com.jaregu.database.queries.cache.QueriesMapCache Maven / Gradle / Ivy

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Java based SQL templating project. Store your queries in *.sql files and build queries for execution. Supports simple expressions and conditional clauses and interface proxying for java-sql bridge.

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package com.jaregu.database.queries.cache;

import java.util.concurrent.ConcurrentHashMap;
import java.util.function.Supplier;

import com.jaregu.database.queries.QueryId;
import com.jaregu.database.queries.SourceId;
import com.jaregu.database.queries.compiling.PreparedQuery;
import com.jaregu.database.queries.parsing.ParsedQueries;

public class QueriesMapCache implements QueriesCache {

	private ConcurrentHashMap sources = new ConcurrentHashMap<>();
	private ConcurrentHashMap queries = new ConcurrentHashMap<>();

	public QueriesMapCache() {
	}

	@Override
	public ParsedQueries getParsedQueries(SourceId sourceId, Supplier queriesSupplier) {
		return sources.computeIfAbsent(sourceId, (k) -> queriesSupplier.get());
	}

	@Override
	public PreparedQuery getPreparedQuery(QueryId queryId, Supplier querySupplier) {
		return queries.computeIfAbsent(queryId, (k) -> querySupplier.get());
	}
}