com.spikeify.aerospikeql.ConditionProcessor Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of aerospike-ql Show documentation

SQL wrapper for Aerospike database

There is a newer version: 0.1.2.1

package com.spikeify.aerospikeql;

import com.spikeify.aerospikeql.generate.functions.Filter;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;

class ConditionProcessor {

	public String process(String condition) {
		Map replaceQuotesMapping = new HashMap<>();
		return condition == null ? "true" : new Builder(condition)
						.preProcessStatementQuotes(replaceQuotesMapping)
						.parseStatement()
						.postProcessStatementQuotes(replaceQuotesMapping)
						.build();
	}

	public static class Builder {

		private final Filter fc = Filter.factory(null);
		private String condition;

		public Builder(String condition) {
			this.condition = condition;
		}

		Builder preProcessStatementQuotes(Map replaceQuotesMapping) {
			this.condition = fc.preProcessStatementQuotes(replaceQuotesMapping, condition);
			return this;
		}

		Builder parseStatement() {
			this.condition = fc.parseStatement(condition, new HashSet());
			return this;
		}

		Builder postProcessStatementQuotes(Map replaceQuotesMapping) {
			this.condition = fc.postProcessStatementQuotes(replaceQuotesMapping, condition);
			return this;
		}

		String build() {
			return condition != null ? condition : "true";
		}

	}

}