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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.config.codegen;
/**
* @author gjoranv
*/
public abstract class LeafCNode extends CNode {
private boolean isInitialized = false;
private DefaultValue defaultValue = null;
private boolean restart = false;
/** Constructor for the leaf nodes */
protected LeafCNode(InnerCNode parent, String name) {
super(parent, name);
}
public static LeafCNode newInstance(DefLine.Type type, InnerCNode parent, String name) {
try {
return switch (type.name) {
case "int" -> new IntegerLeaf(parent, name);
case "long" -> new LongLeaf(parent, name);
case "double" -> new DoubleLeaf(parent, name);
case "bool" -> new BooleanLeaf(parent, name);
case "string" -> new StringLeaf(parent, name);
case "reference" -> new ReferenceLeaf(parent, name);
case "file" -> new FileLeaf(parent, name);
case "path" -> new PathLeaf(parent, name);
case "optionalPath" -> new OptionalPathLeaf(parent, name);
case "enum" -> new EnumLeaf(parent, name, type.enumArray);
case "url" -> new UrlLeaf(parent, name);
case "model" -> new ModelLeaf(parent, name);
default -> null;
};
} catch (NumberFormatException e) {
return null;
}
}
public static LeafCNode newInstance(DefLine.Type type, InnerCNode parent, String name, String defVal) {
LeafCNode ret = newInstance(type, parent, name);
if (defVal!=null) {
DefaultValue def = new DefaultValue(defVal, type);
ret.setDefaultValue(def);
}
return ret;
}
public abstract String getType();
@Override
public CNode[] getChildren() {
return new CNode[0];
}
@Override
public CNode getChild(String name) {
return null;
}
public DefaultValue getDefaultValue() {
return defaultValue;
}
public LeafCNode setDefaultValue(DefaultValue defaultValue) {
this.defaultValue = defaultValue;
return this;
}
/**
* @param defaultValue the value to check.
* @throws IllegalArgumentException if the value is illegal according to the node type.
*/
public void checkDefaultValue(DefaultValue defaultValue) throws IllegalArgumentException {
}
@Override
protected void setLeaf(String name, DefLine defLine, String comment) throws IllegalArgumentException {
DefLine.Type type = defLine.getType();
// TODO: why the !is... conditions?
if (!isMap && !isArray && isInitialized) {
throw new IllegalArgumentException(name + " is already defined");
}
isInitialized = true;
checkMyName(name);
if (!type.name.equalsIgnoreCase(getType())) {
throw new IllegalArgumentException("Type " + type.name + " does not match " + getType());
}
setValue(defLine.getDefault());
setComment(comment);
restart |= defLine.getRestart();
}
@Override
public boolean needRestart() {
return restart;
}
public final void setValue(DefaultValue defaultValue) throws IllegalArgumentException {
try {
checkDefaultValue(defaultValue);
setDefaultValue(defaultValue);
} catch (IllegalArgumentException e) {
throw new IllegalArgumentException("Invalid default value", e);
}
}
/**
* Superclass for leaf nodes that should not generate class.
*/
public static abstract class NoClassLeafCNode extends LeafCNode {
protected NoClassLeafCNode(InnerCNode parent, String name) {
super(parent, name);
}
}
/**
* Superclass for no-class leaf nodes that cannot have a default.
*/
public static abstract class NoClassNoDefaultLeafCNode extends LeafCNode {
protected NoClassNoDefaultLeafCNode(InnerCNode parent, String name) {
super(parent, name);
}
@Override
public LeafCNode setDefaultValue(DefaultValue defaultValue) {
if (defaultValue != null)
throw new IllegalArgumentException("Parameters of type '" + getType() + "' cannot have a default value.");
return this;
}
}
public static class IntegerLeaf extends NoClassLeafCNode {
protected IntegerLeaf(InnerCNode parent, String name) {
super(parent, name);
}
@Override
public String getType() {
return "int";
}
}
public static class LongLeaf extends NoClassLeafCNode {
protected LongLeaf(InnerCNode parent, String name) {
super(parent, name);
}
@Override
public String getType() {
return "long";
}
}
public static class DoubleLeaf extends NoClassLeafCNode {
protected DoubleLeaf(InnerCNode parent, String name) {
super(parent, name);
}
@Override
public String getType() {
return "double";
}
}
public static class BooleanLeaf extends NoClassLeafCNode {
protected BooleanLeaf(InnerCNode parent, String name) {
super(parent, name);
}
@Override
public String getType() {
return "bool";
}
}
public static class StringLeaf extends NoClassLeafCNode {
protected StringLeaf(InnerCNode parent, String name) {
super(parent, name);
}
@Override
public String getType() {
return "string";
}
}
public static class ReferenceLeaf extends StringLeaf {
ReferenceLeaf(InnerCNode parent, String name) {
super(parent, name);
}
@Override
public String getType() {
return "reference";
}
}
public static class FileLeaf extends NoClassNoDefaultLeafCNode {
FileLeaf(InnerCNode parent, String name) {
super(parent, name);
}
@Override
public String getType() {
return "file";
}
}
public static class PathLeaf extends NoClassNoDefaultLeafCNode {
PathLeaf(InnerCNode parent, String name) {
super(parent, name);
}
@Override
public String getType() {
return "path";
}
}
public static class OptionalPathLeaf extends NoClassLeafCNode {
OptionalPathLeaf(InnerCNode parent, String name) {
super(parent, name);
}
@Override
public String getType() {
return "optionalPath";
}
}
public static class UrlLeaf extends NoClassLeafCNode {
UrlLeaf(InnerCNode parent, String name) {
super(parent, name);
}
@Override
public String getType() {
return "url";
}
}
public static class ModelLeaf extends NoClassLeafCNode {
ModelLeaf(InnerCNode parent, String name) {
super(parent, name);
}
@Override
public String getType() {
return "model";
}
}
public static class EnumLeaf extends LeafCNode {
private final String[] legalValues;
protected EnumLeaf(InnerCNode parent, String name, String[] valArray) {
super(parent, name);
this.legalValues = valArray;
}
@Override
public String getType() {
return "enum";
}
/** Returns this enum's legal values. */
public String[] getLegalValues() {
return legalValues;
}
@Override
public void checkDefaultValue(DefaultValue defaultValue) throws IllegalArgumentException {
if ((defaultValue != null) && (defaultValue.getValue() != null)) {
String defaultString = null;
String value = defaultValue.getValue();
for (String val : legalValues) {
if (value.equals(val)) {
defaultString = val;
}
}
if (defaultString == null)
throw new IllegalArgumentException("Could not initialize enum with: " + value);
}
}
}
}
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