FileDocCategorySizeDatePackage
MethodType.javaAPI DocJava SE 5 API4418Fri Aug 26 14:55:38 BST 2005com.sun.org.apache.xalan.internal.xsltc.compiler.util

MethodType

public final class MethodType extends Type
author
Jacek Ambroziak
author
Santiago Pericas-Geertsen

Fields Summary
private final Type
_resultType
private final Vector
_argsType
Constructors Summary
public MethodType(Type resultType)

	_argsType = null;
	_resultType = resultType;
    
public MethodType(Type resultType, Type arg1)

	if (arg1 != Type.Void) {
	    _argsType = new Vector();
	    _argsType.addElement(arg1);
	}
	else {
	    _argsType = null;
	}
	_resultType = resultType;
    
public MethodType(Type resultType, Type arg1, Type arg2)

	_argsType = new Vector(2);
	_argsType.addElement(arg1);
	_argsType.addElement(arg2);
	_resultType = resultType;
    
public MethodType(Type resultType, Type arg1, Type arg2, Type arg3)

	_argsType = new Vector(3);
	_argsType.addElement(arg1);
	_argsType.addElement(arg2);
	_argsType.addElement(arg3);
	_resultType = resultType;
    
public MethodType(Type resultType, Vector argsType)

	_resultType = resultType;
	_argsType = argsType.size() > 0 ? argsType : null;
    
Methods Summary
public intargsCount()

	return _argsType == null ? 0 : _argsType.size();
    
public java.util.VectorargsType()

	return _argsType;
    
public intdistanceTo(com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type other)

	int result = Integer.MAX_VALUE;
	if (other instanceof MethodType) {
	    final MethodType mtype = (MethodType) other;
	    if (_argsType != null) {
		final int len = _argsType.size();
		if (len == mtype._argsType.size()) {
		    result = 0;
		    for (int i = 0; i < len; i++) {
			Type arg1 = (Type) _argsType.elementAt(i);
			Type arg2 = (Type) mtype._argsType.elementAt(i);
			final int temp = arg1.distanceTo(arg2);
			if (temp == Integer.MAX_VALUE) {
			    result = temp;  // return MAX_VALUE
			    break;
			}
			else {
			    result += arg1.distanceTo(arg2);
			}
		    }
		}
	    }
	    else if (mtype._argsType == null) {
		result = 0;   // both methods have no args
	    }
	}
	return result;
    
public booleanidenticalTo(com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type other)

	boolean result = false;
	if (other instanceof MethodType) {
	    final MethodType temp = (MethodType) other;
	    if (_resultType.identicalTo(temp._resultType)) {
		final int len = argsCount();
		result = len == temp.argsCount();
		for (int i = 0; i < len && result; i++) {
		    final Type arg1 = (Type)_argsType.elementAt(i);
		    final Type arg2 = (Type)temp._argsType.elementAt(i);
		    result = arg1.identicalTo(arg2);
		}
	    }
	}
	return result;	
    
public com.sun.org.apache.xalan.internal.xsltc.compiler.util.TyperesultType()

	return _resultType;
    
public com.sun.org.apache.bcel.internal.generic.TypetoJCType()

	return null;	// should never be called
    
public java.lang.StringtoSignature()

	return toSignature("");
    
public java.lang.StringtoSignature(java.lang.String lastArgSig)
Returns the signature of this method that results by adding lastArgSig to the end of the argument list.

	final StringBuffer buffer = new StringBuffer();
	buffer.append('(");
	if (_argsType != null) {
	    final int n = _argsType.size();
	    for (int i = 0; i < n; i++) {
		buffer.append(((Type)_argsType.elementAt(i)).toSignature());
	    }
	}
	return buffer
	    .append(lastArgSig)
	    .append(')")
	    .append(_resultType.toSignature())
	    .toString();
    
public java.lang.StringtoString()

	StringBuffer result = new StringBuffer("method{");
	if (_argsType != null) {
	    final int count = _argsType.size();
	    for (int i=0; i<count; i++) {
		result.append(_argsType.elementAt(i));
		if (i != (count-1)) result.append(',");
	    }
	}
	else {
	    result.append("void");
	}
	result.append('}");
	return result.toString();