Page History

// Package that store all schemas.
package org.apache.ignite.internal.messages.schema;

// package private class.
@Since(version = "2.19.0")
class MyMessage {
    private int id;
    
 	/** Remove field. */
    @Until(version = "2.20.0")
    private String rmFld;

    /** New field. */
    @Since(version = "2.20.0")
    private String newFld;
}

// Generated code from the schema ^.  for Ignite version 2.20.0.
package org.apache.ignite.internal.messages;

// public class.
public class MyMessage {
    private int id;
    
	/**
     * Remove field. 
     * @deprecated since 2.20.0. 
     */
    @Deprecated
    private String rmFld;

    /** 
     * New field.
     * @since 2.20.0
     */
    private String newFld;

    @Override public boolean writeTo(ByteBuffer buf, MessageWriter writer,) {
        IgniteProductVersion destVer) { = writer.version();

        if (destVer.lessThan(2, 19, 0))
            throw new IgniteException("Must not send the message to destination node");

        if (!writer.writeString(id))
            return false;

        if (destVer.lessThan(2, 20, 0)) {
            if (!writer.writeString(rmFld))
                return false;
        }

        if (destVer.greaterThanEqual(2, 20, 0)) {
            if (!writer.writeString(newFld))
                return false;
        }

        return true;
    }

    @Override public boolean readFrom(ByteBuffer buf, MessageReader reader,) {
        IgniteProductVersion srcVer) { = reader.version();

        id = reader.readString();

		if (srcVer.lessThan(2, 20, 0))
			rmFld = reader.readString();
		else 
			rmFld = null;

        if (srcVer.greaterThanEqual(2, 20, 0))
            newFld = reader.readString();
        else
            newFld = null;

        return true;
    }
}