package org.kuali.common.devops.metadata.model;
   
   import javax.validation.constraints.Min;
   
   import org.kuali.common.core.build.ValidatingBuilder;
   import org.kuali.common.core.validate.annotation.IdiotProofImmutable;
   
   @IdiotProofImmutable
   public final class Memory {
  	// used=0.62g, free=1.16g, allocated=0.94g, max=1.78g
  
  	@Min(0)
  	private final long used;
  
  	@Min(0)
  	private final long free;
  
  	@Min(0)
  	private final long allocated;
  
  	@Min(0)
  	private final long max;
  
  	private Memory(Builder builder) {
  		this.used = builder.used;
  		this.free = builder.free;
  		this.allocated = builder.allocated;
  		this.max = builder.max;
  	}
  
  	public static Builder builder() {
  		return new Builder();
  	}
  
  	public static class Builder extends ValidatingBuilder<Memory> {
  
  		private long used;
  		private long free;
  		private long allocated;
  		private long max;
  
  		public Builder used(long used) {
  			this.used = used;
  			return this;
  		}
  
  		public Builder free(long free) {
  			this.free = free;
  			return this;
  		}
  
  		public Builder allocated(long allocated) {
  			this.allocated = allocated;
  			return this;
  		}
  
  		public Builder max(long max) {
  			this.max = max;
  			return this;
  		}
  
  		@Override
  		public Memory build() {
  			return validate(new Memory(this));
  		}
  
  	}
  
  	public long getUsed() {
  		return used;
  	}
  
  	public long getFree() {
  		return free;
  	}
  
  	public long getAllocated() {
  		return allocated;
  	}
  
  	public long getMax() {
  		return max;
  	}
  
  }