValue(String s) throws SQLException
{
PGtokenizer t = new PGtokenizer(PGtokenizer.removeBox(s),',');
if(t.getSize() != 2)
throw new PSQLException("postgresql.geo.lseg");
point[0] = new PGpoint(t.getToken(0));
point[1] = new PGpoint(t.getToken(1));
}
/**
* @param obj Object to compare with
* @return true if the two boxes are identical
*/
public boolean equals(Object obj)
{
if(obj instanceof PGlseg) {
PGlseg p = (PGlseg)obj;
return (p.point[0].equals(point[0]) && p.point[1].equals(point[1])) ||
(p.point[0].equals(point[1]) && p.point[1].equals(point[0]));
}
return false;
}
/**
* This must be overidden to allow the object to be cloned
*/
public Object clone()
{
return new PGlseg((PGpoint)point[0].clone(),(PGpoint)point[1].clone());
}
/**
* @return the PGlseg in the syntax expected by postgresql
*/
public String getValue()
{
return "["+point[0]+","+point[1]+"]";
}
}
src/interfaces/jdbc/postgresql/geometric/PGpath.java deleted 100644 → 0
View file @ 730d1c0d
package postgresql.geometric;
import java.io.*;
import java.sql.*;
import postgresql.util.*;
/**
* This implements a path (a multiple segmented line, which may be closed)
*/
public class PGpath extends PGobject implements Serializable,Cloneable
{
/**
* True if the path is open, false if closed
*/
public boolean open;
/**
* The points defining this path
*/
public PGpoint points[];
/**
* @param points the PGpoints that define the path
* @param open True if the path is open, false if closed
*/
public PGpath(PGpoint[] points,boolean open)
{
this();
this.points = points;
this.open = open;
}
/**
* Required by the driver
*/
public PGpath()
{
setType("path");
}
/**
* @param s definition of the circle in PostgreSQL's syntax.
* @exception SQLException on conversion failure
*/
public PGpath(String s) throws SQLException
{
this();
setValue(s);
}
/**
* @param s Definition of the path in PostgreSQL's syntax
* @exception SQLException on conversion failure
*/
public void setValue(String s) throws SQLException
{
// First test to see if were open
if(s.startsWith("[") && s.endsWith("]")) {
open = true;
s = PGtokenizer.removeBox(s);
} else if(s.startsWith("(") && s.endsWith(")")) {
open = false;
s = PGtokenizer.removePara(s);
} else
throw new PSQLException("postgresql.geo.path");
PGtokenizer t = new PGtokenizer(s,',');
int npoints = t.getSize();
points = new PGpoint[npoints];
for(int p=0;p<npoints;p++)
points[p] = new PGpoint(t.getToken(p));
}
/**
* @param obj Object to compare with
* @return true if the two boxes are identical
*/
public boolean equals(Object obj)
{
if(obj instanceof PGpath) {
PGpath p = (PGpath)obj;
if(p.points.length != points.length)
return false;
if(p.open != open)
return false;
for(int i=0;i<points.length;i++)
if(!points[i].equals(p.points[i]))
return false;
return true;
}
return false;
}
/**
* This must be overidden to allow the object to be cloned
*/
public Object clone()
{
PGpoint ary[] = new PGpoint[points.length];
for(int i=0;i<points.length;i++)
ary[i]=(PGpoint)points[i].clone();
return new PGpath(ary,open);
}
/**
* This returns the polygon in the syntax expected by postgresql
*/
public String getValue()
{
StringBuffer b = new StringBuffer(open?"[":"(");
for(int p=0;p<points.length;p++) {
if(p>0) b.append(",");
b.append(points[p].toString());
}
b.append(open?"]":")");
return b.toString();
}
public boolean isOpen()
{
return open;
}
public boolean isClosed()
{
return !open;
}
public void closePath()
{
open = false;
}
public void openPath()
{
open = true;
}
}
src/interfaces/jdbc/postgresql/geometric/PGpoint.java deleted 100644 → 0
View file @ 730d1c0d
package postgresql.geometric;
import java.awt.Point;
import java.io.*;
import java.sql.*;
import postgresql.util.*;
/**
* This implements a version of java.awt.Point, except it uses double
* to represent the coordinates.
*
* <p>It maps to the point datatype in postgresql.
*/
public class PGpoint extends PGobject implements Serializable,Cloneable
{
/**
* The X coordinate of the point
*/
public double x;
/**
* The Y coordinate of the point
*/
public double y;
/**
* @param x coordinate
* @param y coordinate
*/
public PGpoint(double x,double y)
{
this();
this.x = x;
this.y = y;
}
/**
* This is called mainly from the other geometric types, when a
* point is imbeded within their definition.
*
* @param value Definition of this point in PostgreSQL's syntax
*/
public PGpoint(String value) throws SQLException
{
this();
setValue(value);
}
/**
* Required by the driver
*/
public PGpoint()
{
setType("point");
}
/**
* @param s Definition of this point in PostgreSQL's syntax
* @exception SQLException on conversion failure
*/
public void setValue(String s) throws SQLException
{
PGtokenizer t = new PGtokenizer(PGtokenizer.removePara(s),',');
try {
x = Double.valueOf(t.getToken(0)).doubleValue();
y = Double.valueOf(t.getToken(1)).doubleValue();
} catch(NumberFormatException e) {
throw new PSQLException("postgresql.geo.point",e.toString());
}
}
/**
* @param obj Object to compare with
* @return true if the two boxes are identical
*/
public boolean equals(Object obj)
{
if(obj instanceof PGpoint) {
PGpoint p = (PGpoint)obj;
return x == p.x && y == p.y;
}
return false;
}
/**
* This must be overidden to allow the object to be cloned
*/
public Object clone()
{
return new PGpoint(x,y);
}
/**
* @return the PGpoint in the syntax expected by postgresql
*/
public String getValue()
{
return "("+x+","+y+")";
}
/**
* Translate the point with the supplied amount.
* @param x integer amount to add on the x axis
* @param y integer amount to add on the y axis
*/
public void translate(int x,int y)
{
translate((double)x,(double)y);
}
/**
* Translate the point with the supplied amount.
* @param x double amount to add on the x axis
* @param y double amount to add on the y axis
*/
public void translate(double x,double y)
{
this.x += x;
this.y += y;
}
/**
* Moves the point to the supplied coordinates.
* @param x integer coordinate
* @param y integer coordinate
*/
public void move(int x,int y)
{
setLocation(x,y);
}
/**
* Moves the point to the supplied coordinates.
* @param x double coordinate
* @param y double coordinate
*/
public void move(double x,double y)
{
this.x = x;
this.y = y;
}
/**
* Moves the point to the supplied coordinates.
* refer to java.awt.Point for description of this
* @param x integer coordinate
* @param y integer coordinate
* @see java.awt.Point
*/
public void setLocation(int x,int y)
{
move((double)x,(double)y);
}
/**
* Moves the point to the supplied java.awt.Point
* refer to java.awt.Point for description of this
* @param p Point to move to
* @see java.awt.Point
*/
public void setLocation(Point p)
{
setLocation(p.x,p.y);
}
}
src/interfaces/jdbc/postgresql/geometric/PGpolygon.java deleted 100644 → 0
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package postgresql.geometric;
import java.io.*;
import java.sql.*;
import postgresql.util.*;
/**
* This implements the polygon datatype within PostgreSQL.
*/
public class PGpolygon extends PGobject implements Serializable,Cloneable
{
/**
* The points defining the polygon
*/
public PGpoint points[];
/**
* Creates a polygon using an array of PGpoints
*
* @param points the points defining the polygon
*/
public PGpolygon(PGpoint[] points)
{
this();
this.points = points;
}
/**
* @param s definition of the circle in PostgreSQL's syntax.
* @exception SQLException on conversion failure
*/
public PGpolygon(String s) throws SQLException
{
this();
setValue(s);
}
/**
* Required by the driver
*/
public PGpolygon()
{
setType("polygon");
}
/**
* @param s Definition of the polygon in PostgreSQL's syntax
* @exception SQLException on conversion failure
*/
public void setValue(String s) throws SQLException
{
PGtokenizer t = new PGtokenizer(PGtokenizer.removePara(s),',');
int npoints = t.getSize();
points = new PGpoint[npoints];
for(int p=0;p<npoints;p++)
points[p] = new PGpoint(t.getToken(p));
}
/**
* @param obj Object to compare with
* @return true if the two boxes are identical
*/
public boolean equals(Object obj)
{
if(obj instanceof PGpolygon) {
PGpolygon p = (PGpolygon)obj;
if(p.points.length != points.length)
return false;
for(int i=0;i<points.length;i++)
if(!points[i].equals(p.points[i]))
return false;
return true;
}
return false;
}
/**
* This must be overidden to allow the object to be cloned
*/
public Object clone()
{
PGpoint ary[] = new PGpoint[points.length];
for(int i=0;i<points.length;i++)
ary[i] = (PGpoint)points[i].clone();
return new PGpolygon(ary);
}
/**
* @return the PGpolygon in the syntax expected by postgresql
*/
public String getValue()
{
StringBuffer b = new StringBuffer();
b.append("(");
for(int p=0;p<points.length;p++) {
if(p>0) b.append(",");
b.append(points[p].toString());
}
b.append(")");
return b.toString();
}
}
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