EhCacheConfiguration.java

package org.dayatang.cache.ehcache;

/**
 * Created by yyang on 14-9-19.
 */
public class EhCacheConfiguration {
    private String name;
    private int maxElementsInMemory;
    private boolean overflowToDisk;
    private boolean eternal;
    private long timeToLiveSeconds;
    private long timeToIdleSeconds;

    private EhCacheConfiguration() {

    }

    public String name() {
        return name;
    }

    public int maxElementsInMemory() {
        return maxElementsInMemory;
    }

    public boolean overflowToDisk() {
        return overflowToDisk;
    }

    public boolean eternal() {
        return eternal;
    }

    public long timeToLiveSeconds() {
        return timeToLiveSeconds;
    }

    public long timeToIdleSeconds() {
        return timeToIdleSeconds;
    }

    public static Builder builder() {
        return new Builder();
    }

    public static class Builder {

        private EhCacheConfiguration configuration;

        public Builder() {
            configuration = new EhCacheConfiguration();
        }

        public Builder name(String name) {
            configuration.name = name;
            return this;
        }

        public Builder maxElementsInMemory(int maxElementsInMemory) {
            configuration.maxElementsInMemory = maxElementsInMemory;
            return this;
        }

        public Builder overflowToDisk(boolean overflowToDisk) {
            configuration.overflowToDisk = overflowToDisk;
            return this;
        }

        public Builder eternal(boolean eternal) {
            configuration.eternal = eternal;
            return this;
        }

        public Builder timeToLiveSeconds(long timeToLiveSeconds) {
            configuration.timeToLiveSeconds = timeToLiveSeconds;
            return this;
        }

        public Builder timeToIdleSeconds(long timeToIdleSeconds) {
            configuration.timeToIdleSeconds = timeToIdleSeconds;
            return this;
        }

        public EhCacheConfiguration build() {
            if (configuration.name == null || configuration.name.isEmpty()) {
                throw new IllegalStateException("Cache name is empty!");
            }
            return configuration;
        }
    }
}