Lambda.java

package lucee.runtime.type;

import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;

import lucee.runtime.Component;
import lucee.runtime.PageContext;
import lucee.runtime.dump.DumpData;
import lucee.runtime.dump.DumpProperties;
import lucee.runtime.exp.PageException;
import lucee.runtime.type.scope.Variables;
import lucee.runtime.type.util.ComponentUtil;
import lucee.runtime.type.util.KeyConstants;
import lucee.runtime.type.util.UDFUtil;

public class Lambda extends EnvUDF {
	
	public Lambda(){// used for externalize
		super();
	}

	public Lambda(UDFProperties properties) {
		super(properties);
	}
	
	private Lambda(UDFProperties properties, Variables variables) { // used for duplicate
		super(properties,variables);
	}
	
	@Override
	public DumpData _toDumpData(PageContext pageContext, int maxlevel,DumpProperties dp) {
		return UDFUtil.toDumpData(pageContext, maxlevel, dp,this,UDFUtil.TYPE_LAMBDA);
	}
	
	@Override
	public Struct _getMetaData(PageContext pc) throws PageException {
		Struct meta = ComponentUtil.getMetaData(pc, properties);
		meta.setEL(KeyConstants._closure, Boolean.TRUE);// MUST move this to class UDFProperties
		meta.setEL("ANONYMOUSLAMBDA", Boolean.TRUE);// MUST move this to class UDFProperties
		return meta;
	}
	
	@Override
	public UDF _duplicate(Component c) {
		Lambda lam = new Lambda(properties,variables);// TODO duplicate variables as well?
		lam.ownerComponent=c;
		lam.setAccess(getAccess());
		return lam;
	}
	

	@Override
	public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
		// access
		setAccess(in.readInt());
		
		// properties
		properties=(UDFPropertiesBase) in.readObject();
	}

	@Override
	public void writeExternal(ObjectOutput out) throws IOException {
		// access
		out.writeInt(getAccess());
		
		// properties
		out.writeObject(properties);
	}
}