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A revolutionary ORM framework for both java and kotlin

There is a newer version: 0.8.177

package org.babyfish.jimmer.client.source;

import org.babyfish.jimmer.client.generator.Render;

import java.util.*;
import java.util.function.Supplier;

abstract class AbstractSource implements Source {

    private final Render render;

    private Map subSourceMap;

    AbstractSource(Render render) {
        this.render = Objects.requireNonNull(render, "render cannot be null");
    }

    @Override
    public Source subSource(String name, Supplier renderCreator) {
        Map subSourceMap = this.subSourceMap;
        if (subSourceMap == null) {
            this.subSourceMap = subSourceMap = new TreeMap<>();
        }
        Source subSource = subSourceMap.get(name);
        if (subSource == null) {
            subSource = new SubSource(name, renderCreator.get());
            subSourceMap.put(name, subSource);
        }
        return subSource;
    }

    @Override
    public Collection getSubSources() {
        if (subSourceMap == null) {
            return Collections.emptyList();
        }
        return Collections.unmodifiableCollection(subSourceMap.values());
    }

    @Override
    public Render getRender() {
        return render;
    }

    @Override
    public int hashCode() {
        return getDirs().hashCode() ^ getName().hashCode();
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (!(obj instanceof AbstractSource)) {
            return false;
        }
        AbstractSource other = (AbstractSource) obj;
        return this.getDirs().equals(other.getDirs()) &&
                this.getName().equals(other.getName());
    }

    @Override
    public String toString() {
        return toString(getDirs(), getName());
    }

    static String toString(List dirs, String name) {
        if (dirs == null || dirs.isEmpty()) {
            return name;
        }
        return String.join("/", dirs) + '/' + name;
    }

    private class SubSource extends AbstractSource {

        private final String name;

        private final Source root;

        private SubSource(String name, Render render) {
            super(render);
            this.name = name;
            this.root = AbstractSource.this.getRoot();
        }

        @Override
        public List getDirs() {
            return AbstractSource.this.getDirs();
        }

        @Override
        public String getName() {
            return name;
        }

        @Override
        public Source getParent() {
            return AbstractSource.this;
        }

        @Override
        public Source getRoot() {
            return root;
        }
    }
}