com.blazebit.persistence.parser.expression.MacroConfiguration Maven / Gradle / Ivy
/*
* Copyright 2014 - 2020 Blazebit.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.blazebit.persistence.parser.expression;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
/**
* @author Christian Beikov
* @since 1.2.0
*/
public final class MacroConfiguration {
final Map macros;
final int hash;
private MacroConfiguration(Map macros) {
this.macros = Collections.unmodifiableMap(macros);
this.hash = macros == null ? 0 : macros.hashCode();
}
public static MacroConfiguration of(Map macros) {
Map map = new HashMap<>(macros.size());
for (Map.Entry entry : macros.entrySet()) {
map.put(entry.getKey().toUpperCase(), entry.getValue());
}
return new MacroConfiguration(map);
}
public MacroFunction get(String name) {
return macros.get(name);
}
public MacroConfiguration with(Map newMacros) {
Map map = new HashMap<>(this.macros.size() + newMacros.size());
map.putAll(this.macros);
for (Map.Entry entry : newMacros.entrySet()) {
if (entry.getValue() == null) {
map.remove(entry.getKey().toUpperCase());
} else {
map.put(entry.getKey().toUpperCase(), entry.getValue());
}
}
return new MacroConfiguration(map);
}
public Map getMacros() {
return macros;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (!(o instanceof MacroConfiguration)) {
return false;
}
MacroConfiguration that = (MacroConfiguration) o;
return hash == that.hash && macros.equals(that.macros);
}
@Override
public int hashCode() {
return hash;
}
}